Sierra Wireless Q2686 Q2686 User Manual Manual
Sierra Wireless, Inc. Q2686 Manual
Contents
- 1. Manual
- 2. Installation Guide
Manual
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WISMO Quik Q2686
Product Technical Specification
Reference: WM_PRJ_Q2686_PTS_001
Revision: 006
Date: April 4th 2006
Powered by the Wavecom Operating System and Open AT®
Page : 1 / 87
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April 4th 2006
Document Information
Level
Date
History of the evolution
001
01/17/2005
Creation (Preliminary version)
002
06/01/2005
Pin-out modification (see chapter 3.1)
003
15/09/2005
004
November
22, 2005
005
February
2006
006
March
2006
Update Functional architecture
Pin-out modification (see chapter 4.1)
Add RESET state of all IO of all interface
Update power supply range (see chapter 3.2)
Update electrical information for digital IO (see chapter
3.2)
Update SPI bus configuration (see chapter 3.4)
Remove 3 GPIO (see chapter 3.9)
Change MIC1 biasing voltage configuration (see chapter
3.11)
Change SPK1 definition to only single ended (see chapter
3.11)
Update ON/ÕFF operating sequence (see chapter 3.14)
Update BOOT definition (see chapter 3.15)
Update ~RESET operating sequence and electrical
characteristics(see chapter 3.14)
Update Interrupts activation (see chapter 3.17)
Update RTC electrical characteristics (see chapter 3.19)
Update PCM description and add waveform (see chapter
3.21)
Update Q2686 version “Overview” section
Update “Cautions”, “Trademarks” and “Copyright”
Update “Electrical information for digital I/O” (see chapter
3.3)
Update SPI max frequency (see chapter 3.4)
Update available GPIO (see chapter 3.9)
Add “OFF state“ voltage caution (see chapter 3.2)
Update “Battery charging interface” (see chapter 3.13)
Update “Analogue audio interface” (see chapter 3.11)
Update ”Environmental Specifications” (see chapter 4.2)
Update “General Purpose Connector pin out description”
(see chapter 4.1)
Update “PCM interface” waveform (see chapter 3.21)
Update “Electrical information for digital IO” absolute
maximum rating (see chapter 3.3)
Update “General purpose connector” (see chapter 3.1)
Update “SPI bus” speed (see chapter 3.4.1)
Update “I²C bus” (see chapter 3.4.2)
Update “Main serial link UART 1” maximum speed (see
chapter 3.6)
Update “Auxiliary serial link UART 2” maximum speed
(see chapter 3.7)
Update “SIM” General description (see chapter 3.8.1)
Update “USB 2.0 interface” features (see chapter 3.22)
Update “Operating system upgrade” (see chapter 6.3)
Update “General purpose input / output” signals
description (see chapter 3.9)
Update “General purpose connector pin out description”
signal description(see chapter 4.1)
Update “Battery charging interface” (see chapter 3.13)
Update “Analog to µDigital Converter” (see chapter 3.10)
Update “FLASH-LED signal” (see chapter 3.20)
Update ‘Analogue Audio interface” (see chapter 3.11)
Update “Power consumption” (see chapter 3.3.2)
Update “ON/~OFF signal” (see chapter 3.14)
Update “BAT-RTC” (see chapter 3.19)
Page : 2 / 87
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WM_PRJ_Q2686_PTS_001
April 4th 2006
Update “Electrical information for digital IO” absolute
maximum rating (see chapter 3.3)
Update “Buzzer output” remove PWM features ( see
chapter 3.12 )
Update
“EMC
recommendation”
add
ESD
recommendations (see chapter 6.1.1 )
Update “SPI bus” add waveforms ( see chapter 3.4.1 )
Update “I²C bus” add waveforms ( see chapter 3.4.2 )
Update “Analog to Digital Converter“ sampling rate ( see
chapter 3.10)
Page : 3 / 87
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without prior written agreement.
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April 4th 2006
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des tiers sans son autorisation préalable.
WM_PRJ_Q2686_PTS_001
April 4th 2006
Overview
This document defines and specifies the WISMO QUIK Q2686, available under
two GSM/GPRS Class 10 quad-band versions:
Q2686: EGSM/GPRS 900/1800/850/1900 MHz version with 32 Mb of
Bursted Flash memory and 8 Mb of SRAM (32/8)
Page : 5 / 87
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without prior written agreement.
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April 4th 2006
Contents
Document Information ....................................................................... 2
Overview ............................................................................................ 5
Contents ............................................................................................ 6
Table of figures ................................................................................ 10
Cautions .......................................................................................... 11
Trademarks ...................................................................................... 11
Copyright ......................................................................................... 11
References................................................................................. 12
1.1
References documents ..........................................................................12
1.1.1
WAVECOM reference document ....................................................12
1.1.2
General reference document ..........................................................12
1.2
List of abbreviations ..............................................................................13
General description.................................................................... 16
2.1
General information ...............................................................................16
2.1.1
Overall dimensions ........................................................................16
2.1.2
Environment and mechanics..........................................................16
2.1.3
GSM/GPRS Features ......................................................................16
2.1.4
Interfaces.......................................................................................16
2.1.5
Operating system ..........................................................................17
2.1.6
Connection interfaces ....................................................................17
2.2
Functional description ...........................................................................18
2.2.1
RF functionalities ...........................................................................19
2.2.2
Baseband functionalities................................................................19
2.3
3.1
Operating System..................................................................................19
Interfaces .................................................................................. 20
General Purpose Connector (GPC) .........................................................20
3.2
Power supply ........................................................................................21
3.2.1
Power supply description ..............................................................21
3.2.2
Power consumption ......................................................................22
3.2.2.1
Power consumption without Open AT® processing..................23
Page : 6 / 87
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without prior written agreement.
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WM_PRJ_Q2686_PTS_001
April 4th 2006
3.2.2.2
Power consumption with Open AT® software ..........................24
3.2.2.3
Consumption waveforms samples...........................................25
3.2.2.3.1 Connected mode current waveform .......................................25
3.2.2.3.2 Slow Idle mode current waveform .........................................26
3.2.2.3.3 Fast Idle mode current waveform ..........................................26
3.2.2.3.4 Transfer mode Class 10 current waveform ............................27
3.2.2.4
Power supply pinout................................................................27
3.3
Electrical information for digital I/O........................................................28
3.4
Serial interface.......................................................................................30
3.4.1
SPI bus..........................................................................................30
3.4.1.1
SPI waveforms ........................................................................30
3.4.1.2
SPI configuration .....................................................................31
3.4.1.3
SPI1 bus ..................................................................................31
3.4.1.4
SPI2 bus ..................................................................................32
3.4.2
I2C bus..........................................................................................33
3.4.2.1
I²C waveforms .........................................................................33
3.4.2.2
I²C bus pin out.........................................................................34
3.5
Keyboard interface.................................................................................35
3.6
Main serial link (UART1) ........................................................................36
3.7
Auxiliary serial link (UART2) ..................................................................38
3.8
SIM interface.........................................................................................39
3.8.1
General Description .......................................................................39
3.9
General Purpose Input/Output ...............................................................41
3.10
Analog to Digital Converter....................................................................43
3.11 Analogue audio interface.......................................................................44
3.11.1 Microphone inputs ........................................................................44
3.11.1.1 Common microphone inputs characteristics ............................44
3.11.1.2 Main Microphone Inputs (MIC2) ..............................................44
3.11.1.3 Auxiliary Microphone Inputs (MIC1) ........................................45
3.11.1.4 Micro Electrical characteristics.................................................45
3.11.2 Common speaker outputs characteristics ......................................46
3.11.2.1 Differential Connection.............................................................46
3.11.2.2 Single-ended Connection .........................................................46
3.11.3 Speaker outputs ............................................................................46
3.11.3.1 Speaker 2 Outputs ...................................................................46
3.11.3.2 Speaker 1 Outputs ...................................................................47
3.11.3.3 Speakers Outputs Power .........................................................47
3.12
Buzzer Output .......................................................................................48
3.13 Battery charging interface .....................................................................49
3.13.1 Ni-Cd / Ni-Mh Charging algorithm .................................................49
3.13.2 Li-Ion Charging algorithm ..............................................................50
3.13.3 Pré-Charging hardware controlled .................................................51
3.13.4 Temperature monitoring ................................................................51
3.14 ON / ~OFF signal ...................................................................................52
3.14.1 Operating sequences .....................................................................52
3.14.1.1 Power ON ................................................................................52
3.14.1.2 Power OFF...............................................................................53
3.15
BOOT signal ..........................................................................................54
Page : 7 / 87
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without prior written agreement.
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April 4th 2006
3.16
Reset signal (~RESET) ...........................................................................55
3.17
External Interrupt ..................................................................................57
3.18
VCC_2V8 and VCC_1V8 output ..............................................................58
3.19 BAT-RTC (Backup Battery) ....................................................................59
3.19.1 Interface description ......................................................................59
3.20
FLASH-LED signal .................................................................................60
3.21 Digital audio interface (PCM) .................................................................62
3.21.1 Description ....................................................................................62
3.22
USB 2.0 interface ..................................................................................65
3.23 RF interface 66
3.23.1 RF connections..............................................................................66
3.23.2 RF performances ...........................................................................66
3.23.3 Antenna specifications ..................................................................67
Technical specifications ............................................................ 68
4.1
General Purpose Connector pin out description .....................................68
4.2
Environmental Specifications.................................................................71
4.3
Mechanical specifications......................................................................73
4.3.1
Physical characteristics .................................................................73
4.3.2
Mechanical drawings ....................................................................73
Connectors and peripheral devices references ........................... 75
5.1
General Purpose Connector ...................................................................75
5.2
SIM Card Reader ...................................................................................75
5.3
Microphone...........................................................................................75
5.4
Speaker .................................................................................................76
5.5
Antenna Cable.......................................................................................76
5.6
RF Board to board connector.................................................................76
5.7
GSM antenna ........................................................................................76
Design Guidelines ...................................................................... 77
6.1
HARDWARE and RF ..............................................................................77
6.1.1
EMC recommendations .................................................................77
6.1.2
Power Supply ................................................................................77
6.1.3
Layout requirement .......................................................................78
6.1.4
Antenna.........................................................................................80
6.2
Mechanical integration ..........................................................................80
6.3
Operating System upgrade....................................................................80
7.1
Appendix ................................................................................... 81
Standards and Recommendations.........................................................81
Page : 8 / 87
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without prior written agreement.
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des tiers sans son autorisation préalable.
WM_PRJ_Q2686_PTS_001
April 4th 2006
7.2
Safety recommendations (for information only) .....................................85
7.2.1
RF safety .......................................................................................85
7.2.1.1
General ....................................................................................85
7.2.1.2
Exposure to RF energy.............................................................85
7.2.1.3
Efficient terminal operation ......................................................85
7.2.1.4
Antenna care and replacement ................................................86
7.2.2
General safety................................................................................86
7.2.2.1
Driving.....................................................................................86
7.2.2.2
Electronic devices ....................................................................86
7.2.2.3
Vehicle electronic equipment ...................................................86
7.2.2.4
Medical electronic equipment ..................................................86
7.2.2.5
Aircraft ....................................................................................87
7.2.2.6
Children ...................................................................................87
7.2.2.7
Blasting areas..........................................................................87
7.2.2.8
Potentially explosive atmospheres ...........................................87
Page : 9 / 87
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without prior written agreement.
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WM_PRJ_Q2686_PTS_001
April 4th 2006
Table of figures
Figure 1 : Functional architecture ................................................................... 18
Figure 2 : Power supply during burst emission .............................................. 21
Figure 3 : SPI Timing diagrams, Mode 0, Master, 4 wires .............................. 31
Figure 4 : I²C Timing diagrams, Master .......................................................... 33
Figure 5 : Ni-Cd / Ni-Mh charging waveform .................................................. 49
Figure 6 : Li-Ion full charging waveform ......................................................... 50
Figure 7 : Power-ON sequence (no PIN code activated) .................................. 52
Figure 8 : Power-OFF sequence...................................................................... 53
Figure 9 : Reset sequence waveform.............................................................. 55
Figure 10 : Real Time Clock power supply...................................................... 59
Figure 11 : FLASH-LED state during RESET and Initialization time ................. 61
Figure 12 : PCM Frame waveform.................................................................. 63
Figure 13 : PCM Sampling waveform............................................................. 63
Figure 14 : Environmental classes .................................................................. 72
Figure 15 : Mechanical drawing ..................................................................... 74
Figure 16 : Layout requirement ...................................................................... 79
Page : 10 / 87
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WM_PRJ_Q2686_PTS_001
April 4th 2006
Cautions
This platform contains a modular transmitter. This device is used for wireless
applications. Note that all electronics parts and elements are ESD sensitive.
Information provided herein by WAVECOM is accurate and reliable. However
no responsibility is assumed for its use and any of such WAVECOM
information is herein provided “as is” without any warranty of any kind,
whether express or implied.
General information about WAVECOM and its range of products is available at
the following internet address: http://www.wavecom.com
Trademarks
®, WAVECOM®, WISMO®, Open AT® and certain other trademarks and logos
appearing on this document, are filed or registered trademarks of Wavecom
S.A. in France or in other countries. All other company and/or product names
mentioned may be filed or registered trademarks of their respective owners.
Copyright
This manual is copyrighted by WAVECOM with all rights reserved. No part of
this manual may be reproduced in any form without the prior written
permission of WAVECOM. No patent liability is assumed with respect to the
use of their respective owners.
Page : 11 / 87
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WM_PRJ_Q2686_PTS_001
April 4th 2006
1 References
1.1 References documents
For more details, several references documents can be consulted. The
WAVECOM reference documents are provided in the WAVECOM documents
package contrary at the general reference documents which are not
WAVECOM owner.
1.1.1 WAVECOM reference document
[1]
Automotive Environmental Control Plan for WISMO Quik Q2686
WM_PRJ_Q2686_DCP_001
[2]
WISMO Quik Q2686 Customer Design Guidelines
WM_PRJ_Q2686_PTS_003
[3]
WISMO Quik Q2686 Process Customer Guidelines
WM_PRJ_Q2686_PTS_004
[4]
AT Commands Interface Guide for OS 6.60
WM_DEV_OAT_UGD_003
1.1.2 General reference document
[5]
“I²C Bus Specification”, Version 2.0, Philips Semiconductor 1998
[6]
ISO 7816-3 Standard
Page : 12 / 87
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April 4th 2006
1.2 List of abbreviations
Abbreviation Definition
AC
Alternative Current
ADC
Analog to Digital Converter
A/D
Analog to Digital conversion
AF
Audio-Frequency
AT
ATtention (prefix for modem commands)
AUX
AUXiliary
CAN
Controller Area Network
CB
Cell Broadcast
CEP
Circular Error Probable
CLK
CLocK
CMOS
Complementary Metal Oxide Semiconductor
CS
Coding Scheme
CTS
Clear To Send
DAC
Digital to Analogue Converter
dB
Decibel
DC
Direct Current
DCD
Data Carrier Detect
DCE
Data Communication Equipment
DCS
Digital Cellular System
DR
Dynamic Range
DSR
Data Set Ready
DTE
Data Terminal Equipment
DTR
Data Terminal Ready
EFR
Enhanced Full Rate
E-GSM
Extended GSM
EMC
ElectroMagnetic Compatibility
EMI
ElectroMagnetic Interference
EMS
Enhanced Message Service
EN
ENable
ESD
ElectroStatic Discharges
FIFO
First In First Out
FR
Full Rate
Page : 13 / 87
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April 4th 2006
Abbreviation Definition
FTA
Full Type Approval
GND
GrouND
GPI
General Purpose Input
GPC
General Purpose Connector
GPIO
General Purpose Input Output
GPO
General Purpose Output
GPRS
General Packet Radio Service
GPS
Global Positioning System
GSM
Global System for Mobile communications
HR
Half Rate
I/O
Input / Output
LED
Light Emitting Diode
LNA
Low Noise Amplifier
MAX
MAXimum
MIC
MICrophone
MIN
MINimum
MMS
Multimedia Message Service
MO
Mobile Originated
MT
Mobile Terminated
na
Not Applicable
NF
Noise Factor
NMEA
National Marine Electronics Association
NOM
NOMinal
NTC
Négative Temperature Coefficient
PA
Power Amplifier
Pa
Pascal (for speaker sound pressure measurements)
PBCCH
Packet Broadcast Control CHannel
PC
Personal Computer
PCB
Printed Circuit Board
PDA
Personal Digital Assistant
PFM
Power Frequency Modulation
PSM
Phase Shift Modulation
PWM
Pulse Width Modulation
RAM
Random Access Memory
RF
Radio Frequency
Page : 14 / 87
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WM_PRJ_Q2686_PTS_001
April 4th 2006
Abbreviation Definition
RFI
Radio Frequency Interference
RHCP
Right Hand Circular Polarization
RI
Ring Indicator
RST
ReSeT
RTC
Real Time Clock
RTCM
Radio Technical Commission for Maritime services
RTS
Request To Send
RX
Receive
SCL
Serial CLock
SDA
Serial DAta
SIM
Subscriber Identification Wireless CPU
SMS
Short Message Service
SPI
Serial Peripheral Interface
SPL
Sound Pressure Level
SPK
SPeaKer
SRAM
Static RAM
TBC
To Be Confirmed
TDMA
Time Division Multiple Access
TP
Test Point
TVS
Transient Voltage Suppressor
TX
Transmit
TYP
TYPical
UART
Universal Asynchronous Receiver-Transmitter
USB
Universal Serial Bus
USSD
Unstructured Supplementary Services Data
VSWR
Voltage Standing Wave Ratio
Page : 15 / 87
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April 4th 2006
2 General description
2.1 General information
WISMO Quik Q2686 is a self-contained E-GSM/GPRS 900/1800 and 850/1900
quad-band Wireless CPU including the following characteristics :
2.1.1 Overall dimensions
Length: 40 mm
Width: 32.2 mm
Thickness: 4 mm
2.1.2 Environment and mechanics
Green policy: RoHS compliant
Complete shielding
The Q2686 Wireless CPU is compliant with RoHS (Restriction of
Hazardous Substances in Electrical and Electronic Equipment) Directive
2002/95/EC which sets limits for the use of certain restricted hazardous
substances. This directive states that “from 1st July 2006, new electrical
and electronic equipment put on the market does not contain lead, mercury,
cadmium, hexavalent chromium, polybrominated biphenyls (PBB) or
polybrominated diphenyl ethers (PBDE)”.
Wireless CPUs which are compliant with this directive
are identified by the RoHs logo on their label.
2.1.3 GSM/GPRS Features
2 Watts EGSM 900/GSM 850 radio section running under 3.6 Volts
1 Watt GSM1800/1900 radio section running under 3.6 Volts
Hardware GPRS class 10 capable
2.1.4 Interfaces
Digital section running under 2.8 Volts and 1.8V.
3V/1V8 SIM interface
Complete interfacing :
o Power supply
o Serial link
o Analogue audio
o PCM digital audio
o SIM card
o Keyboard
Page : 16 / 87
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USB 2.0 slave
Serial LCD (not available with AT commands)
2.1.5 Operating system
Real Time Clock with calendar
Battery charger
Echo Cancellation + noise reduction (quadri codec)
Full GSM or GSM/GPRS Operating System stack
2.1.6 Connection interfaces
WISMO Quik Q2686 has four external connections :
Three for RF circuit:
o UFL connector
o Soldered connection
o IMP connection
One for base band signals:
o 100 pin I/O connector.
Page : 17 / 87
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April 4th 2006
2.2 Functional description
The global architecture of WISMO Quik Q2686 is described below :
CHARGER
SUPPLY INTERFACE
POWER
RF
INTERFACE
AUDIO
AUDIO FILTER
EXT_IT
RF
TRANSCEIVER
USB detection
KEYPAD
SPI1
PCM
SPI2
UART2
I2C
UART1
GPIO
USB
ADC
SIM 1.8V/3V
DAC
RTC
EBI
RF
FRONT END
ANTENNA
COAX
UFL
IMP
MEMORY
FLASH / SRAM
Figure 1 : Functional architecture
Page : 18 / 87
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2.2.1 RF functionalities
The Radio Frequency (RF) range comply with the Phase II EGSM 900/DCS
1800 and GSM 850/PCS 1900 recommendation. The frequencies are :
Transmit band (Tx)
Receive band (Rx)
GSM 850
824 to 849 MHz
869 to 894 MHz
E-GSM 900
880 to 915 MHz
925 to 960 MHz
DCS 1800
1710 to 1785 MHz
1805 to 1880 MHz
PCS 1900
1850 to 1910 MHz
1930 to 1990 MHz
The Radio Frequency (RF) part is based on a specific quad band chip including:
a Digital low-IF receiver
a Quad-band LNAs (Low Noise Amplifier)
an Offset PLL (Phase Locked Loop) transmitter
a Frequency synthesizer
a Digitally controlled crystal oscillator (DCXO)
a Tx/Rx FEM ( Front-End Wireless CPU) for quad-band GSM/GPRS
2.2.2 Baseband functionalities
The digital part of the WISMO Quik Q2686 is composed of a PCF5212 PHILIPS
chip. This chipset is using a 0,18 µm CMOS mixed technology, which allows
massive integration as well as low current consumption.
2.3 Operating System
WISMO Quik Q2686 is designed to integrate various types of specific process
applications such as vertical applications (telemetry, multimedia, automotive…).
The Operating System offers a set of AT commands to control the Wireless
CPU. With this standard Operating System, some interfaces of the Wireless
CPU are not available since they are dependent on the peripheral devices
connected to the Wireless CPU.
The Operating System is Open AT® compliant.
Page : 19 / 87
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3 Interfaces
3.1 General Purpose Connector (GPC)
A 100-pin connector is provided to interface the WISMO Quik Q2686 with a
board containing either a serial LCD Wireless CPU, a keyboard, a SIM
connector, or a battery connection.
The available interfaces on the GPC are described below.
chapter
Name
Driven by
OS 6.60
Not
driven by
OS 6.60
3.4
Sérial Interface
3.5
Keyboard Interface
3.6
Main Sérial Link
3.7
Auxiliary Sérial Link
3.8
SIM Interface
3.9
Général Purpose IO
3.10
Analog to Digital
Converter
3.11
Analog audio Interface
3.12
Buzzer Output
3.13
Battery Charging
Interface
3.17
External Interruption
3.18
VCC_2V8 and
VCC_1V8
3.19
BAT-RTC (Backup
Battery)
3.20
FLASH-LED signal
3.21
Digital Audio Interface
(PCM)
3.22
USB 2.0 Interface
Driven by
Not
Open AT® driven by
V4.00
Open AT®
V4.00
Page : 20 / 87
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3.2 Power supply
3.2.1 Power supply description
The power supply is one of the key issue in the design of a GSM terminal.
Due to the bursted emission in GSM / GPRS, the power supply must be able to
deliver high current peaks in a short time. During the peaks the ripple (Uripp) on
the supply voltage must not exceed a certain limit (see Table 1 Power supply
voltage“ Power Supply Voltage”).
In communication mode, a GSM/GPRS class 2 terminal emits 577µs
radio bursts every 4.615ms. (See Figure 2)
VBATTT
Uripp
Uripp
t = 577 µs
T = 4,615 ms
Figure 2 : Power supply during burst emission
In communication mode, a GPRS class 10 terminal emits 1154µs radio
bursts every 4.615ms.
Only the VBATT power supply input is necessary to provide the Q2686
Wireless CPU.
VBATT:
supplies directly the RF components with 3.6 V. It is essential to keep a
minimum voltage ripple at this connection in order to avoid any phase
error.
The RF Power Amplifier current (2.0 A peak in GSM /GPRS mode) flows
with a ratio of:
1/8 of the time (around 577µs every 4.615ms for GSM /GPRS cl. 2)
and
2/8 of the time (around 1154µs every 4.615ms for GSM /GPRS cl.
10).
The rising time is around 10µs.
is internally used to provide through several regulators, the power
supply VCC_2V8 and VCC_1V8 needed for the base band signals.
Page : 21 / 87
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The WISMO QUIK Q2686 shielding case is the grounding. The ground has to
be connected on the mother board through a complete layer on the PCB.
Input power Supply Voltage
VBATT1,2
VMIN
VNOM
VMAX
Ripple max (Uripp)
3.2
3.6
4.8
10mVpp
Table 1 Power supply voltage
(1): This value has to be guarantied during the burst (with 2.0A Peak in GSM
or GPRS mode)
(2): max operating Voltage Stationary Wave Ratio (VSWR) 2:1
When supplying the Wireless CPU with a battery, the total impedance
(battery+protections+PCB)should be <150 mOhms.
When the Wireless CPU is in Alarm mode, no voltage must be applied on any
pin of the 100-pin connector excepted on the BAT-RTC (pin 7 ) for RTC
operation, or ON/~OFF (pin 19) to power ON the Wireless CPU.
3.2.2 Power consumption
The power consumption is depending of the configuration used. That’s why,
the following consumption values are given for each modes, RF bands and
software used (AT or Open AT™).
All following information are given assuming a 50 RF output.
The following consumption values are given by measurement on Wireless CPU
samples, at temperature of 25°C.
Three VBATT values are used to measure the consumption, VBATTMIN (3.2V),
VBATTMAX (4.8V) and VBATTTYP (3.6V).
The average current is given for the three VBATT values and the peak current
given is the maximal current peak measured with the three VBATT voltages.
For more information about working mode description, see Appendix of AT
Command Interface Guide OS 6.60 [4]
For more information about consumption measurement procedure, see WISMO
Quik Q2686 Customer Design Guidelines [2].
Page : 22 / 87
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3.2.2.1
Power consumption without Open AT® processing
The following measurement results are relevant when :
there is no Open AT® application
the Open AT® application is disabled
no processing is required by the Open AT® application
®
Power consumption without Open AT processing
Working modes
IMIN
average
parameters
INOM
average
IMAX
average
VBATT=4,8V VBATT=3,6V VBATT=3,2V
Alarm Mode
Fast Idle Mode
unit
21
16
15
Paging 9 (Rx burst occurrence ~2s)
15
17
18
160 RX
mA
Paging 2 (Rx burst occurrence ~0,5s)
17
18
19
160 RX
mA
160 RX
mA
160 RX
mA
Paging 9 (Rx burst occurrence ~2s)
Slow Idle Mode
IMAX
peak
1.5
1.6
1.7
(1.5 to 1.75)
(1.6 to 1.9)
(1.7 to 2.05)
µA
4.4
4.6
(4 to 4.3)
(4.4 to 4.75)
(4.6 to 4.95)
Fast Standby Mode
30
36
39
mA
Slow Standby Mode
1.4
1.4
1.5
mA
PCL5 (TX power 33dBm)
210
218
222
1450 TX
mA
PCL19 (TX power 6dBm)
81
89
92
270 TX
mA
PCL0 (TX power 33dBm)
145
153
157
850 TX
mA
PCL19 (TX power 6dBm)
77
85
88
250 TX
mA
PCL3 (TX power 33dBm)
201
209
213
1450 TX
mA
PCL17 (TX power 5dBm)
78
85
88
270 TX
mA
PCL3 (TX power 30dBm)
138
146
149
850 TX
mA
PCL18 (TX power 0dBm)
74
81
84
250 TX
mA
PCL3 (TX power 33dBm)
364
372
378
1450 TX
mA
PCL17 (TX power 5dBm)
112
120
123
270 TX
mA
PCL3 (TX power 30dBm)
237
245
248
850 TX
mA
PCL18 (TX power 0dBm)
104
111
115
250 TX
mA
Paging 2 (Rx burst occurrence ~0,5s)
850/900 MHz
Connected Mode
1800/1900 MHz
850/900 MHz
Transfer Mode
class 8
(4Rx/1Tx)
1800/1900 MHz
850/900 MHz
Transfer Mode class 10
(3Rx/2Tx)
1800/1900 MHz
TX
means that the current peak is the RF transmission burst (Tx burst)
RX
means that the current peak is the RF reception burst (Rx burst)
The Slow Idle Mode consumption is depending of the SIM card used. Any
SIM cards responses are speeder than others, more the response is long, more
the consumption is high. The measurements have been preformed with many
3V SIM cards, the result under brackets are the min and the max current
measured among all the SIM used.
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3.2.2.2
Power consumption with Open AT® software
The Open AT™ software used is the Dhrystone application, the following
consumption results are measured during the run of the Dhrystone application.
Power consumption with Dhrystone Open AT® application
Working modes
IMIN
average
parameters
INOM
average
IMAX
average
VBATT=4,8V VBATT=3,6V VBATT=3,2V
Alarm Mode
IMAX
peak
unit
N/A
N/A
N/A
Paging 9 (Rx burst occurrence ~2s)
31
38
41
160 RX
mA
Paging 2 (Rx burst occurrence ~0,5s)
32
39
42
160 RX
mA
Paging 9 (Rx burst occurrence ~2s)
N/A
N/A
N/A
160 RX
mA
Paging 2 (Rx burst occurrence ~0,5s)
N/A
N/A
N/A
160 RX
mA
Fast Standby Mode
31
38
41
mA
Slow Standby Mode
N/A
N/A
N/A
mA
PCL5 (TX power 33dBm)
211
219
223
1450 TX
mA
PCL19 (TX power 6dBm)
82
90
93
270 TX
mA
PCL0 (TX power 33dBm)
146
154
159
850 TX
mA
PCL19 (TX power 6dBm)
78
85
89
250 TX
mA
PCL3 (TX power 33dBm)
202
210
214
1450 TX
mA
PCL17 (TX power 5dBm)
78
86
89
270 TX
mA
PCL3 (TX power 30dBm)
140
148
151
850 TX
mA
PCL18 (TX power 0dBm)
75
82
85
250 TX
mA
PCL3 (TX power 33dBm)
365
373
379
1450 TX
mA
PCL17 (TX power 5dBm)
113
121
125
270 TX
mA
PCL3 (TX power 30dBm)
239
247
250
850 TX
mA
PCL18 (TX power 0dBm)
105
113
117
250 TX
mA
Fast Idle Mode
Slow Idle Mode
850/900 MHz
Connected Mode
1800/1900 MHz
850/900 MHz
Transfer Mode
class 8
(4Rx/1Tx)
1800/1900 MHz
850/900 MHz
Transfer Mode class 10
(3Rx/2Tx)
1800/1900 MHz
TX
means that the current peak is the RF transmission burst (Tx burst)
RX
means that the current peak is the RF reception burst (Rx burst)
µA
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3.2.2.3
Consumption waveforms samples.
The consumption waveforms a given for a EGSM900 network configuration,
with an AT software running inside the Q2686/X60 Wireless CPU.
The VBATT voltage as the typical value of 3.6V.
Four significant workings modes consumption waveforms are described :
Connected Mode (PCL5 : Tx power 33dBm)
Slow Idle mode (Paging 9)
Fast idle mode (Paging 9)
Transfer mode (GPRS class 10, PCL3 : Tx power 33dBm )
The following waveform provide only the form of the current, for good current
values, see chapter 3.2.2.1 and 3.2.2.2.
3.2.2.3.1 Connected mode current waveform
Connected mode 33dBm
Current(A) / Time (s)
1.6
TX PEAK
1.4
1.2
0.8
0.6
0.4
0.2
0.00
0.00
0.00
0.00
0.01
0.01
0.01
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3.2.2.3.2 Slow Idle mode current waveform
Slow Idle mode Paging ~2s
Current(A) / Time (s)
0.16
RX PEAK
0.14
0.12
0.1
0.08
0.06
0.04
0.02
-0.02
3.2.2.3.3 Fast Idle mode current waveform
Fast Idle mode Paging ~2s
Current(A) / Time (s)
0.16
RX PEAK
0.14
0.12
0.1
0.08
0.06
0.04
0.02
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3.2.2.3.4 Transfer mode Class 10 current waveform
Transfer mode Class 10 33dBm
Current(A) / Time (s)
1.6
TX PEAK
1.4
1.2
0.8
0.6
0.4
0.2
3.2.2.4
0.00
0.00
0.00
0.01
0.00
0.01
0.01
Power supply pinout
Power Supply Pinout
Signal
Pin number
VBATT
1,2,3,4
GND
Shielding
The grounding connection is done through the shielding the four legs have
to be soldered to the ground plane.
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3.3 Electrical information for digital I/O
There is tree types of digital I/O on the WISMO Quik Q2686 : 2.8Volt CMOS ,
1.8Volt CMOS and Open drain.
The tree types are described below.
Electrical characteristics of digital I/O
2.8 Volts type (2V8 )
Parameter
I/O type
Minim.
Typ
Maxim.
Internal 2.8V power supply VCC_2V8
2.74V
2.8V
2.86V
Input / Output pin
VIL
CMOS
-0.5V*
0.84V
VIH
CMOS
1.96V
3.2V*
VOL
CMOS
VOH
CMOS
0.4V
2.4V
Condition
IOL = - 4 mA
IOH = 4 mA
IOH
4mA
IOL
- 4mA
*Absolute maximum ratings
All 2.8V I/O pins don’t accept input signal voltage over the maximum voltage
specified above, excepting the UART1 interface which is 3.3V tolerant.
1.8 Volts type (1V8)
Parameter
I/O type
Minim.
Typ
Maxim.
Internal 1V8 power supply
VCC_1V8
1.76V
1.8V
1.94V
VIL
CMOS
-0.5V*
0.54V
VIH
CMOS
1.33V
2.2V*
VOL
CMOS
VOH
CMOS
Input / Output pin
0.4V
1.4V
Condition
IOL = - 4 mA
IOH = 4 mA
IOH
4mA
IOL
- 4mA
*Absolute maximum ratings
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Open drain outputs type
Signal name Parameter
FLASH-LED
I/O type
Minimum
Typ
Maximum
VOL
Open Drain
0.4V
IOL
Open Drain
8mA
VOL
Open Drain
0.4V
IOL
Open Drain
100mA
SDA /
GPIO27
VTOL
Open Drain
3.3V
and
VIH
Open Drain
SCL /
GPIO26
VIL
Open Drain
0.8V
VOL
Open Drain
0.4V
IOL
Open Drain
3mA
BUZZ-OUT
Condition
Tolerated
voltage
2V
The reset state of the I/O are given in each interfaces descriptions chapter. The
definition of those states are described below:
Reset state definition
Parameter
Définition
Set to GND
Set to supply 1V8 or 2V8 depending of I/O type
Pull down
Pull up
Undefined
Internal pull down with ~60K resistor.
Internal pull up with ~60K resistor to supply 1V8 or 2V8
depending of I/O type.
High impedance
Be careful, undefined mustn’t be used in your application if
a special state at reset is needed. Those pins can be a
toggling signal during reset.
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3.4 Serial interface
The WISMO Quik Q2686 can be connected to a LCD Wireless CPU driver
through either two SPI bus or an I²C 2-wire interfaces.
3.4.1 SPI bus
The both SPI bus interfaces include-:
a CLK signal,
an I/O signal,
an I signal
an CS signal complying with standard SPI bus.
SPI bus characteristics:
Master mode operation
The SPI speed is from 101,5 Kbit/s up to 13 Mbit/s in master mode
operation
3 or 4-wires interface
SPI-mode configuration: 0 to 3
1 to 16 bits data length
3.4.1.1
SPI waveforms
Waveform of SPI transfer with 4 wires configuration in master mode 0. ( Chip
select is not represented ).
CLK-cycle
SPIx-CLK
Data-OUTdelay
SPIx-IO
Data valid
Data- IN-setup
Data-IN-hold
SPIx-I
Data valid
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Figure 3 : SPI Timing diagrams, Mode 0, Master, 4 wires
AC characteristics
Signal
Description
Minimum
CLK-cycle
SPI clock frequency
0.1015
Typ
Maximum Unit
Data-OUT delay Data out ready delay time
13
MHz
10
ns
Data-IN-setup
Data in setup time
ns
Data-OUT-hold
Data out hold time
ns
3.4.1.2
SPI configuration
Operation
Maximum
Speed
SPIMode
Duplex
Master
13 Mb/s
0,1,2,3
Half
3-wire type
4-wire type
SPIx-CLK; SPIx- SPIx-CLK; SPIx-IO;
IO; ~SPIx-CS
SPIx-I; ~SPIx-CS
For the 4-wires configuration, the SPIx-I/O is used as output only, SPIx-I is
used as input only.
For the 3 wires configuration, the SPIx-I/O is used as input and output.
3.4.1.3
SPI1 bus
Pin description
Signal
Pin
number
I/O
I/O
type
Reset
state
Description
Multiplexed
with
SPI1-CLK
23
2V8
SPI Serial Clock
GPIO28
SPI1-IO
25
I/O
2V8
SPI Serial input/output
GPIO29
SPI1-I
24
2V8
SPI Serial input
GPIO30
~SPI1-CS
22
2V8
SPI Enable
GPIO31
For Open drain, 2V8 and 1V8 voltage characteristics and for Reset state definition refer to chapter
3.3 Electrical information for digital I/O.
Page : 31 / 87
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3.4.1.4
SPI2 bus
Pin description
Signal
Pin
number
I/O
I/O
type
Reset
state
Description
Multiplexed
with
SPI2-CLK
26
2V8
SPI Serial Clock
GPIO32
SPI2-IO
27
I/O
2V8
SPI Serial input/output
GPIO33
SP2-I
29
2V8
SPI Serial input
GPIO34
~SPI2-CS
28
2V8
SPI Enable
GPIO35
See chapter “3.3 Electrical information for digital I/O” for Open drain, 2V8 and 1V8 voltage
characteristics and for Reset state definition.
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3.4.2 I2C bus
The I2C interface includes a clock signal (SCL) and a data signal (SDA)
complying with a 100Kbit/s-standard interface ( Standard mode : s-mode ).
The I²C bus is always master.
The maximum speed transfer range is 400Kbit/s ( Fast mode : f-mode ).
For more information on the bus, see the “I²C Bus Specification Version
2.0”from PHILIPS.
3.4.2.1
I²C waveforms
Waveform of I²C bus in master mode configuration.
SCL-freq
T-high
SCL
T-start
T-data-
T-data-
hold
setup
T-stop
T-free
SDA
Data valid
Data valid
Figure 4 : I²C Timing diagrams, Master
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AC characteristics
Signal
Description
SCL-freq
I²C clock frequency
100
T-start
Hold time START condition
0.6
µs
T-stop
Setup time STOP condition
0.6
µs
T-free
Bus free time, STOP to START
1.3
µs
T-high
High period for clock
0.6
µs
T-data-hold
Data hold time
T-data-setup
Data setup time
100
3.4.2.2
Minimum Typ Maximum Unit
400
0.9
KHz
µs
ns
I²C bus pin out
Pin description
Signal
Pin
number
I/O
I/O type
Reset
state
Description
Multiplexed
with
SCL
44
Open drain
Serial Clock
GPIO26
SDA
46
I/O
Open drain
Serial Data
GPIO27
See chapter “3.3 Electrical information for digital I/O” for Open drain, 2V8 and 1V8 voltage
characteristics and for Reset state definition.
Page : 34 / 87
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3.5 Keyboard interface
This interface provides 10 connections :
5 rows (ROW0 to ROW4) and
5 columns (COL0 to COL4).
The scanning is a digital one and the debouncing is done in the WISMO Quik
Q2686.
No discrete components like R,C (Resistor, Capacitor) are needed.
Pin description of the Keyboard interface
Signal
Pin
number
I/O
I/O
type
Reset
state
Description
Multiplexed
with
ROW0
68
I/O
1V8
Row scan
GPIO9
Row scan
GPIO10
ROW1
67
I/O
1V8
ROW2
66
I/O
1V8
Row scan
GPIO11
ROW3
65
I/O
1V8
Row scan
GPIO12
ROW4
64
I/O
1V8
Row scan
GPIO13
COL0
59
I/O
1V8
Pull up
Column scan
GPIO4
COL1
60
I/O
1V8
Pull up
Column scan
GPIO5
COL2
61
I/O
1V8
Pull up
Column scan
GPIO6
COL3
62
I/O
1V8
Pull up
Column scan
GPIO7
I/O
1V8
Pull up
Column scan
GPIO8
COL4
63
See chapter “3.3 Electrical information for digital I/O” for Open drain, 2V8 and 1V8 voltage
characteristics and for Reset state definition.
Page : 35 / 87
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3.6 Main serial link (UART1)
A flexible 6-wire serial interface is available complying with V24 protocol
signaling but not with V28 (electrical interface) due to a 2.8 Volts interface.
The signals are the follows:
TX data (CT103/TX)
RX data (CT104/RX)
Request To Send (~CT105/RTS)
Clear To Send (~CT106/CTS)
Data Terminal Ready (~CT108-2/DTR) and
Data Set Ready (~CT107/DSR).
The set of RS-232 signals can be required for GSM DATA services application
and is generated by the general purpose I/O provided by the Q2686.
The two additional signals are:
Data Carrier Detect (~CT109/DCD) and
Ring Indicator (CT125/RI).
Pin description of UART1 interface
Signal
Pin
number
I/O
I/O
type
Reset
state
Description
Multiplexed
with
CT103/TXD1*
71
2V8
Transmit serial
data
GPIO36
CT104/RXD1*
73
2V8
Receive serial
data
GPIO37
~CT105/RTS1*
72
2V8
Request To
Send
GPIO38
~CT106/CTS1*
75
2V8
Clear To Send
GPIO39
~CT107/DSR1*
74
2V8
Data Set Ready
GPIO40
~CT1082/DTR1*
76
2V8
Data Terminal
Ready
GPIO41
~CT109/DCD1 *
70
2V8
Undefined Data Carrier
Detect
GPIO43
~CT125/RI1 *
69
2V8
Undefined Ring Indicator
GPIO42
CT102/GND*
Shielding
legs
GND
Ground
See chapter “3.3 Electrical information for digital I/O” for Open drain, 2V8 and 1V8 voltage
characteristics and for Reset state definition.
*According to PC view
Page : 36 / 87
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The rising time and falling time of the reception signals (mainly CT103) have to
be less than 300 ns.
The Q2686 is designed to operate using all the serial interface signals. In
particular, it is mandatory to use RTS and CTS for hardware flow control in
order to avoid data corruption during transmission.
Maximum baud rate of the UART1 is 115 Kbit/s.
Page : 37 / 87
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3.7 Auxiliary serial link (UART2)
For future applications (e.g. Bluetooth connectivity) an auxiliary serial interface
(UART2) will be available on Q2686 product.
Pin description of UART2 interface
Signal
Pin
I/O
I/O type
Reset
state
Description
Multiplexed
with
number
CT103 /
TXD2*
31
1V8
Transmit serial data
GPIO14
CT104 /
RXD2*
30
1V8
Receive serial data
GPIO15
~CT106 /
CTS2*
32
1V8
Clear To Send
GPIO16
~CT105 /
RTS2*
33
1V8
Request To Send
GPIO17
See chapter “3.3 Electrical information for digital I/O” for Open drain, 2V8 and 1V8 voltage
characteristics and for Reset state definition.
* According to PC view
The Q2686 is designed to operate using all the serial interface signals. In
particular, it is mandatory to use RTS and CTS for hardware flow control in
order to avoid data corruption during transmission.
Maximum baud rate of the UART2 is 115 Kbit/s.
Page : 38 / 87
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3.8 SIM interface
The Subscriber Identification Module can be directly connected to the WISMO
Quik Q2686 Wireless CPU through this dedicated interface.
3.8.1 General Description
5 signals exist :
SIM-VCC : SIM power supply.
~SIM-RST : reset.
SIM-CLK : clock.
SIM-IO : I/O port.
SIMPRES : SIM card detect.
The SIM interface controls a 3V / 1V8 SIM. This interface is fully compliant
with GSM 11.11 recommendations concerning SIM functions.
Pin description of SIM interface
Signal
Pin
number
I/O
I/O type
Reset
state
Description
Multiplexed
with
SIM-CLK
14
2V9 / 1V8
SIM Clock
Not mux
~SIM-RST
13
2V9 / 1V8
SIM Reset
Not mux
SIM-IO
11
I/O
2V9 / 1V8
*Pull up
SIM Data
Not mux
SIM-VCC
2V9 / 1V8
SIM Power
Supply
Not mux
SIMPRES
12
1V8
SIM Card
Detect
GPIO18
*SIM-IO pull up is about 10K ohm
See chapter “3.3 Electrical information for digital I/O” for Open drain, 2V8 and 1V8 voltage
characteristics and for Reset state definition.
Page : 39 / 87
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Electrical Characteristics of SIM interface
Parameter
Conditions
Minim.
Typ
Maxim. Unit
0.7xSIMVCC
SIM-IO VIH
IIH = ± 20µA
SIM-IO VIL
IIL = 1mA
~SIM-RST, SIM-CLK
Source current = 20µA
0.9xSIMVCC
Source current = 20µA
0.8xSIMVCC
0.4
VOH
SIM-IO VOH
~SIM-RST,
SIM-CLK
SIM-IO,
Sink current =
0.4
-200µA
VOL
SIM-VCC
Voltage
Output
SIMVCC = 2.9V
2.84
2.9
2.96
1.74
1.8
1.86
10
mA
IVCC= 1mA
SIMVCC = 1.8V
IVCC= 1mA
SIM-VCC current
VBATT = 3.6V
SIM-CLK
Time
Rise/Fall
Loaded with 30pF
20
ns
~SIM-RST,
Time
Rise/Fall
Loaded with 30pF
20
ns
SIM-IO
Time
Rise/Fall
Loaded with 30pF
0.7
SIM-CLK Frequency
Loaded with 30pF
µs
3.25
MH
Note :
When SIMPRES is used, a low to high transition means that the SIM card is
inserted and a high to low transition means that the SIM card is removed.
Page : 40 / 87
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3.9 General Purpose Input/Output
The WISMO Quik Q2686 provides up to 42 General Purpose I/O. They are used
to control any external device such as a LCD or a Keyboard backlight.
All grey highlight I/O are 1V8 whereas the others are 2V8.
Pin description of GPIO
Signal
Pin
number
Reserved
42
GPIO1
51
I/O
1V8
Not mux*
GPIO2
53
I/O
1V8
Not mux*
GPIO3
50
I/O
1V8
INT0
GPIO4
59
I/O
1V8
Pull up
COL0
GPIO5
60
I/O
1V8
Pull up
COL1
GPIO6
61
I/O
1V8
Pull up
COL2
GPIO7
62
I/O
1V8
Pull up
COL3
GPIO8
63
I/O
1V8
Pull up
COL4
GPIO9
68
I/O
1V8
ROW0
GPIO10
67
I/O
1V8
ROW1
GPIO11
66
I/O
1V8
ROW2
GPIO12
65
I/O
1V8
ROW3
GPIO13
64
I/O
1V8
ROW4
GPIO14
31
I/O
1V8
CT103 / TXD2
GPIO15
30
I/O
1V8
CT104 / RXD2
GPIO16
32
I/O
1V8
~CT106 / CTS2
GPIO17
33
I/O
1V8
~CT105 / RTS2
GPIO18
43
I/O
1V8
SIMPRES
GPIO19
45
I/O
2V8
Not mux
GPIO20
48
I/O
2V8
Undefined
Not mux
GPIO21
47
I/O
2V8
Undefined
Not mux
GPIO22
57
I/O
2V8
Not mux**
GPIO23
55
I/O
2V8
Not mux
GPIO24
58
I/O
2V8
Not mux
I/O
I/O type*
Reset state
Multiplexed with
Do not used*
Page : 41 / 87
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Signal
Pin
number
I/O
I/O type*
GPIO25
49
I/O
2V8
Signal
Pin
number
I/O
I/O type*
44
I/O
Open
drain
46
I/O
Open
drain
GPIO28
23
I/O
2V8
SPI1-CLK
GPIO29
25
I/O
2V8
SPI1-IO
GPIO30
24
I/O
2V8
SP1-I
GPIO31
22
I/O
2V8
~SPI1-CS
GPIO32
26
I/O
2V8
SPI2-CLK
GPIO33
27
I/O
2V8
SPI2-IO
GPIO34
29
I/O
2V8
SP2-I
GPIO35
28
I/O
2V8
~SPI2-CS
GPIO36
71
I/O
2V8
CT103 / TXD1
GPIO37
73
I/O
2V8
CT104 / RXD1
GPIO38
72
I/O
2V8
~CT105 / RTS1
GPIO39
75
I/O
2V8
~CT106 / CTS1
GPIO40
74
I/O
2V8
~CT107 / DSR1
GPIO41
76
I/O
2V8
~CT108-2 / DTR1
GPIO42
69
I/O
2V8
Undefined
~CT125 / RI1
GPIO43
70
I/O
2V8
Undefined
~CT109 / DCD1
GPIO44
43
I/O
2V8
Undefined
Not mux
GPIO26
GPIO27
Reset state
Reset state
Multiplexed with
INT1
Multiplexed with
SCL
SDA
See chapter “3.3 Electrical information for digital I/O” for Open drain, 2V8 and 1V8 voltage
characteristics and for Reset state definition.
On the Q2687/X61 product, those pins are multiplexed with the control signals of the parallel
bus (parallel bus is only available on the Q2687/X61 product).If an upgrade to the Q2687/X61
is envisaged, and if the parallel bus is used, those pins will be mandatory for the parallel bus
functionality.
**
If a Bluetooth module is used with the Q2686 Wireless CPU, those GPIO must be reserved.
Page : 42 / 87
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3.10
Analog to Digital Converter
Two Analog to Digital Converters inputs are provided by the WISMO Quik
Q2686. Those converters are 10 bits resolution, ranging from 0 to 2V.
Pin description of ADC
Signal
Pin number
I/O
I/O type
Description
BAT-TEMP*
20
Analog
A/D converter
AUX-ADC
21
Analog
A/D converter
This input is reserved for battery charging temperature sensor,
see chapter “3.13 Battery Charging interface “.
Electrical Characteristics of ADC
Parameter
Min
Resolution
Typ
10
Sampling rate
Unit
bits
138
Input signal range
Input
impedance
Max
S/s
BAT-TEMP
1M
AUX-ADC
1M
* internally pull up to 2.8V
Sampling rate only for AUX-ADC and Open AT® application.
Page : 43 / 87
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3.11
Analogue audio interface
Two different microphone inputs and two different speakers outputs are
supported.
The WISMO Quik Q2686 also includes an echo cancellation feature which
allows handsfree function.
3.11.1 Microphone inputs
The MIC2 inputs already include the biasing for an electret microphone
allowing an easy connection.
The MIC1 input needs to have an external biasing if an electret micro is used.
3.11.1.1 Common microphone inputs characteristics
The connection can be either differential or single-ended but using a differential
connection in order to reject common mode noise and TDMA noise is strongly
recommended. When using a single-ended connection, be sure to have a very
good ground plane, a very good filtering as well as shielding in order to avoid
any disturbance on the audio path.
The gain of MIC inputs is internally adjusted and can be tuned using an AT
command.
Both can be configured in differential or single ended.
3.11.1.2 Main Microphone Inputs (MIC2)
By default, the MIC2 inputs are differential ones, but it can be configured in
single ended. They already include the convenient biasing for an electret
microphone. The electret microphone can be directly connected on those
inputs.
AC coupling is already embedded in the Wireless CPU.
Pin description of MIC2
Signal
Pin
number
I/O
I/O type
Description
MIC2P
36
Analog
Microphone 2 positive input
MIC2N
34
Analog
Microphone 2 negative input
Page : 44 / 87
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3.11.1.3 Auxiliary Microphone Inputs (MIC1)
By default, the MIC1 inputs are single-ended but it can be configured in
differential. An external biasing is needed if an electret micro is used.
AC coupling is already embedded in the Wireless CPU.
Pin description of MIC1
Signal
Pin
number
I/O
I/O type
Description
MIC1P
MIC1N
40
38
Analog
Analog
Microphone 1 positive input
Microphone 1 negative input
3.11.1.4 Micro Electrical characteristics
The characteristics of the both micro inputs of the WISMO Quik Q2686 are
defined in the following arrays.
MIC2 Characteristics
Parameter
Internal
Biasing
Impedance
single ended
Input voltage
Voltage
Min.
Typ
Max.
Unit
2.1
2.2
1.5
mA
Output Current
Internal AC coupling
100
nF
MIC2P (MIC2N left opened)
1100
1340
1600
MIC2P (MIC2N = GND)
900
1140
1400
MIC2N (MIC2P left opened)
1100
1340
1600
MIC2N (MIC2P = GND)
900
1140
1400
346
mVRMS
6V **
Maxim.
Unit
Differential Input Voltage*
Absolute maximum ratings
MIC1 Characteristics
Parameter
Internal
Biasing
Impedance
single ended
Input voltage
Typ
Voltage
N/A
Output Current
N/A
Internal AC coupling
100
nF
MIC1P (MIC1N left opened)
70
100
162
k
MIC1P (MIC1N = GND)
70
100
162
k
MIC1N (MIC1P left opened)
70
100
162
k
MIC1N (MIC1P = GND)
70
100
162
k
346
mVRMS
Differential Input Voltage *
Absolute maximum ratings
Minim.
The input voltage depends of the input micro gain set by AT command.
** Because MIC2P is internally biased, it is necessary to use a coupling capacitor to
connect a audio signal provided by an active generator. Only a passive microphone can be
directly connected to the MI2P and MIC2N inputs.
Page : 45 / 87
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3.11.2 Common speaker outputs characteristics
The connection is single-ended on SPK1 and is differential or single-ended on
SPK2. Using a differential connection to reject common mode noise and TDMA
noise is strongly recommended. Moreover in single-ended mode, ½ of the
power is lost. When using a single-ended connection, be sure to have a very
good ground plane, a very good filtering as well as shielding in order to avoid
any disturbance on the audio path.
3.11.2.1 Differential Connection
Impedance of the speaker amplifier output in differential mode is shown below:
Parameter
Z (SPK2P, SPK2N)
Typ
Unit
3.11.2.2 Single-ended Connection
Impedance of the speaker amplifier output in single-ended mode is shown
below:
Electrical Characteristics
Parameter
Typ
Unit
Z (SPK1P, SPK1N)
16 or 32
Z (SPK2P, SPK2N)
3.11.3 Speaker outputs
3.11.3.1 Speaker 2 Outputs
Pin description of Speaker 2 outputs
Signal
Pin
number
I/O
I/O type
Description
SPK2P
39
Analog
Speaker 2 positive output
SPK2N
41
Analog
Speaker 2 negative output
Page : 46 / 87
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3.11.3.2 Speaker 1 Outputs
Pin description of Speaker 1 outputs
Signal
Pin
number
I/O
I/O type
Description
SPK1P
35
Analog
Speaker 1 positive output
SPK1N
37
Analog
Speaker 1 negative output
3.11.3.3 Speakers Outputs Power
The both speakers maximum power output are not similar, that’s due to the
different configuration between the Speaker1 which is only single ended and
the speaker2 which can be differential, so speaker2 can provides more power.
The maximal specifications given below are available with the maximum
power output configuration values set by an AT command.
Speaker1 single ended SPK1P output Characteristics
Parameter
Output
Biasing
Minim.
Voltage
Output
Voltage
Typ
Maxim.
1.20
Unit
2.75
VPP
Output
Power
Single ended with load of 32
ohm
27
mW
Output
Current
Maximum tolerated
85
mA
Maxim.
Unit
Only SPK1P can be used.
Speaker2 deferential output Characteristics
Parameter
Minim.
Typ
Output
Biasing
Voltage SPK2P and SPK2N
1.20
Output
Voltage
Voltage on SPK2P
0.9
VPP
Voltage on SPK2N
0.9
VPP
Diff voltage
1.8
VPP
(SPK2P – SPK2N)
Output
Power
Differential with load of 8
ohm
48
mW
Output
Current
Maximum tolerated
110
mA
If a singled ended solution is used with the speaker2 output, only one of the
both SPK2 has to be chosen. The result is an maximal output power divided by
2.
Page : 47 / 87
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3.12
Buzzer Output
This output is controlled by a pulse wide modulation controller and can be
used only as buzzer.
The BUZZ-OUT is an open drain one. A buzzer can be directly connected
between this output and VBATT. The maximum current is 100 mA (PEAK).
Pin description of PWM/Buzzer output
Signal
Pin
number
I/O
I/O type
Reset state
Description
BUZZ-OUT
15
Open
drain
Buzzer output
See chapter “3.3 Electrical information for digital I/O” for Open drain, 2V8 and 1V8 voltage
characteristics and for Reset state definition.
Electrical Characteristics
Parameter
Condition
VOL on
Iol = 100mA
0.4
IPEAK
VBATT = VBATTmax
100
mA
50000
Hz
Frequency
Minimum Maximum
Unit
Page : 48 / 87
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3.13
Battery charging interface
The WISMO Quik Q2686 Wireless CPU supports one battery charging circuit, 2
algorithms and one hardware charging mode (Pré-charging) for 3 batteries
technologies:
Ni-Cd
(Nickel-Cadmium) with algorithm 0
Ni-Mh
(Nickel-Métal Hydrure) with algorithm 0
Li-Ion
(Lithium-Ion) with algorithm 1
The two algorithms control a switch, which connects the CHG-IN signal to the
VBATT signal. The algorithm controls the frequency and the connected time of
the switching. During the charging procedure the battery charging level is
controled and when Li-Ion algorithm is used, the battery temperature is
monitoring thorough the BAT-TEMP ADC input.
One more charging procedure is provided by the Q2686 Wireless CPU. It’s
called “Pre-charging” mode, but it’s a special charging mode because it is
activated only when the Wireless CPU is OFF. So the control is only performed
by the hardware. The goal of this charging mode is to prevent the battery to be
damaged by preventing the discharged under the minimum battery level.
3.13.1 Ni-Cd / Ni-Mh Charging algorithm
To charge the battery, the algorithm measures the battery level when the
switch is opened T2 and charges the battery by closing the switch T3. When
the battery is charged (battery voltage reached BattLevelMax) the switch is
opened during the time T3.
BattLevelMax
Battery Level
T2
T1
T3
closed
Switch State
opened
Figure 5 : Ni-Cd / Ni-Mh charging waveform
Electrical Characteristics of Ni-Cd / Ni-Mh battery timing charge
Parameter
Min
Typ
Max
Unit
T1
T2
0.1
T3
Note : T1,T2,T3 and BattLevelMax can be configured by AT command.
The battery level is monitoring by the software but not the temperature.
Page : 49 / 87
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3.13.2 Li-Ion Charging algorithm
The LI-Ion algorithm, provides the temperature monitoring of the battery which
is highly recommended to prevent the damage of battery during the charging
phase.
The Li-Ion charger algorithm can be decomposed in 3 phases :
1. Constant charge
2. Beginning of pulse charge
3. End of pulse charge
The three phases can be seen on the following waveform of a complete
charge:
Figure 6 : Li-Ion full charging waveform
Electrical Characteristics of Li-Ion battery timing charge
Parameter
Min
Typ
Max
Unit
Step 1 switching
Closed
always
Step 2 switching
Opened
0.1
Closed
Step 3 switching
Opened
Closed
0.1
10
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3.13.3 Pré-Charging hardware controlled
One more charging mode is existing, but it’s not software controlled, it’s the
Pre-charging mode. This mode is only controlled by hardware. This mode is
only activated when the Wireless CPU is OFF and when the VBATT is in this
voltage range : 2.8V < VBATT < 3.2V. Of course, the charger power supply has
to be plugged on the CHG-IN (pin 6,8). During the Pré-charging mode the
battery is charged with a direct current of 50mA. The FLASH-LED blinks when
this mode is activated.
This mode is not a real charging mode, because it not possible to have a full
charge with it, but it is useful to safe the battery life by preventing the battery
to be discharge under the low limit voltage value.
3.13.4 Temperature monitoring
The monitoring of the temperature is only available for the Li-Ion battery with
the algorithm number 1. The BAT-TEMP (pin 20) ADC input must be used to
sample the temperature analog signal provided by a NTC temperature sensor.
The minimum an maximum temperature range can be set by AT command.
Pin description of battery charging interface
Signal
Pin number
I/O
I/O type
Description
CHG-IN
6,8
Analog
Current source input
BAT-TEMP
20
Analog
A/D converter
Electrical Characteristics of battery charging interface
Parameter
Minimum
Charging Operating temperature
BAT-TEMP (pin 20 )
CHG-IN (pin 6, 8 )
Typ
Maximum
Unit
50
°C
resolution
10
bits
sampling rate
216
S/s
Input Impedance ( R )
1M
Input signal range
Voltage (for I=Imax)
4.6*
Voltage (for I=0)
6*
Current Imax
800
mA
* To be parameterized as per battery manufacturer
Page : 51 / 87
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3.14
ON / ~OFF signal
This input is used to switch ON or OFF the WISMO Quik Q2686 Wireless CPU.
A high level signal has to be provided on the pin ON/~OFF to switch ON the
Wireless CPU. The voltage of this signal has to be maintained during a
minimum of 1000ms. This signal can be left at high level until switch off.
To switch OFF the Wireless CPU, the pin ON/OFF has to be released. The
Wireless CPU can be switched off through the Operating System.
3.14.1 Operating sequences
3.14.1.1 Power ON
Once the Wireless CPU supplied, the application must set the ON/OFF signal to
high to start the Wireless CPU power ON sequence. The ON/OFF signal must
be hold for 2000ms minimum. After this time, an internal mechanism keeps it
on hold. During the power ON sequence, an internal reset is automatically
performed by the Wireless CPU for 40ms (typical). During this phase, any
external reset should be avoided. Once the initialization is complete (timing is
SIM and network dependent) the AT interface answers « OK » to the
application. For further details, please check the AT commands Interface Guide.
POWER SUPPLY
ON/OFF
Ton/off-hold
(2000ms min)
INTERNAL RST
Trst
(40ms typ)
AT answers « OK »
STATE OF THE MODULE
Module OFF
RESET mode
Module ON
I BB+RF < 22µA
IBB+RF=20 to 40mA
IBB+RF<120mA
(no loc. update)
Module READY
SIM and Network dependent
IBB+RF = overall current consumption (Base Band + RF part)
Figure 7 : Power-ON sequence (no PIN code activated)
Page : 52 / 87
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3.14.1.2 Power OFF
To properly power OFF the Wireless CPU, the application must set the ON/OFF
signal to low and then send the AT+CPOF command to deregister from the
network and switch off the Wireless CPU. Once the « OK » response is issued
by the Wireless CPU, the power supply can be switched off.
POWER SUPPLY
ON/OFF
AT+CPOF
AT COMMAND
OK response
Network dependent
STATE OF THE MODULE
Module OFF
Module
READY
IBB+RF <22µA
IBB+RF = overall current consumption (Base Band + RF part)
Figure 8 : Power-OFF sequence
Pin description
Signal
Pin number
I/O
I/O type
Description
ON/OFF
19
CMOS
Wireless CPU Power
ON
Electrical Characteristics of the signal
Parameter
I/O type
VIL
CMOS
VIH
CMOS
Minimum
VBATT x 0.8
Maximum
Unit
VBATT x 0.2
VBATT
Page : 53 / 87
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3.15
BOOT signal
A specific control pin BOOT is available to download the WISMO Quik Q2686
Wireless CPU only if the standard XMODEM download, controlled with AT
command, is not possible.
A specific PC software, provided by WAVECOM, is needed to performed this
specific download.
The BOOT pin must be connected to the VCC_1V8 for this specific download.
Operating mode description
BOOT
Operating mode
Comment
Leave open
Normal use
No download
Leave open
Download XMODEM
AT command for Download
AT+WDWL
Download specific
Need WAVECOM PC software
For more information, see Q2686 / OS 6.60 AT Command Interface Guide.
This BOOT pin must be leave open for normal use or XMODEM download.
However, in order to make development and maintenance phases easier, it is
highly recommended to set a test point, either a jumper or a switch to
VCC_1V8 (pin 5) power supply.
Pin description
Signal
Pin number
I/O
I/O type
Description
BOOT
16
1V8
Download mode selection
Page : 54 / 87
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3.16
Reset signal (~RESET)
This signal is used to force a reset procedure by providing low level during at
least 200µs. This signal has to be considered as an emergency reset only. A
reset procedure is already driven by an internal hardware during the power-up
sequence.
This signal can also be used to provide a reset to an external device (at power
up only ). If no external reset is necessary this input can be left open. If used
(emergency reset), it has to be driven by an open collector or an open drain.
The Wireless CPU remains in reset mode as long as the ~RESET signal is held
low.
CAUTION: This signal should be used only for “emergency” resets.
An Operating System reset will be preferred to an hardware reset.
Reset sequence :
To activate the « emergency » reset sequence, the ~RESET signal has to be set
to low for 200s minimum. As soon as the reset is complete, the AT interface
answers « OK » to the application.
~RESET
STATE OF
THE
MODULE
Module
READY
RESET mode
IBB+RF=20 to 40mA
Rt = Min1:200s
or Typ2 = 40ms
Ct = Typ:34ms
Module ON
IBB+RF<120mA without
loc update
AT answers “OK”
Module
READY
SIM and network
dependent
Figure 9 : Reset sequence waveform
At power up, the ~RESET time (Rt), is performed after switching ON the
Wireless CPU. It is generated by internal WISMO Quik Q2686 voltage
supervisor.
Page : 55 / 87
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The ~RESET time is provided by the internal RC component. To keep the same
time, it’s not recommended to plug an other R or C component on the ~RESET
signal. Only a switch or an open drain gate is recommended.
The Ct time is the cancellation time needed for the wireless CPU Q2686
initialization. Ct time is automatically done by the Q2686 Wireless CPU after a
hardware reset.
Electrical Characteristics of the signal
Parameter
Minimum
Typ
Maxomum
Unit
Input Impedance ( R )*
330K
Input Impedance ( C )
10n
~RESET time (Rt)
200
20
~RESET time (Rt) at power
up only
µs
40
100
34
Cancellation time (Ct)
VH
0.57
VIL
VIH
1.33
ms
ms
0.57
* internal pull up
* VH : Hysterisis Voltage
1 This reset time is the minimum to be performed on the ~RESET signal when the power
supply is already stabilized.
2 This reset time is internally performed by the power supply supervisor of the Wireless CPU
, only when the Wireless CPU power supplies are powered ON.
Pin description
Signal
Pin
number
I/O
I/O type
Description
~RESET
18
I/O Open Drain
1V8
Wireless CPU
Reset
Page : 56 / 87
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3.17
External Interrupt
The WISMO Quik Q2686 provides two externals interrupts inputs. Those
interrupt input can be activated on :
high to low edge
low to high edge
low to high and high to low edge
low level
high level
When used, interruptions input must not be left opened.
If not used, they have to be configured as GPIO.
Pin description
Signal
Pin
number
I/O
I/O type
Reset
state
Description
Multiplexed
with
INT1
49
2V8
External Interrupt
GPIO25
INT0
50
1V8
External Interrupt
GPIO3
See chapter “3.3 Electrical information for digital I/O” for Open drain, 2V8 and 1V8 voltage
characteristics and for Reset state definition.
Electrical characteristics of the signals
Parameter
INT1
Minimum
VIL
VIH
INT0
Unit
0.84
1.96
VIL
VIH
Maximum
0.54
1.33
Page : 57 / 87
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3.18
VCC_2V8 and VCC_1V8 output
Those outputs can be used only for pull-up resistor. VCC_2V8 and VCC_1V8
have to be used as a reference supply. Those voltages supplies are available
when the Wireless CPU is on.
Pin description
Signal
Pin number
I/O
I/O type
Description
VCC_2V8
10
Supply
Digital supply
VCC_1V8
Supply
Digital supply
Electrical characteristics of the signals
Parameter
VCC_2V8
VCC_1V8
Output voltage
Minimum
Typ
Maximum
Unit
2.74
2.8
2.86
15
mA
1.94
15
mA
Output Current
Output voltage
Output Current
1.76
1.8
Page : 58 / 87
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3.19
BAT-RTC (Backup Battery)
The WISMO Quik Q2686 provides an input / output to connect a Real Time
Clock power supply.
3.19.1 Interface description
This pin is used as a back-up power supply for the internal Real Time Clock.
The RTC is supported by the Wireless CPU when VBATT is available but a
back-up power supply is needed to save date and hour when the VBATT is
switched off (VBATT = 0V).
Q2686
from VBATT
2.5V
regulator
to RTC
1.8V
regulator
BAT-RTC (Pin 7)
Figure 10 : Real Time Clock power supply
If the RTC is not used this pin can be left open.
If the VBATT is available, the back-up battery can be charged by the internal
2.5V power supply regulator.
Pin description
Signal
Pin number
I/O
I/O type
Description
BAT-RTC
I/O
Supply
RTC Back-up supply
Electrical characteristics of the signal
Parameter
Minimum
Input voltage
1.85
Typ
Maximum
Unit
2.5
Input current
consumption*
3.3
µA
Output voltage
2.45
Output current
mA
*Provided by a RTC back-up battery when Wireless CPU power supply are off (VBATT = 0V).
Page : 59 / 87
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3.20
FLASH-LED signal
FLASH LED is an open drain output. A LED and a resistor can be directly
connected between this output and VBATT.
When the Q2686 Wireless CPU is OFF, if 2.8V < VBATT < 3.2V and a charger
is connected on CHG-IN inputs, this output indicates, by flashing ( 100 ms ON,
900 ms OFF ) , the pre-charging phase of the battery.
When the Q2686 Wireless CPU is ON, this output is used to indicate the
network status.
FLASH-LED status
Q2686
state
VBATT status
FLASH-LED status
WISMO Quik Q2686 status
Wireles VBATT<2.8V or OFF
s CPU
VBATT> 3.2V
OFF
2.8V < VBATT Pré-charge flash
< 3.2V
LED ON for 100 ms,
OFF for 900 ms
Wireless CPU is OFF
Wireles
s CPU
ON
Permanent
Wireless CPU switched ON,
not
registered
on
the
network
Slow flash
Wireless CPU switched ON,
registered on the network
VBATT > 3.2V
LED ON for 200 ms,
OFF for 2 s
Quick flash
LED ON for 200 ms,
OFF for 600 ms
Wireless CPU is OFF,
Pre-charging mode
(charger
must
be
connected on CHG-IN to
activate this mode)
Wireless CPU switched ON,
registered on the network,
communication in progress
Very quick flash
Wireless CPU switched on,
software downloaded is
LED ON for 100ms, OFF
either corrupted or nonfor 200ms
compatible
("BAD
SOFTWARE")
Pin description
Signal
Pin
number
I/O
I/O type
Reset state
Description
FLASHLED
17
Open Drain
Output
1 and
LED driving
Undefined
Page : 60 / 87
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See chapter “3.3 Electrical information for digital I/O” for Open drain, 2V8 and 1V8 voltage
characteristics and for Reset state definition.
2s
~RESET
pin 18
FLASH-LED
pin 17
led OFF
Undefined
Module Status
Figure 11 : FLASH-LED state during RESET and Initialization time
The FLASH-LED state is high during the RESET time and undefined during the
software initialization time. During software initialization time, during 2
seconds max after RESET cancellation , the FLASH-LED signal is toggling and
it doesn’t provide the Wireless CPU status. After the 2s, the FLASH-LED
provides the true status of the Wireless CPU.
Electrical characteristics of the signal
Parameter
Condition
Minimum
Typ
Maximum
Unit
VOL
0.4
IOUT
mA
Page : 61 / 87
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3.21
Digital audio interface (PCM)
The Digital audio interface (PCM) interface mode allows the connectivity with
audio standard peripherals. It can be used, for example, for connecting an
external audio codec.
The programmability of this mode allows address a large range of audio
peripherals.
PCM features :
IOM-2 compatible device on physical level
Master mode only with 6 slots by frame, user only on slot 0
Bit rate single clock mode at 768KHz only
16 bits data word MSB first only
Linear Law only (no compression law)
Long Frame Synchronization only
Push pull configuration on PCM-OUT and PCM-IN
The digital audio interface configuration can’t be different from the specified
features above.
3.21.1 Description
PCM interface consists of 4 wires :
PCM-SYNC ( output ) : The frame synchronization signal delivers an
8KHz frequency pulse that synchronizes the frame data in and the frame
data out.
PCM-CLK ( output ) : The frame bit clock signal controls the data transfer
with the audio peripheral.
PCM-OUT ( output ) : The frame “data out” depending on the selected
configuration mode.
PCM-IN ( input ) : The frame “data in” is depending on the selected
configuration mode.
Page : 62 / 87
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in g
gi n e
Be fr am
Tsync_high
nd
f fr
am
Tsync_low
PCM-SYNC
PCM-CLK
PCM-IN
SLOT 5
SLOT 0
SLOT 1
SLOT 5
SLOT 0
SLOT 0
SLOT 1
SLOT 5
SLOT 0
PCM-OUT
SLOT 5
Figure 12 : PCM Frame waveform
PCM-SYNC
TCLK-cycle
TSYNC-CLK
PCM-CLK
TIN-setup
TIN-hold
PCM-IN
SLOT 5 bit 0
SLOT 0 bit 15
SLOT 0 bit 14
SLOT 0 bit 13
SLOT 0 bit 14
SLOT 0 bit 13
T OUTdelay
PCM-OUT
SLOT 5 bit 0
SLOT 0 bit 15
Figure 13 : PCM Sampling waveform
Page : 63 / 87
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AC characteristics
Signal
Description
Minimum
Typ
Maximum Unit
Tsync_low +
Tsync_high
PCM-SYNC period
125
µs
Tsync_low
PCM-SYNC low time
93
µs
Tsync_high
PCM-SYNC high time
32
µs
TSYNC-CLK
PCM-SYNC to PCM-CLK time
-154
Ns
TCLK-cycle
PCM-CLK period
1302
Ns
TIN-setup
PCM-IN setup time
50
Ns
TIN-hold
PCM-IN hold time
50
Ns
TOUT-delay
PCM-OUT delay time
20
Ns
Pin description of PCM interface
Signal
Pin
number
I/O
I/O type
Reset state
Description
PCM-SYNC
77
1V8
Pull down
Frame synchronization
8Khz
PCM-CLK
79
1V8
Pull down
Data clock
PCM-OUT
80
1V8
Pull up
Data output
PCM-IN
78
1V8
Pull up
Data input
See chapter “3.3 Electrical information for digital I/O” for Open drain, 2V8 and 1V8 voltage
characteristics and for Reset state definition.
Page : 64 / 87
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3.22
USB 2.0 interface
A 4-wire USB slave interface is available, compiling with USB 2.0 protocol
signaling, but not with electrical interface, due to the not complying 5V of
VPAD-USB.
The USB interface signals are VPAD-USB, USB-DP, USB-DM and GND.
USB interface features :
12Mbit/s full speed transfer rate
3.3V typ compatible
USB Softconnect feature
Download feature is not supported by USB
CDC 1.1 – ACM compliant
NOTE:
A 5V to 3.3V typ voltage regulator is needed between the external interface
power in line ( +5V ) and the Wireless CPU line ( VPAD-USB ).
Pin description of USB interface
Signal
Pin
number
I/O
I/O type
Description
VPAD-USB
52
VPAD_USB
USB Power Supply
USB-DP
54
I/O
VPAD_USB
Differential data interface positive
USB-DM
56
I/O
VPAD_USB
Differential data interface negative
Electrical characteristics of the signals
Parameter
Min
Typ
Max
Unit
VPAD-USB, USB-DP, USB-DM
3.3
3.6
Page : 65 / 87
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3.23
RF interface
The impedance is 50 Ohms nominal and the DC impedance is 0 Ohm.
3.23.1 RF connections
U.FL Connector
A wide variety of cables fitted with U.FL connectors is proposed by
different supplier.
Soldered solution
The soldered solution will preferably be based on a RG178 coaxial cable.
IMP connector
This connector is dedicated to board to board application and must be
soldered on customer board. The supplier is Radiall with the following
reference : R107 064 900.
Notes :
The WISMO Quik Q2686 does not support an antenna switch for a car
kit but this function can be implemented externally and it can be driven
using a GPIO.
The antenna cable and connector should be chosen in order to minimize
losses in the frequency bands used for GSM 850/900MHz and
1800/1900MHz.
0.5dB can be considered as a maximum value for loss between the
Wireless CPU and an external connector.
Concerning mounting, assembly and handling of the IMP connector,
please contact directly the supplier Radiall. Wavecom can not support
the customer regarding the use of this connector.
3.23.2 RF performances
RF performances are compliant with the ETSI recommendation GSM 05.05.
The main parameters for Receiver are :
GSM850 Reference Sensitivity = -104 dBm Static & TUHigh
E-GSM900 Reference Sensitivity = -104 dBm Static & TUHigh
DCS1800 Reference Sensitivity = -102 dBm Static & TUHigh
PCS1900 Reference Sensitivity = -102 dBm Static & TUHigh
Selectivity @ 200 kHz : > +9 dBc
Selectivity @ 400 kHz : > +41 dBc
Linear dynamic range : 63 dB
Co-channel rejection : >= 9 dBc
And for Transmitter :
Maximum output power (EGSM & GSM850): 33 dBm +/- 2 dB at ambient
temperature
Page : 66 / 87
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Maximum output power (GSM1800 & PCS1900) : 30 dBm +/- 2 dB at
ambient temperature
Minimum output power (EGSM & GSM850) : 5 dBm +/- 5 dB at ambient
temperature
Minimum output power (GSM1800 & PCS1900) : 0 dBm +/- 5 dB at
ambient temperature
3.23.3 Antenna specifications
The antenna must fulfill the following requirements :
The optimum operating frequency depends on application. A dual Band or
a quad band antenna shall work in these frequency bands and have the
following characteristics :
Q2686
Characteristic
E-GSM 900
DCS 1800
GSM 850
PCS 1900
TX Frequency
880 to 915
MHz
1710 to
1785 MHz
824 to 849
MHz
1850 to 1910
MHz
RX Frequency
925 to 960
MHz
1805 to
1880 MHz
869 to 894
MHz
1930 to 1990
MHz
Impedance
VSWR
50 Ohms
Rx max
1.5 :1
Tx max
1.5 :1
Typical
radiated gain
0dBi in one direction at least
Page : 67 / 87
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4 Technical specifications
4.1 General Purpose Connector pin out description
Signal Name
Description
I/O*
Voltage
Mux
Nominal
Pin
Number
Signal Name
Nominal
Voltage
I/O*
Description
Mux
Power
Supply
VBATT
VBATT
VBATT
VBATT
Power
Supply
Power
Supply
VBATT
VBATT
VBATT
VBATT
Power
Supply
1.8V Supply
Output
VCC_1V8
VCC_1V8
CHG-IN
CHG-IN
Charger
input
RTC Battery
connection
I/O
BATRTC
BAT-RTC
CHG-IN
CHG-IN
Charger
input
SIM Power
Supply
1V8 or
3V
SIM-VCC
10
VCC_2V8
VCC_2V8
2.8V Supply
Output
SIM Data
I/O
1V8 or
3V
SIM-IO
11
12
SIMPRES
VCC_1V8
SIM
Detection
SIM reset
Output
1V8 or
3V
~SIMRST
13
14
SIM-CLK
1V8 or
3V
SIM Clock
Buzzer
Output
Open
Drain
BUZZOUT
15
16
BOOT
VCC_1V8
Not Used
Flash Led
Output
Open
Drain
FLASHLED
17
18
~RESET
VCC_1V8
I/O
RESET Input
ON / ~OFF
Control
VBATT
ON/~OFF
19
20
BATTEMP
Analog
Analogue
temperature
Analogue to
Digital Input
Analog
AUXADC
21
22
~SPI1-CS
GPIO31
VCC_2V8
SPI1 Chip
Select
SPI1 Clock
VCC_2V8
GPIO32
SPI1-CLK
23
24
SPI1-I
GPIO30
VCC_2V8
SPI1 Data
Input
SPI1 Data
Input /
Output
I/O
VCC_2V8
GPIO29
SPI1-IO
25
26
SPI2-CLK
GPIO32
VCC_2V8
SPI2 Clock
SPI2 Data
Input /
Output
I/O
VCC_2V8
GPIO33
SPI2-IO
27
28
~SPI2-CS
GPIO35
VCC_2V8
SPI2 Chip
Select
SPI2 Data
Input
VCC_2V8
GPIO34
SPI2-I
29
30
CT104RXD2
GPIO15
VCC_1V8
Auxiliary
RS232
Receive
Auxiliary
RS232
Transmit
VCC_1V8
GPIO14
CT103TXD2
31
32
~CT106CTS2
GPIO16
VCC_1V8
Auxiliary
RS232 Clear
To Send
Auxiliary
RS232
Request To
Send
VCC_1V8
GPIO17
~CT105RTS2
33
34
MIC2N
Analog
Micro 2
Input
Negative
Speaker 1
Output
Positive
Analog
SPK1P
35
36
MIC2P
Analog
Micro 2
Input
Positive
Speaker 1
Output
Negative
Analog
SPK1N
37
38
MIC1N
Analog
Micro 1
Input
Negative
GPIO18
Page : 68 / 87
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Signal Name
Description
I/O*
Voltage
Mux
Nominal
Pin
Number
Signal Name
Nominal
Voltage
I/O*
Description
Analog
Micro 1
Input
Positive
Mux
Speaker 2
Output
Positive
Analog
SPK2P
39
40
MIC1P
Speaker 2
Output
Negative
Analog
SPK2N
41
42
Reserved
**
I/O
VCC_2V8
GPIO44
43
44
SCL
GPIO26
Open
Drain
I²C Clock
I/O
VCC_2V8
GPIO19
45
46
SDA
GPIO27
Open
Drain
I/O
I²C Data
I/O
VCC_2V8
GPIO21
47
48
GPIO20
VCC_2V8
I/O
VCC_2V8
GPIO25
INT1
49
50
INT0
VCC_1V8
Interruption
0 Input
I/O
VCC_1V8
**
GPIO1
51
52
VPADUSB
VPADUSB
USB Power
supply input
I/O
VCC_1V8
**
GPIO2
53
54
USB-DP
VPADUSB
I/O
USB Data
I/O
VCC_2V8
**
GPIO23
55
56
USB-DM
VPADUSB
I/O
USB Data
I/O
VCC_2V8
**
GPIO22
57
58
GPIO24
VCC_2V8
I/O
Keypad
column 0
I/O
VCC_1V8
GPIO4
COL0
59
60
COL1
GPIO5
VCC_1V8
I/O
Keypad
column 1
Keypad
column 2
I/O
VCC_1V8
GPIO6
COL2
61
62
COL3
GPIO7
VCC_1V8
I/O
Keypad
column 3
Keypad
column 4
I/O
VCC_1V8
GPIO8
COL4
63
64
ROW4
GPIO13
VCC_1V8
I/O
Keypad Row
Keypad
Row 3
I/O
VCC_1V8
GPIO12
ROW3
65
66
ROW2
GPIO11
VCC_1V8
I/O
Keypad Row
Keypad
Row 1
I/O
VCC_1V8
GPIO10
ROW1
67
68
ROW0
GPIO9
VCC_1V8
I/O
Keypad Row
Main RS232
Ring
Indicator
VCC_2V8
GPIO42
~CT125RI
69
70
~CT109DCD1
GPIO43
VCC_2V8
Main RS232
Data Carrier
Detect
Main RS232
Transmit
VCC_2V8
GPIO36
CT103TXD1
71
72
~CT105RTS1
GPIO38
VCC_2V8
Main RS232
Request To
Send
Main RS232
Receive
VCC_2V8
GPIO37
CT104RXD1
73
74
~CT107DSR1
GPIO40
VCC_2V8
Main RS232
Data Set
Ready
Main RS232
Clear To
Send
VCC_2V8
GPIO39
~CT106CTS1
75
76
~CT1082-DTR1
GPIO41
VCC_2V8
Main RS232
Data
Terminal
Ready
PCM Frame
Synchro
VCC_1V8
PCMSYNC
77
78
PCM-IN
VCC_1V8
PCM Data
Input
PCM Clock
VCC_1V8
PCMCLK
79
80
PCMOUT
VCC_1V8
PCM Data
Output
NC-1
81
82
Reserved
NC-3
83
84
NC-2
NC-5
85
86
NC-4
Interruption
1 Input
GPIO3
Page : 69 / 87
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Signal Name
Description
I/O*
Voltage
Mux
Nominal
Pin
Number
Signal Name
Voltage
Nominal
NC-7
87
88
NC-6
NC-9
89
90
NC-8
NC-11
91
92
NC-10
NC-13
93
94
NC-12
NC-15
95
96
NC-14
NC-17
97
98
NC-16
NC-19
99
100
NC-18
I/O*
Description
Mux
The I/O direction information is concerning only the nominal signal. When the signal is
configured in GPIO, it can always be an Input or an Output.
**
For more information about the multiplexing of those signals, see “General purpose input
/output” chapter 3.9
Page : 70 / 87
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4.2 Environmental Specifications
Wavecom specify following temperature range Q2686 product
The Wismo Quik Q2686 is compliant with following operating class
Conditions
Operating / Class A
Operating / Storage / Class B
Temperature range
-20 °C to +55°C
-40 °C to +85°C
Function Status Classification:
Class A:
The Wireless CPU remains fully functional, meeting GSM performance criteria
in accordance with ETSI requirements, across the specified temperature range.
Class B:
The Wireless CPU remains fully functional, across the specified temperature
range.
Some GSM parameters may occasionally deviate from the ETSI
specified requirements and this deviation does not affect the ability of the
Wireless CPU to connect to the cellular network and function fully, as it does
within the Class A range.
Q2686
ENVIRONNEMENTAL CLASSES
TYPE OF TEST
STANDARDS
STORAGE
Class 1.2
TRANSPORTATION
Class 2.3
Cold
IEC 68-2.1
Ab test
-25° C
72 h
-40° C
72 h
-20° C (GSM900)
-10° C (GSM1800/1900)
16 h
16h
Dry heat
IEC 68-2.2
Bb test
+70° C
72 h
+70° C
72 h
+55° C
16 h
Change of temperature
IEC 68-2.14
Na/Nb test
Damp heat
cyclic
IEC 68-2.30
Db test
+30° C
2 cycles
90% - 100% RH
variant 1
+40° C
2 cycles
90% - 100% RH
variant 1
+40° C
2 cycles
90% - 100% RH
variant 1
Damp heat
IEC 68-2.56
Cb test
+30° C
+40° C
+40° C
Sinusoidal vibration
IEC 68-2.6
Fc test
5 - 62 Hz :
5 mm / s
62 - 200Hz :
2 m / s2
3 x 5 sweep cycles
Random vibration
wide band
IEC 68-3.36
Fdb test
-40° / +30° C
4 days
5 cycles
t1 = 3 h
4 days
5 - 20 Hz :
0.96 m2 / s3
20 - 500Hz :
- 3 dB / oct
3 x 10 min
OPERATING (PORT USE)
Class 7.3
-20° / +30° C (GSM900) 3 cycles
-10° / +30° C (GSM1800/1900):
3 cycles
t1 = 3 h
4 days
10 -12 Hz :
0.96 m2 / s3
12 - 150Hz :
- 3 dB / oct
3 x 30 min
Page : 71 / 87
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Figure 14 : Environmental classes
Page : 72 / 87
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4.3 Mechanical specifications
4.3.1 Physical characteristics
The WISMO Quik Q2686 Wireless CPU has a complete self-contained shield.
Overall dimensions
Weight
:32.2x40x4 mm (except shielding pins)
: <10 g
4.3.2 Mechanical drawings
The next page gives the mechanical specifications of WISMO Quik Q2686.
Page : 73 / 87
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Figure 15 : Mechanical drawing
Page : 74 / 87
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5 Connectors and peripheral devices
references
5.1 General Purpose Connector
The GPC is a 100-pin connector with 0.5mm pitch of P5K series from
PANASONIC group with the following reference :
AXK69510002
The matting connector has the following reference :
AXK59510001
The stacking height is 3.0 mm.
WAVECOM recommends to you to used the AXK59510001 connector for your
application to profit of WAVECOM’s prices. For more information, contact
WAVECOM by specifying the WAVECOM connector reference : WM17077.
For further details see GPC data sheets in appendix. More information is also
available from http://www.panasonic.com/host/industrl.html
5.2 SIM Card Reader
ITT CANNON CCM03 series (see http://www.ittcannon.com )
AMPHENOL C707 series (see http://www.amphenol.com )
JAE (see http://www.jae.com )
Drawer type :
MOLEX 99228-0002 (connector) / MOLEX 91236-0002 (holder) (see
http://www.molex.com )
5.3 Microphone
Possible suppliers :
HOSIDEN
PANASONIC
PEIKER
Page : 75 / 87
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5.4 Speaker
Possible suppliers :
SANYO
HOSIDEN
PRIMO
PHILIPS
5.5 Antenna Cable
A wide variety of cables fitted with UF-L connectors is proposed by HIROSE :
UF-L pigtails, Ex :Ref = U.FL-2LP(V)-04-A-(100)
UF-L
UF-L cable assemblies,
Between series cable assemblies.
Ref = U.FL-R-SMT
More information is also available from http://www.hirose-connectors.com/.
A coaxial cable can be also soldered on the RF pad. The following reference
has been qualified for being mounted on WISMO Quik Q2686:
RG178
RG316
5.6 RF Board to board connector
The supplier for the IMP connector is Radiall (http://www.radiall.com)
with the following reference :
R107 064 900.
5.7 GSM antenna
GSM antennas and support for antenna adaptation can be obtained from
manufacturers such as:
ALLGON (http://www.allgon.com )
IRSCHMANN (http://www.hirschmann.com/ )
Page : 76 / 87
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6 Design Guidelines
The purpose of the following paragraphs is to give design guidelines.
6.1 HARDWARE and RF
6.1.1 EMC recommendations
The EMC tests have to be performed as soon as possible on the application to
detect any possible problem.
When designing, special attention should be paid to:
Possible spurious emission radiated by the application to the RF receiver
in the receiver band
ESD protection is mandatory on all signals which have external
accessibility ( typically human accessibility ). See WISMO Quik Q2686
Customer Design Guidelines WM_PRJ_Q2686_PTS_003 [2] for ESD
protection samples.
Typically ESD protection is mandatory for :
SIM (if accessible from outside)
serial link,…
EMC protection
emissions)
on
audio
input/output
(filters
against
900MHz
Biasing of the microphone inputs
Length of the SIM interface lines (preferably <10cm)
Ground plane : WAVECOM recommends to have a common ground
plane for analog / digital / RF grounds.
Metallic case or plastic casing with conductive paint are recommended
Note :
The Wireless CPU does not include any protection against overvoltage.
6.1.2 Power Supply
The power supply is one of the key issues in the design of a GSM terminal.
A weak power supply design could affect in particular :
EMC performances
the emissions spectrum
the phase error and frequency error
WARNING:
Careful attention should be paid to :
Page : 77 / 87
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Quality of the power supply : low ripple, PFM or PSM systems should be
avoided (PWM converter preferred).
Capacity to deliver high current peaks in a short time (pulsed radio
emission).
6.1.3 Layout requirement
Page : 78 / 87
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Figure 16 : Layout requirement
Page : 79 / 87
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6.1.4 Antenna
WARNING:
Wavecom strongly recommends to work with an antenna manufacturer either
to develop an antenna adapted to the application or to adapt an existing
solution to the application.
Both the mechanical and electrical antenna adaptation is one of the key issues
in the design of the GSM terminal.
6.2 Mechanical integration
Attention should be paid to :
Antenna cable integration (bending, length, position, etc)
Legs of the Wireless CPU to be soldered on the Ground plane
6.3 Operating System upgrade
The WISMO Quik Q2686 Operating System is stored in flash memory and it
can easily be upgraded.
IMPORTANT:
In order to follow the regular evolutions of the GPRS standard and to offer state
of the art Operating System, Wavecom recommends that the application
designed around a WISMO (or WISMO based product) allows easy Operating
System upgrades on the Wireless CPU via the standard Xmodem protocol.
Therefore, the application shall either allow a direct access to the WISMO serial
link through an external connector or implement any mechanism allowing the
WISMO Operating System to be downloaded via Xmodem.
The Operating System file can be downloaded into the modem using the
Xmodem protocol. AT+WDWL command allows to launch the download
process (see description in the AT command User Guide.
The necessary serial signals to proceed with the Xmodem downloading are:
Rx, Tx, RTS, CTS and GND.
The Operating System file can be also downloaded into the modem using the
DOTA (download over the air) feature. This feature is available with Open AT®
interface. For more detail, please, refer to the Open AT® documentation.
Page : 80 / 87
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7 Appendix
7.1 Standards and Recommendations
GSM ETSI, 3GPP, GCF and NAPRD03 recommendations for Phase II & FCC.
Specification Reference
Title
3GPP TS 45.005
v5.5.0 Technical Specification Group GSM/EDGE. Radio
(2002-08) Release 5
Access Network; Radio transmission and reception
GSM 02.07 V8.0.0 (1999- Digital cellular telecommunications system (Phase 2+);
07)
Mobile Stations (MS) features (GSM 02.07 version
8.0.0 Release 1999)
GSM 02.60 V8.1.0 (1999- Digital cellular telecommunications system (Phase 2+);
07)
General
Packet
Radio
Service
(GPRS);
Service
description, Stage 1 (GSM 02.60 version 8.1.0 Release
1999)
GSM 03.60 V7.9.0 (2002- Technical Specification Group Services and System
09)
Aspects;
Digital cellular telecommunications system (Phase 2+);
General
Packet
Radio
Service
(GPRS);
Service
description; Stage 2 (Release 1998)
3GPP TS
(2002-04)
43.064
V5.0.0 Technical Specification Group GERAN; Digital cellular
telecommunications system (Phase 2+); General Packet
Radio Service (GPRS); Overall description of the GPRS
radio interface; Stage 2 (Release 5)
3GPP TS
(2002-08)
03.22
V8.7.0 Technical Specification Group GSM/EDGE. Radio
Access Network; Functions related to Mobile Station
(MS) in idle mode and group receive mode; (Release
1999)
3GPP TS
(2001-12)
03.40
V7.5.0 Technical Specification Group Terminals;
Technical realization of the Short Message Service
(SMS)
(Release 1998)
3GPP TS
(2000-09)
03.41
V7.4.0 Technical Specification Group Terminals; Technical
realization of Cell Broadcast Service (CBS) (Release
1998)
ETSI EN 300 903 V8.1.1 Digital cellular telecommunications system (Phase 2+);
(2000-11)
Transmission planning aspects of the speech service in
the GSM
Public Land Mobile Network (PLMN) system (GSM
03.50 version 8.1.1 Release 1999)
Page : 81 / 87
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Specification Reference
3GPP TS
(2002-05)
3GPP TS
(2002-09)
04.06
04.08
Title
V8.2.1 Technical Specification Group GSM/EDGE Radio Access
Network; Mobile Station - Base Station System (MS BSS) interface; Data Link (DL) layer specification
(Release 1999)
V7.18.0 Technical Specification Group Core Network;
Digital cellular telecommunications system (Phase 2+);
Mobile radio interface layer 3 specification (Release
1998)
3GPP TS
(2001-12)
04.10
3GPP TS
(2000-09)
04.11
V7.1.0 Technical Specification Group Core Networks;
Mobile radio interface layer 3 Supplementary services
specification; General aspects (Release 1998)
V7.1.0 Technical Specification Group Core Network; Digital
cellular
telecommunications
system
(Phase 2+);
Point-to-Point (PP) Short Message Service (SMS)
support on mobile radio interface
(Release 1998)
3GPP TS 45.005
(2002-08)
v5.5.0 Technical Specification Group GSM/EDGE. Radio
Access Network; Radio transmission and reception
(Release 5)
3GPP TS
(2002-08)
45.008
V5.8.0 Technical Specification Group GSM/EDGE
3GPP TS
(2002-08)
45.010
3GPP TS
(2002-06)
46.010
Radio Access Network; Radio subsystem link control
(Release 5)
V5.1.0 Technical Specification Group GSM/EDGE
Radio
Access
Network;
Radio
synchronization (Release 5)
subsystem
V5.0.0 Technical Specification Group Services and System
Aspects;
Full rate speech; Transcoding (Release 5)
3GPP TS
(2002-06)
46.011
V5.0.0 Technical Specification Group Services and System
Aspects;
Full rate speech; Substitution and muting of lost
frames for
full rate speech channels (Release 5)
3GPP TS
(2002-06)
46.012
V5.0.0 Technical Specification Group Services and System
Aspects;
Full rate speech; Comfort noise aspect for full rate
speech traffic channels (Release 5)
Page : 82 / 87
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Specification Reference
3GPP TS
(2002-06)
46.031
Title
V5.0.0 Technical Specification Group Services and System
Aspects;
Full rate speech; Discontinuous Transmission (DTX) for
full rate speech traffic channels (Release 5)
3GPP TS
(2002-06)
46.032
V5.0.0 Technical Specification Group Services and System
Aspects;
Full rate speech; Voice Activity Detector (VAD) for full
rate speech traffic channels (Release 5)
TS 100 913V8.0.0 (1999- Digital cellular telecommunications system (Phase 2+);
08)
General on Terminal Adaptation Functions (TAF) for
Mobile Stations (MS) (GSM 07.01 version 8.0.0
Release 1999)
GSM 09.07 V8.0.0 (1999- Digital cellular telecommunications system (Phase 2+);
08)
General requirements on interworking between the
Public Land Mobile Network (PLMN) and the
Integrated Services Digital Network (ISDN) or Public
Switched Telephone Network (PSTN) (GSM 09.07
version 8.0.0 Release 1999)
3GPP TS 51.010-1 v5.0.0 Technical Specification Group GSM/EDGE ; Radio
Access Network ;Digital cellular telecommunications
(2002-09)
system (Phase 2+);Mobile Station (MS) conformance
specification; Part 1: Conformance specification
(Release 5)
3GPP TS 51.011 V5.0.0 Technical Specification Group Terminals; Specification
of the Subscriber Identity Module - Mobile Equipment
(2001-12)
(SIM - ME) interface (Release 5)
ETS 300 641 (1998-03)
Digital cellular telecommunications system (Phase 2);
Specification of the 3 Volt Subscriber Identity Module Mobile Equipment (SIM-ME) interface (GSM 11.12
version 4.3.1)
GCF-CC V3.7.1 (2002-08)
Global Certification Forum – Certification criteria
NAPRD03 V2.6.0 (2002-06) North America Permanent Reference Document for
PTCRB tests
The Q2686 Wireless CPU connected on a development kit board application is
certified to be in accordance with the following Rules and Regulations of the
Federal Communications
Commission (FCC).
Power listed on the Gant is conducted for Part 22 and conducted for Part 24
This device contains GSM, GPRS Class 10 functions in the 900
Page : 83 / 87
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and 1800MHz Band which are not operational in U.S. Territories.
This device is to be used only for mobile and fixed applications. The antenna(s)
used
for this transmitter must be installed to provide a separation distance of at
least 20cm
from all persons and must not be co-located or operating in conjunction with
any other
antenna or transmitter.
Users and installers must be provided with antenna installation instructions
and transmitter
operating conditions for satisfying RF exposure compliance.
Antennas used for this OEM module must not exceed 3.3dBi gain for PCS
1900 MHz
and 6dBd(8.14dBi) GSM 850 MHz for mobile and fixed operating
configurations. This device is
approve as a module to be installed in other devices.
Installed in other portable devices, the exposure conditions required a separate
equipment authorization.
The license module had a FCC ID label on the module itself. The FCC ID label
must be visible
through a window or it must be visible when an access panel, door or cover is
easily removed.
If not, a second label must be placed on the outside of the device that contains
the following text:
Contains FCC ID: O9EQ2686
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two
conditions: (1) this device may not cause harmful interference, and (2) this
device must
accept any interference received, including interference that may cause
undesired operation.
IMPORTANT: Manufacturers of mobile or fixed devices incorporating Q2686
Wireless CPU are advised to
• clarify any regulatory questions,
• have their completed product tested,
• have product approved for FCC compliance, and
• include instructions according to above mentioned RF exposure statements
in end product user manual.
Please note that changes or modifications not expressly approved by the party
responsible
for compliance could void the user’s authority to operate the equipment.
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7.2 Safety recommendations (for information only)
IMPORTANT
FOR THE EFFICIENT AND SAFE OPERATION OF YOUR GSM APPLICATION
BASED ON WISMO Quik Q2686
PLEASE READ THIS INFORMATION CAREFULLY
7.2.1 RF safety
7.2.1.1
General
Your GSM terminal1 is based on the GSM standard for cellular technology. The
GSM standard is spread all over the world. It covers Europe, Asia and some
parts of America and Africa. This is the most used telecommunication
standard.
Your GSM terminal is actually a low power radio transmitter and receiver. It
sends out and receives radio frequency energy. When you use your GSM
application, the cellular system which handles your calls controls both the
radio frequency and the power level of your cellular modem.
7.2.1.2
Exposure to RF energy
There has been some public concern about possible health effects of using
GSM terminals. Although research on health effects from RF energy has
focused on the current RF technology for many years, scientists have begun
research regarding newer radio technologies, such as GSM. After existing
research had been reviewed, and after compliance to all applicable safety
standards had been tested, it has been concluded that the product was fitted
for use.
If you are concerned about exposure to RF energy there are things you can do
to minimize exposure. Obviously, limiting the duration of your calls will reduce
your exposure to RF energy. In addition, you can reduce RF exposure by
operating your cellular terminal efficiently by following the below guidelines.
7.2.1.3
Efficient terminal operation
For your GSM terminal to operate at the lowest power level, consistent with
satisfactory call quality :
If your terminal has an extendible antenna, extend it fully. Some models allow
you to place a call with the antenna retracted. However your GSM terminal
operates more efficiently with the antenna fully extended.
Do not hold the antenna when the terminal is « IN USE ». Holding the antenna
affects call quality and may cause the modem to operate at a higher power
level than needed.
based on WISMO2D
Page : 85 / 87
confidential ©
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged
without prior written agreement.
Ce document est la propriété exclusive de WAVECOM. Il ne peut être communiqué ou divulgué à
des tiers sans son autorisation préalable.
WM_PRJ_Q2686_PTS_001
April 4th 2006
7.2.1.4
Antenna care and replacement
Do not use the GSM terminal with a damaged antenna. If a damaged antenna
comes into contact with the skin, a minor burn may result. Replace a damaged
antenna immediately. Consult your manual to see if you may change the
antenna yourself. If so, use only a manufacturer-approved antenna. Otherwise,
have your antenna repaired by a qualified technician.
Use only the supplied or approved antenna. Unauthorized antennas,
modifications or attachments could damage the terminal and may contravene
local RF emission regulations or invalidate type approval.
7.2.2 General safety
7.2.2.1
Driving
Check the laws and the regulations regarding the use of cellular devices in the
area where you have to drive as you always have to comply with them. When
using your GSM terminal while driving, please :
give full attention to driving,
pull off the road and park before making or answering a call if driving
conditions so require.
7.2.2.2
Electronic devices
Most electronic equipment, for example in hospitals and motor vehicles is
shielded from RF energy. However RF energy may affect some improperly
shielded electronic equipment.
7.2.2.3
Vehicle electronic equipment
Check your vehicle manufacturer representative to determine if any on-board
electronic equipment is adequately shielded from RF energy.
7.2.2.4
Medical electronic equipment
Consult the manufacturer of any personal medical devices (such as
pacemakers, hearing aids, etc...) to determine if they are adequately shielded
from external RF energy.
Turn your terminal OFF in health care facilities when any regulations posted in
the area instruct you to do so. Hospitals or health care facilities may be using
RF monitoring equipment.
Page : 86 / 87
confidential ©
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged
without prior written agreement.
Ce document est la propriété exclusive de WAVECOM. Il ne peut être communiqué ou divulgué à
des tiers sans son autorisation préalable.
WM_PRJ_Q2686_PTS_001
April 4th 2006
7.2.2.5
Aircraft
Turn your terminal OFF before boarding any aircraft.
Use it on the ground only with crew permission.
Do not use it in the air.
To prevent possible interference with aircraft systems, Federal Aviation
Administration (FAA) regulations require you to have permission from a crew
member to use your terminal while the aircraft is on the ground. To prevent
interference with cellular systems, local RF regulations prohibit using your
modem while airborne.
7.2.2.6
Children
Do not allow children to play with your GSM terminal. It is not a toy. Children
could hurt themselves or others (by poking themselves or others in the eye
with the antenna, for example). Children could damage the modem, or make
calls that increase your modem bills.
7.2.2.7
Blasting areas
To avoid interfering with blasting operations, turn your unit OFF when in a
« blasting area » or in areas posted : « turn off two-way radio ». Construction
crew often use remote control RF devices to set off explosives.
7.2.2.8
Potentially explosive atmospheres
Turn your terminal OFF when in any area with a potentially explosive
atmosphere. It is rare, but your modem or its accessories could generate
sparks. Sparks in such areas could cause an explosion or fire resulting in
bodily injuries or even death.
Areas with a potentially explosive atmosphere are often, but not always, clearly
marked. They include fuelling areas such as petrol stations ; below decks on
boats ; fuel or chemical transfer or storage facilities ; and areas where the air
contains chemicals or particles, such as grain, dust, or metal powders.
Do not transport or store flammable gas, liquid, or explosives, in the
compartment of your vehicle which contains your terminal or accessories.
Before using your terminal in a vehicle powered by liquefied petroleum gas
(such as propane or butane) ensure that the vehicle complies with the relevant
fire and safety regulations of the country in which the vehicle is to be used.
Page : 87 / 87
confidential ©
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged
without prior written agreement.
Ce document est la propriété exclusive de WAVECOM. Il ne peut être communiqué ou divulgué à
des tiers sans son autorisation préalable.
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