SAGEMCOM BROANDS HIALLNC GSM/GPRS/GNSS Module User Manual HiAllNC

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HiAllNC User Manual
HiAllNC User Manual
2012/06/28
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SOMMAIRE / CONTENTS
OVERVIEW...................................................................................................................................................................5
1.1
OBJECT OF THE DOCUMENT.........................................................................................................................5
1.2
REFERENCE DOCUMENTS.............................................................................................................................5
1.3
DOCUMENT MODIFICATIONS ........................................................................................................................5
1.4
CONVENTIONS ...................................................................................................................................................5
1.5
TERMS AND ABBREVIATION ..........................................................................................................................5
2. BLOCK DIAGRAM.......................................................................................................................................................7
3. FUNCTIONAL INTEGRATION...................................................................................................................................8
3.1
POWER DOMAIN ................................................................................................................................................8
3.2
SIM CARD...........................................................................................................................................................12
3.2.1
Internal SIM card........................................................................................................................................12
3.2.2
External SIM card connection ..................................................................................................................12
3.2.3
SIM CARD priority......................................................................................................................................13
3.3
AUDIOS...............................................................................................................................................................14
3.3.1
Analogue audio connection ......................................................................................................................14
3.3.1.1 Connecting microphone and speaker ........................................................................................................14
3.3.1.1.1
Notes for microphone ...........................................................................................................................14
3.3.1.1.2
Notes for speaker ..................................................................................................................................15
3.3.1.2 Recommended characteristics for the microphone and speaker ...............................................................16
3.3.1.2.1
Recommended characteristics for the microphone ...............................................................................16
3.3.1.2.2
Recommended characteristics for the speaker ......................................................................................16
3.3.1.3 DTMF OVER GSM network....................................................................................................................17
3.3.2
Digital PCM Audio ......................................................................................................................................17
3.4
POWER SUPPLY ..............................................................................................................................................18
3.4.1
Burst conditions ..........................................................................................................................................18
3.4.2
Ripples and drops ......................................................................................................................................19
3.4.3
EXAMPLE OF POWER SUPPLIES ........................................................................................................19
3.4.3.1
DC/DC Power supply from a USB or PCMCIA port..........................................................................19
3.4.3.2
Simple high current low dropout voltage regulator............................................................................20
3.4.3.3
Simple 4V boost converter....................................................................................................................20
3.4.4
Avoid side effects of a retro supply (current re-injection) ............................................................................21
3.5
UARTS.................................................................................................................................................................22
NC
3.5.1
Complete V24 connection of HiAll to host ..........................................................................................23
3.5.2
Complete V24 interface with PC..............................................................................................................24
3.5.3
Partial V24 (RX-TX-RTS-CTS) connection of HiAllNC to host............................................................25
NC
3.5.4
Partial V24 (RX-TX) – connection HiAll - host ...................................................................................26
3.6
SPI ........................................................................................................................................................................27
3.7
GPIOS .................................................................................................................................................................27
3.8
ADCS ...................................................................................................................................................................28
3.9
BACKUP BATTERY ..........................................................................................................................................28
3.9.1
Backup battery function features .............................................................................................................28
3.9.2
Current consumption on the backup battery ..........................................................................................28
NC
3.9.3
Internal HiAll charging function.............................................................................................................28
3.9.4
Capacitor backup battery technology......................................................................................................29
4. UNUSED PINS POLICY .............................................................................................................................................30
5. SCALABILITY WITH HILONC-3GPS ........................................................................................................................32
6. POWER MANAGEMENT ..........................................................................................................................................35
6.1
POWER MODES ...............................................................................................................................................35
6.2
MODULE POWER-UP ......................................................................................................................................35
6.2.1
Power-up with POK_IN signal..................................................................................................................35
6.2.2
IO DC Presence before Power on ...........................................................................................................36
6.2.3
MODULE RESET.......................................................................................................................................36
6.3
POWER ON AND SLEEP DIAGRAMS ..........................................................................................................37
6.4
MODULE POWER OFF ....................................................................................................................................40
6.5
MODULE SLEEP MODE ..................................................................................................................................41
7. ESD & EMC RECOMMENDATIONS .......................................................................................................................42
NC
7.1
HiAll MODULE ................................................................................................................................................42
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7.2
Module handling .................................................................................................................................................42
NC
7.3
Customer’s product with HiAll ......................................................................................................................42
7.4
Analysis ...............................................................................................................................................................42
7.5
Recommendations to avoid ESD issues ........................................................................................................42
8. RADIO INTEGRATION..............................................................................................................................................43
8.1
GSM antenna connection......................................................................................................................................43
8.2
GNSS antenna connection ...................................................................................................................................43
8.2.1
Reference schematics...............................................................................................................................43
8.2.2
Antenna detection ......................................................................................................................................44
8.3
RADIO LAYOUT DESIGN ................................................................................................................................44
9. AUDIO INTEGRATION .............................................................................................................................................45
9.1
MECHANICAL INTEGRATION AND ACOUSTICS ......................................................................................45
9.2
ELECTRONICS AND LAYOUT .......................................................................................................................45
10.
LAYOUT RECOMMENDATIONS ON CUSTOMER BOARD ............................................................................47
10.1
GENERAL RECOMMENDATIONS ON LAYOUT.....................................................................................47
10.1.1 Ground.........................................................................................................................................................47
10.1.2 Power supplies ...........................................................................................................................................47
10.1.3 Clocks ..........................................................................................................................................................48
10.1.4 Data bus and other signals .......................................................................................................................48
10.1.5 Radio............................................................................................................................................................48
10.1.6 Audio ............................................................................................................................................................48
10.2
EXAMPLE OF LAYOUT FOR CUSTOMER’S BOARD............................................................................49
11.
LABEL .....................................................................................................................................................................49
12.
FCC LEGAL INFORMATION................................................................................................................................49
12.1
FCC REGULATIONS ....................................................................................................................................49
12.2
RF EXPOSURE INFORMATION.................................................................................................................50
12.3
IC REGULATIONS.........................................................................................................................................50
HiAllNC User Manual
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FIGURES LIST
Figure 1: HiAllNC Block diagram .............................................................................................................................................7
Figure 2: Typical SIM schematic ...........................................................................................................................................12
Figure 3: SIM card signals......................................................................................................................................................12
Figure 4: SIM schematic with protection serial resistors & EXT_SIM_DET signal..............................................................13
Figure 5: Analogue audio connection.....................................................................................................................................14
Figure 6: Filter and ESD protection of microphone ...............................................................................................................15
Figure 7: Filter and ESD protection of 32 ohms speaker........................................................................................................15
Figure 8: Example of D class TPA2010D1 1Watt audio amplifier connections ....................................................................16
Figure 9: PCM interface timing..............................................................................................................................................18
Figure 10: GSM/GPRS Burst Current rush ............................................................................................................................18
Figure 11: GSM/GPRS Burst Current rush and VBAT drops and ripples...............................................................................19
Figure 12: DC/DC power supply schematic example.............................................................................................................20
Figure 13: Example of power supply based on regulator MIC29302WU ..............................................................................20
Figure 14: Example with Linear LT1913 ...............................................................................................................................21
Figure 15: Complete V24 connection of HiAllNC to host processor .....................................................................................23
Figure 16: UART1_CTS versus POK_IN signal during the power on sequence. ..................................................................23
Figure 17: Connection to a data cable ....................................................................................................................................24
Figure 18: Example of a connection to a data cable with a MAX3238E................................................................................25
Figure 19: Partial V24 connection (4 wires) of HiAllNC to host processor .............................................................................25
Figure 20: Partial V24 connection (2 wires) of HiAllNC to host processor .............................................................................26
Figure 21: SPI HE10 pin – TOP VIEW..................................................................................................................................27
Figure 22: internal charging of backup battery or 10uF capacitor..........................................................................................29
Figure 23: Reset command of the HiAllNC by an external GPIO............................................................................................36
Figure 24: Diagram for the power on .....................................................................................................................................38
Figure 25: Diagram for the sleep mode ..................................................................................................................................39
Figure 26: Power supply command by a GPIO ......................................................................................................................40
Figure 27: Power OFF sequence for POK_IN, VGPIO and CTS...........................................................................................40
Figure 28: GSM antenna connection schematic .....................................................................................................................43
Figure 29: GNSS active antenna connection schematic .........................................................................................................44
Figure 30: Layout of audio differential signals on a layer n ...................................................................................................48
Figure 31: Adjacent layers of audio differential signals .........................................................................................................48
Figure 32: 6 layers PCB stack-up ...........................................................................................................................................49
HiAllNC User Manual
2012/06/28
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1 OVERVIEW
1.1 OBJECT OF THE DOCUMENT
The aim of this document is to provide technical guidelines to help the customer to design solutions based on
NC
HiAll module.
1.2 REFERENCE DOCUMENTS
NC
[1] URD1 5717.1 004 72589 - HiAll Technical Specification
[2] URD1 5635.1 008 70248 - AT Command Set for SAGEMCOM Modules
[3] URD1 5635.1 118 72618 – Radio Application Note for Hilo Modules
NC
[4] URD1 5696 3 001 72497 - HiLo -3GPS Technical Specification
1.3 DOCUMENT MODIFICATIONS
The information presented in this document should be accurate and reliable. However Sagemcom assumes no
responsibility for its use, nor any infringement of patents or other third party rights which may result from its use.
This document is subject to change without notice.
1.4 CONVENTIONS
NC
SIGNAL NAME: All signal names written on the pins of the HiAll
module are in italics.
Specific attention must be granted to the information given here.
1.5 TERMS AND ABBREVIATION
ADC
CODEC
CLIP
COLP
CLIR
COLR
CTS
CSD
CS
DCS
DSR
DTR
EDGE
EGSM
ENS
EONS
ESD
ETS
FTA
GLONASS
GNSS
GSM
GPRS
GPS
HiAllNC User Manual
Analog to Digital Converter
Coder-Decoder
Calling Line Identification Presentation
Connected Line Identification Presentation
Calling Line Identification Restriction
Connected Line Identification Restriction
Clear To Send
Circuit Switched Data
Codec Scheme
Digital Communications System
Data Set Ready
Data Terminal Ready
Enhanced Data Rate for GSM Evolution
Extended GSM
Enhanced network selection
Enhanced operator name string
Electrostatic Discharge
European Telecommunication Standard
Full Type Approval
GLObal NAvigation Satellite System
Global aeronautical Navigation Satellite System
Global System for Mobile communication
General Packet Radio Services
Global Positioning System
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HBM
HDOP
HSCSD
HSDPA
HSUPA
HSPA+
IC
IEEE
I/O
ISO
ITU
IVS
JTAG
Kbps
LCD
LED
LTO
Mbps
MSD
NAD
PBCCH
PCB
PCM
PCS
PSAP
PWM
RAM
RF
RI
RMS
RTS
RX
SIM
SMS
SV
TBC
TTFF
TX
UART
UMTS
USB
USSD
VAD
VM
HiAllNC User Manual
Human Body Model
Horizontal Dilution Of Precision
High Speed Circuit Switched Data
High Speed Downlink Packet Access
High Speed Uplink Packet Access
Evolved High-Speed Packet Access
Integrated Circuit
Institute of Electrical and Electronics Engineers
Input / Output
International Standards Organization
International Telecommunication Union
In-Vehicle System
Joint Test Action Group
kilobit per second
Liquid Crystal Display
Light Emitting Diode
Long Term Orbits
Megabit per second
Minimum Set of Data
Network Access Device
Packet Broadcast Channel
Printed Circuit Board
Pulse Code Modulation
Personal Communication System
Public Safety Answering Point
Pulse Width Modulation
Random Access Memory
Radio Frequency
Ring Indication
Root Mean Square
Ready To Send
Reception
Subscriber Identification Module
Short Message Service
Satellite Vehicle
To Be Clarified
Time To First Fix
Transmission
Universal Asynchronous Receiver and Transmitter
Universal Mobile Telecommunications System
Universal Serial Bus
Unstructured Supplementary Service Data
Vehicle Access Device
Virtual Machine
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2.
BLOCK DIAGRAM
Memory
(Flash + RAM)
VBAT
GND
VGPIO
VBACKUP
HiAllNC Baseband
850
900
GPIO x6
ADC x2
DATA
JAVA apps
SAW
Filters
1800
1900
UART1 8pins
UART0 4pins
SPI
JTAG
PCM
MIC_IN
HSET_OUT
HiAllNC
GSM
PA
Switch
RF
2G_TX_
IND
VM
eCall library
GNSS
library
LNA
RF
CTRL
GNSS
GSM Baseband
IC SIM
SAW
Filter
RF
EXT_LNA_EN
DATA
PPS
EXT SIM
16.369MHz
26MHz
32.768KHz
NC
Figure 1: HiAll
HiAllNC User Manual
Block diagram
2012/06/28
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3.
FUNCTIONAL INTEGRATION
3.1 POWER DOMAIN
NC
HiAll
module has several power domains as defined below.
•
•
•
•
•
•
•
SIM I/Os
VBACKUP
Digital IOs
VBAT
MIC_IN
HSET_OUT
ADC
1.8V or 2.9V
3V
2.8V
3.3V to 4.5V
2.85V
same as VBAT
2.85V
The table below summarizes the power domain for each I/O:
Pad
number
Pad name
Pad type
Description
Supply
voltage
domain
Note 1
GND
GND
GND
RF
GND
GND
GND
GND
GND
GND
GND
GSM RF IN/OUT
GND
GND
GND
GND
RESERVED
(3G compatibility)
RESERVED
(3G compatibility)
10
11
12
GND
GND
GND
RF_GSM
GND
GND
GND
GND
RESERVED
(3G
compatibility)
GND
RF_GPS
GND
GND
GPS RF IN
GND
13
PPS
Digital output buffer
14
15
16
17
18
19
Digital output buffer
Digital input buffer
Digital input buffer
Digital input buffer
Digital output buffer
Digital output buffer
RESERVED
(3G compatibility)
RESERVED
(3G compatibility)
21
22
UART1_DTR
UART1_DSR
UART1_CTS
UART1_RX
UART0_TX
UART0_RTS
RESERVED
(3G
compatibility)
PCM_CLK
PCM_SYNC
GND
GPS RF input
GND
GPS synchro
Pulse Per Second
UART data terminal ready
UART1 data set ready
UART1 clear to send
UART1 receive
UART0 transmit
UART0 ready to send
Digital bi-directional buffer
Digital bi-directional buffer
23
HSET_N
Analog output
24
HSET_P
Analog output
25
MIC_P
Analog input
Digital audio clock
Digital audio sync
Differential output to
earphone 32 ohms
Differential output to
earphone 32 ohms
Differential input from
20
NC
HiAll
User Manual
0V
0V
0V
0V
0V
0V
0V
0V
0V
2.8V
2.8V
2.8V
2.85V
2.85V
2.85V
2.8V
2.85V
2.85V
3.7V
3.7V
2.85V
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26
MIC_N
Analog input
27
RESET
Digital input
28
VBACKUP
Power supply input/output
29
VBAT
Power supply input
30
ADC1
Analog input
31
ADC0
Analog input
32
33
34
35
POK_IN
SIM_VCC
SIM_DATA
SIM_CLK
Digital input
Power supply output
Digital bi-directional buffer
Digital output buffer
36
GPIO1
Digital bi-directional buffer
37
SPI_IRQ
Digital input buffer
RESERVED
(futur use)
GPS_EXT_LN
A_EN
RESERVED
(futur use)
microphone
Differential input from
microphone
Module Reset
Backup battery power
supply
+3.7V power supply
(nominal)
Analog input to digital
converter
Analog input to digital
converter
Module power on signal
SIM power supply
SIM data
SIM clock
General purpose
input/output 1
Serial peripheral interface.
To be connected for debug
purpose.
RESERVED
(futur use)
Digital output buffer
GPS LNA Enable
40
GPIO2
Digital bi-directional buffer
41
GPIO3
Digital bi-directional buffer
42
TRST
Digital bi-directional buffer
43
VBAT_PA
Power supply input for PA
44
VBAT_PA
Power supply input for PA
45
46
47
48
49
50
51
52
53
54
55
56
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
57
VBAT
Power supply input
58
59
60
61
62
63
64
UART1_DCD
UART1_RTS
UART1_TX
UART1_RI
UART0_RX
UART0_CTS
RESERVED
Digital output buffer
Digital output buffer
Digital output buffer
Digital output buffer
Digital input buffer
Digital input buffer
RESERVED
38
39
HiAllNC User Manual
General purpose
input/output 2
General purpose
input/output 3
JTAG reset
+3.7V power supply
(nominal)
+3.7V power supply
(nominal)
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
+3.7V power supply
(nominal)
UART data carrier detect
UART1 ready to send
UART1 transmit
UART1 ring indicator
UART0 receive
UART0 clear to send
RESERVED
2.85V
2.8V
3V
3.7V
2.85V
2.85V
3V
1.8V/2.9V
1.8V/2.9V
1.8V/2.9V
2.8V
2.8V
2.8V
2.8V
2.8V
2.8V
3.7V
3.7V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
3.7V
2.8V
2.85V
2.85V
2.8V
2.85V
2.8V
2012/06/28
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(3G
compatibility)
PCM_OUT
PCM_IN
RESERVED
(3G
compatibility)
RESERVED
(3G
compatibility)
RESERVED
(3G
compatibility)
RESERVED
(3G
compatibility)
(3G compatibility)
(3G compatibility)
Digital output buffer
Digital input buffer
Digital audio out
Digital audio in
2.85V
2.85V
RESERVED
(3G compatibility)
RESERVED
(3G compatibility)
RESERVED
(3G compatibility)
RESERVED
(3G compatibility)
RESERVED
(3G compatibility)
RESERVED
(3G compatibility)
RESERVED
(3G compatibility)
RESERVED
(3G compatibility)
71
VGPIO
Power supply
72
SPI_IN
Digital input buffer
73
SPI_OUT
Digital output buffer
74
SPI_SEL
Digital bi-directional buffer
75
SPI_CLK
Digital bi-directional buffer
76
77
78
79
80
82
TMS
TDI
TDO
SIM_RST
JTAG_TEST
RESERVED
(Factory use)
TCK
Digital input buffer
Digital input buffer
Digital output buffer
Digital output buffer
Digital input buffer
RESERVED
(Factory use)
Digital input buffer
83
GPIO4
Digital bi-directional buffer
84
GPIO5
Digital bi-directional buffer
85
GPIO6
Digital bi-directional buffer
86
87
88
89
90
91
92
93
94
95
96
97
VIO_SEL
2G_RF_IND
RTCK
GND
GND
GND
GND
GND
GND
GND
GND
GND
Digital input buffer
Digital output buffer
Digital output buffer
GND
GND
GND
GND
GND
GND
GND
GND
GND
65
66
67
68
69
70
81
HiAllNC User Manual
Power supply for external
components
Serial peripheral interface.
To be connected for debug
purpose.
Serial peripheral interface.
To be connected for debug
purpose.
Serial peripheral interface.
To be connected for debug
purpose.
Serial peripheral interface.
To be connected for debug
purpose.
JTAG mode select input
JTAG data input
JTAG data output
SIM reset
JTAG TEST input
Factory use. Do not
connect.
JTAG clock input
General purpose
input/output 4
General purpose
input/output 5
General purpose
input/output 6
VGPIO voltage selection
2G Transmit indicator
JTAG return clock
GND
GND
GND
GND
GND
GND
GND
GND
GND
2.8V
2.8V
2.8V
2.8V
2.8V
2.8V
2.8V
2.8V
1.8V/2.9V
2.8V
2.8V
2.8V
2.8V
2.8V
2.85V
2.8V
0V
0V
0V
0V
0V
0V
0V
0V
0V
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98
GND
GND
99
GND
GND
100
GND
GND
101
GND
GND
102
GND
GND
103
GND
GND
104
GND
GND
105
GND
GND
106
GND
GND
107
GND
GND
108
GND
GND
109
GND
GND
110
GND
GND
111
GND
GND
112
GND
GND
113
GND
GND
114
GND
GND
115
GND
GND
116
GND
GND
Note 1: VIO_SEL (Pad86) left unconnected.
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
Do not power the module I/O with a voltage over the specified limits, this could damage the module.
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3.2 SIM CARD
3.2.1 Internal SIM card
NC
HiAll module embeds an IC SIM Card as an optional hardware feature (MFF2 format according to ETSI
standard).
To get information about internal IC SIM Card option, please contact SAGEMCOM.
3.2.2 External SIM card connection
NC
HiAll
module provides also external SIM interface.
Figure 2: Typical SIM schematic
Figure 3: SIM card signals
Decoupling capacitors must be added on SIM_CLK, SIM_RST, SIM_VCC and SIM_DATA signals as
close as possible to the SIM card connector to avoid EMC issues and in order to pass the SIM card
approval tests.
SIM_VCC must be used only for the SIM card.
Use ESD protection components to protect SIM card and module I/Os against Electrostatic Discharges.
ESD components must be placed as close as possible to the SIM. The following schematic shows how to
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protect SIM access of the 6 pin connector. This must be performed every time when the SIM card holder
is accessed by the end user.
If it is necessary to use long SIM bus lines of over 100mm, it is recommended to adopt serial resistors to
avoid electrical overshoot on SIM bus signals. Use 56 Ω for the clock line and 10Ω for the reset and data
lines.
To use external SIM detection function, a GPIO pad must be connected to SIM holder.
Figure 4: SIM schematic with protection serial resistors & EXT_SIM_DET signal
The schematic above includes a hardware SIM card presence detector. When SIM card is not inserted into SIM
holder, Pin9 and Pin10 of SIM holder are disconnected. A GPIO detects a high level during boot. Then there is
no initialization to SIM card. When SIM card is inserted, Pin9 is short to Pin10 by mechanic contact, and a GPIO
detects a low level during boot.
A 22pF capacitor is recommended on EXT_SIM_DET.
SIM card must not be removed from its holder while it is still powered. Switch the module off properly with
the AT command, then remove the SIM card from its holder.
3.2.3 SIM CARD priority
The SIM card selection is performed thanks to KSIMSEL parameter.
NC
HiAll
shall be configured to support to one of the following configuration:
KSIMSEL=0
KSIMSEL=1
KSIMSEL=2
external SIM only
internal SIM only
priority to external SIM if both SIM cards are presents
Change of KSIMSEL value is taken into account only after reboot
Use of EXT_SIM_DET is mandatory to support KSIMSEL=2 feature (see KSIMSEL description in
reference [2])
HiAllNC User Manual
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3.3 AUDIOS
NC
The HiAll
module provides both analogue and digital audio interfaces.
3.3.1 Analogue audio connection
NC
HiAll module features one input path and one output path for analogue audio. Both the input path and the
output path are differential. The design examples in the following chapter will take into account the EMC, ESD
protections, and reducing the possible TDMA noise in sensitive area by performing the given routing rules.
Note that acoustic engineering competences are mandatory to get accurate audio performance on
customer’s product.
3.3.1.1 Connecting microphone and speaker
NC
HiAll module can manage an external microphone (MIC_P/MIC_N) in differential mode and an external
speaker (HSET_OUT_P / HSET_OUT_N) in differential mode. Thus, one speaker and one microphone can be
connected to the module. The 1.4V voltage to bias the microphone is implemented in the module.
The speaker connected to the module should be 32 ohms.
Speaker
HiAllNC
ESD protection
MIC
Figure 5: Analogue audio connection
If the design is ESD or EMC sensitive, we strongly recommend reading the notes below.
A poor audio quality could either come from the PCB routing and placement or from the chosen components (or
even both).
3.3.1.1.1
Notes for microphone
Pay attention to the microphone device, it must not be sensitive to RF disturbances.
As described in the layout chapter, differential pairs must be routed in parallel and same length (MIC_P
and MIC_N signals)
If you need to have deported microphone out of the board with long wires, you should pay attention to the
EMC and ESD effect. In those cases, add the following protections to improve your design.
To ensure proper operation of such sensitive signals, they have to be isolated from the others by
analogue ground on customer’s board layout. (Refer to Layout design chapter)
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ESD protection
33pF
Ferrite Bead
NC
HiAll
Ferrite Bead
MIC
33pF
ESD protection
Figure 6: Filter and ESD protection of microphone
3.3.1.1.2
Notes for speaker
As explained for the microphone, if the speaker is deported out of the board or is sensitive to ESD, use the
schematic here to improve the audio.
18pF
ESD protection
Ferrite Bead
NC
HiAll
HSET_OUT_P
speaker
HSET_OUT_N
Ferrite Bead
18pF
ESD protection
Figure 7: Filter and ESD protection of 32 ohms speaker
HSET_OUT_P, HSET_OUT_N tracks must be larger than other tracks: 0.1mm.
As described in the layout chapter, differential pairs must be routed in parallel and same length
(HSET_OUT_P and HSET_OUT_N signals)
The impedance of audio chain (filter + speaker) must be lower than 32Ω.
To use an external audio amplifier connected to a loud-speaker, use serial capacitors of 10nF on HiAll
NC
audio outputs to connect the audio amplifier.
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Figure 8: Example of D class TPA2010D1 1Watt audio amplifier connections
3.3.1.2 Recommended characteristics for the microphone and speaker
3.3.1.2.1
Recommended characteristics for the microphone
Item to be inspected
Sensitivity
Acceptance criterion
- 40 dB SPL +/-3 dB (0 dB = 1 V/Pa @ 1kHz)
Frequency response
Limits (relatives values)
Freq. (Hz)
Lower limit
100
-1
200
-1
300
-1
1000
2000
-1
3000
-1.5
3400
-2
4000
-2
Upper limit
1.5
Current consumption
Operating voltage
S / N ratio
Directivity
Maximum input sound pressure level
1 mA (maximum)
DC 1 to 3 V (minimum)
55 dB minimum (A-Curve at 1 kHz, 1 Pa)
Omni-directional
100 dB SPL (1 kHz)
Maximum distortion 1%
Radio frequency protection
Over 800 -1200 MHz and 1700 -2000 MHz, S/N ratio 50
dB minimum (signal 1 kHz, 1 Pa)
3.3.1.2.2
Recommended characteristics for the speaker
Item to be inspected
Acceptance criterion
Input power: rated / max
0.1W (Rate)
Audio chain impedance
32 ohm +/- 10% at 1V 1KHz
Frequency Range
300 Hz ~ 4.0 KHz
Sensitivity (S.P.L)
>105 dB at 1KHz with IEC318 coupler,
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Distortion
5% max at 1K Hz, nominal input power
3.3.1.3 DTMF OVER GSM network
Former systems used to transmits data through DTMF modulation on RTC telephone lines.
Audio DTMF tones are not guaranteed over GSM network
This is due to the nature of the GSM Voice CODEC - it is specifically designed for the human voice and does
not faithfully transmit DTMF.
When you press the buttons on your GSM handset during a call, this goes in the Signalling channel - it does not
generate in-band DTMF; the actual DTMF tones are generated in the network.
Therefore if your design needs the DTMF functionality, you should know their transmission over the network is
not at all guaranteed (because of voice codec). This could work or fail depending very strongly on the GSM
network provider. SAGEMCOM does not guarantee any success on using this function.
NC
However tests on HiAll shown this feature can work on some GSM Networks. Successful transmissions and
receptions have been done with 300ms of characters duration and 200mVpp as input level on microphone
input.
If this function is needed, first try with your network and those parameters then (if success) try to tune
them to fit your specification.
3.3.2 Digital PCM Audio
NC
The HiAll module features a PCM interface. The PCM interface is a high speed full duplex interface that can
NC
be used to send and receive digital audio data to external audio ICs.The HiAll PCM interface is highly
configurable:
- PCM master or slave mode
- 8bits or 16 bits data word length
- MSB or LSB first
- Rising or falling sampling clock edge
- Configurable PCM bit clock rate up to 1MHz
Signals
PCM_CLK
PCM_IN
PCM_OUT
PCM_SYNC
HiAllNC User Manual
Module connector pin
number
21
66
65
22
Description
Clock
Digital audio input
Digital audio output
Audio signal frame synchronization
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Figure 9: PCM interface timing
3.4 POWER SUPPLY
NC
HiAll module can be supplied by a battery or by any DC/DC converter compliant with the input voltage range
from 3.3V to 4.5V and 2A current capability.
>VBAT traces are required to be as short and as wide as possible.
VBAT ceramic decoupling capacitors of at least 100µF/10V are required to ensure good RF performance.
It is strongly recommended to place capacitors close to the module’s connection pad and connected via low
resistance tracks to VBAT and GND.
PCB tracks must be well dimensioned to support 2 A maximum current (Burst current 1.8A plus the extra
current for the other used I/Os). The voltage ripple caused by serial resistance of power supply path
(Battery internal resistance, tracks and contact resistance) could result in the voltage drops.
To prevent any issue in the power up procedure, the typical rise time for VBAT should be around 1ms.
NC
HiAll
module does not manage the battery charging.
3.4.1 Burst conditions
Communication mode (worst case: 2 continuous GSM time-slot pulses):
Figure 10: GSM/GPRS Burst Current rush
A 47µF with Low ESR capacitor is highly recommended for VBAT and close to the module pins 43/44.
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3.4.2 Ripples and drops
Current burst at 1.8A 33dBm
GSM TX Lev 5
Ripple
VBAT drop
3.3V Min
Figure 11: GSM/GPRS Burst Current rush and VBAT drops and ripples
The minimum voltage during the drop of VBAT must be 3.3V at 33dBm for the full range of the required
functioning temperature. To reach this aim, adapt the VBAT tracks width to minimize the loss: the shorter and
thicker is the track; the lower is the serial impedance.
To check the serial resistor, any CAD software can be used or by experiment by measuring it on the PCB by
injecting 1A into the VBAT tracks on connector side and shorting the other side to GND, this could be done
using a laboratory power supply set to few volts with a limitation in current to 1A. Then the measure of the drop
voltage leads to the serial resistor.
Noise on VBAT due to drops could result in poor audio quality.
Serial resistor should be less than 250mΩ including the impedance of connectors.
Ripple has to be minimised to have a clean RF signal. This can be improved by filtering the output of the
power supply when AC/DC or DC/DC components are used. Refer to the power converter chip supplier
application note for more information and advice.
3.4.3 EXAMPLE OF POWER SUPPLIES
3.4.3.1 DC/DC Power supply from a USB or PCMCIA port.
It the following application note from Linear Technology LTC3440, this schematic is an example of a DC/DC
power supply able to power 3.6V under 2A. This can be used with an AC/DC 5V unit or an USB or PCMCIA bus
as input power source. C6 to C9 can be followed by a serial MOS transistor to avoid a slow rise signal at VOUT.
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Figure 12: DC/DC power supply schematic example
3.4.3.2 Simple high current low dropout voltage regulator
If the whole power consumption is not an issue, this example of a simple voltage regulator preceded by an
AC/DC to 5V converter, can be used to power the module.
The voltage output is given by:
VOUT = 1.24V × [1 + (R1 / R2)]
To have 3.7V out R1=100K & R2=49.9K)
Figure 13: Example of power supply based on regulator MIC29302WU
3.4.3.3 Simple 4V boost converter
The input can be preceded by an AC/DC converter to get the 5V. PGOOD signal can be checked before the
ignition of the module.
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Figure 14: Example with Linear LT1913
3.4.4 Avoid side effects of a retro supply (current re-injection)
NC
Interactions or connections between HiAll module and the external systems can lead to retro power supply
side effects, or current re-injection through pads while the module is not yet fully powered up (means VBAT
lower than its minimum 3.3V).
If some precaution and simple rules are not followed, those effects can in worst case result in a deadlock
module, not able to start up or to communicate.
Deadlock could happen if the retro supply occurs before the module start. The flow back current could in the
worst case prevent the module to start.
The same behaviour can happen in a normal use conditions when the lines connecting to the module to the
external system uses a non compliant voltage higher than the module IO power domain. This results in a current
flow back inside the module and can lead to a deadlock system on the next start if this retro supply has
continued while the system was powered off or under powered (under 3.3V).
NC
An over voltage on any line can also damage HiAll module.
Those consequences are rare but exist. Therefore, the rules and advises given on every chapter of this
application note must be followed.
To avoid any power up issue, here are the rules:
Avoid any over voltage on the bus lines connected to the module.
•
•
NC
Use the same power domain voltage for HiAll lines.
Use voltage level translators when the power domain requires it
When the module is powered-off, do not apply any voltage on lines connected to the module.
•
•
NC
Power-off the bus lines connected to the HiAll module, to avoid any flow back current (re-injection).
NC
Power-off the I/Os connected to the HiAll , to avoid any current loss.
Recommendations for power domains
•
To avoid any current re-injection on VANA (2.85V),
o Use a 10µF serial capacitor to block the DC voltage when an external bias voltage over VANA
is used for the microphone.
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Use external resistor divider to limit the ADC input voltage when measured a voltage higher
than VANA.
Do not connect the UART lines (TXD, RXD, RTS, CTS) to any other voltage.
•
To avoid any current re-injection on VGPIO (2.80V),
o Do not connect a power supply to the VGPIO pad. This pad is an LDO output only.
NC
o The host must supply all the GPIOs connected to HiAll with correct voltage in compliance with
the power domain, and must shut off the GPIOs when the module is off.
o The SPI bus must not connect to the external system.
o The JTAG bus must not connect to the external system.
•
To avoid any current re-injection on VPERM (3.0V)
o The POK_IN signal is internally pulled up and can be connected to an open drain transistor.
•
To avoid any current re-injection on VBACKUP (3.0V)
o The VBACKUP signal must be only connected to a DC coin 3V battery or a capacitor.
•
To avoid any current re-injection on SIM_VCC (1.8V or 2.9V)
o Use only SIM_VCC pads to supply the SIM card or SIM IC.
•
To avoid any current re-injection on VBAT (3.3V to 4.5V)
o Decrease the rising time (recommended value <1ms ) as much as possible for VBAT.
o Use serial capacitor (10µF) to isolate the audio speaker lines to the external system if
necessary.
3.5 UARTS
NC
HiAll module has a main UART port that can be used in low-speed, full-speed, and high-speed modes. The
UART communicates with serial data ports conforming to the RS-232 interface protocol. With a properly written
and user-defined download program, the UART port can be used for testing and debugging.
Provision of external access to the V24 interface for easy upgrade of software is recommended.
Baud rate up to 1Mbps
Unused signals can be left unconnected.
Signal name (DCE side)
Signal name (DTE side)
Signal use (DTE side)
UART1_DTR
DTE_DSR
Signal UART interface is ON
UART1_DCD
DTE_DCD
Signal data connection in progress
UART1_RXD
DTE_TXD
Transmit data
UART1_RTS
DTE_CTS
HiAllNC is ready to receive AT commands
UART1_TXD
DTE_RXD
Receive data
UART1_CTS
UART1_RI
DTE_RTS
DTE_RI
UART1_DSR
DTE_DTR
HiAllNC User Manual
Wakes up the module when Ksleep=1 is
used
Signal incoming calls (voice and data),
SMS, etc.
Prevents the HiAllNC from entering sleep
mode
Switches between data mode and
command mode
Wakes the module up.
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NC
HiAll module has another reduced UART port. Its application is similar as the reduced case of main UART.
Thus, this document describes only for main UART in the following chapter.
3.5.1 Complete V24 connection of HiAllNC to host
NC
HiAll
provides a V24 interface with the following signals: UART1_RTS/ UART1_CTS, UART1_RXD/
UART1_TXD, UART1_DSR, UART1_DTR, UART1_DCD, UART1_RI.
Use of this complete V24 connection is required whenever your application exchanges data.
Figure 15: Complete V24 connection of HiAllNC to host processor
This configuration allows the use of the flow control UART1_RTS & UART1_CTS to avoid overflow error during
NC
the data transfer. In addition, UART1_RTS is used to inform DTE whether the HiAll is ready to receive an AT
command after power up sequence or wake up from the sleep mode.
Figure 16: UART1_CTS versus POK_IN signal during the power on sequence.
This signal configuration also enables all signals:
• UART1_RI signal is used when programmed to indicate an incoming voice or data call or SMS incoming
message etc…
• UART1_DCD signal is used to indicate GPRS connections.
• UART1_DTR signal is used to indicate that the module’s UART interface is ON.
NC
• UART1_DSR signal is used to prevent the HiAll from entering sleep mode, switching between Data
and AT commands, hanging up a call or waking up the module etc.
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NC
Avoid supplying power to the main UART before the HiAll
is ON, as this may result in power up
sequence error.
3.5.2 Complete V24 interface with PC
It supports speeds up to 1Mbps (115.2 Kbps with auto bauding).
NC
To use the V24 interface, some level shifter components are necessary, as HiAll signals need to be converted
to +/- 5V signals compatible with a PC.
Figure 17: Connection to a data cable
NC
Avoid supplying the UART before HiAll
module is ON, as this could result in power up sequence error.
To create your own data cable (for software download purpose…etc…) refer to the following schematic as an
example with a MAX3238E:
• VCC_3V1 is an LDO output (VBAT to VCC_3V1) enabled by VGPIO from the module. Yet it can be any
voltage between 3V and 5V (see MAX3238E or MAX3237E specification).
• 180Ω are serial resistors aimed to limit the EMC and ESD propagation.
NC
• Additional voltage level translator must be added to the design when GPIO of HiAll module was set to
1.8V mode.
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Figure 18: Example of a connection to a data cable with a MAX3238E
3.5.3 Partial V24 (RX-TX-RTS-CTS) connection of HiAllNC to host
When using only UART1_RXD/ UART1_TXD/ UART1_RTS/ UART1_CTS instead of the complete V24 link, the
following schematic could be used.
NC
Figure 19: Partial V24 connection (4 wires) of HiAll
NC
As UART1_DTR is active (low electrical level) once HiAll
to host processor
is switched on, UART1_DSR is also active
(low electrical level), therefore the AT command AT+KSLEEP can switch between the two sleep modes.
UART1_DCD and UART1_RI can remain disconnected and floating when not in use. Otherwise use
100KΩ to pull up to power.
This configuration allows use of flow control UART1_RTS & UART1_CTS to avoid overflow error during data
NC
transfer. Moreover UART1_RTS is used to indicate when the HiAll module is ready to receive an AT
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command after power up sequence or wake up from sleep mode.
UART1_RI signal is a stand alone signal that can be used with any one of the following configuration.
Consult the AT command specification for more information about this signal and its use.
This configuration allows to use the flow control UART1_RTS & UART1_CTS to avoid any overflow error
NC
during the data transfer, UART1_CTS is moreover used to signal when the HiAll
command after a power up sequence or a wake up from sleep mode.
is ready to receive an AT
However this configuration does not allow signals such as:
•
•
•
•
UART1_RI signal used when programmed to indicate an incoming voice or data call or SMS incoming
etc…
UART1_DCD signal used to indicate DATA connections.
UART1_DTR signal used to indicate module UART interface is ON.
NC
UART1_DSR signal is used to prevent HiAll from entering sleep mode or to switch between DATA
and AT commands or to hang up a call or to wake up the module etc….
3.5.4 Partial V24 (RX-TX) – connection HiAllNC - host
When using only UART1_RXD/ UART1_TXD instead of the complete V24 link, the following schematic could be
used.
NC
Figure 20: Partial V24 connection (2 wires) of HiAll
NC
As UART1_DTR is active (low electrical level) once HiAll
to host processor
is switched on, UART1_DSR is also active
(low electrical level), therefore the AT command “AT+KSLEEP” can switch between the two available sleep
modes.
As UART1_RTS is active (low electrical level) once HIALLNC is switched on, UART1_CTS is also active
(low electrical level), therefore the AT command “AT+ KSLEEP” can switch between the two available sleep
NC
modes. The HiAll firmware allows activation of UART1_RTS during sleep state even when looped to the
UART1_CTS signal.
Note that this configuration does not allow the below signals:
•
•
•
•
UART1_RI signal used when programmed to indicate an incoming voice or data call or incoming SMS
etc….
UART1_DCD signal used to indicate GPRS connections.
UART1_DTR signal used to indicate the module UART interface is ON.
NC
UART1_DSR signal used to prevent the HiAll module from entering sleep mode.
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3.6 SPI
HiAllNC module manages a host SPI interface. This SPI interface is only dedicated for software traces.
SAGEMCOM strongly recommends leaving this interface externally accessible for SW traces (e.g.
access by test point pads)
In case of needs SAGEMCOM may request to connect a dedicated trace cable to the customer’s electronic
board.
If tests points have been foreseen, simply solder 5 wires to a small HE10 male connector using the following
schematic. This connector will be linked to the dedicated cable and used to log the software traces with a PC
software provided by SAGEMCOM.
Male connector located on the Customers' hardware
(HE10 male 8 pins)
GND (White)
SPI_OUT (Red)
SPI_CLK (Yellow)
SPI_IRQ (Green)
SPI_SEL (Brown)
SPI_IN (Black)
VCC_3.7V (Blue)
NC
Figure 21: SPI HE10 pin – TOP VIEW
3.7 GPIOS
NC
Six GPIOs are available on HiAll . All GPIOs have optional internal pull-up resistors. Customer applications
can directly access them through appropriate AT commands such as:
• Output: pin is set to High or Low state
• Input: pin is read on request and customer application is responded to.
Different scenarios are possible to cover a maximum range of customer applications:
• Synchronous answer to AT command
• Asynchronous answer to AT command
Customer’s application prior to the read request has configured the GPIO to react to falling/rising edges. The
customer application is notified asynchronously by AT command answer when the configured trigger occurs.
By using other special AT commands, GPIOs can be used to, for example:
• to make an I/O toggling while the module is attached to the network
• to make an I/O toggling when a programmed temperature is reached
• as input to detect the presence of an antenna (with some external additional electronic circuit)
• as input to detect the SIM card presence …etc
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3.8
ADCS
NC
Two ADC input pads are available on HiAll module, which can be used to read the value of the voltage
applied. Following characteristics must be met to allow proper performances:
• The input signal voltage must be within 0V to 3V
• The input impedance of the pad is 150KΩ
• The input capacitance typically is 10pF.
• 10 bits resolution
• Maximum sampling frequency is 200KHz.
3.9 BACKUP BATTERY
3.9.1 Backup battery function features
A backup battery can be connected to the module in order to supply internal RTC (Real Time Clock) when the
main power supply is disconnected.
With external backup battery:
•
•
If VBAT < 3V, internal RTC is supplied by VBACKUP.
If VBAT ≥3V, internal RTC is supplied by VBAT.
Without backup battery
•
•
If VBAT ≥ 1.5V, internal RTC is supplied by VBAT.
If VBAT < 1.5V, internal RTC is not supplied.
VBACKUP input of the module has to be connected to a 10µF capacitor (between VBACKUP and GND).
3.9.2 Current consumption on the backup battery
When the power supply is removed, the internal RTC will be supplied by backup battery.
To calculate the backup battery capacity, consider that current consumption for RTC on the backup
battery is up to 1000µA in worst case conditions.
Signals
VBACKUP
Min current
Max current
1000µA
3.9.3 Internal HiAllNC charging function
NC
HiAll has a charging function that does not require any additional external power supply (power supply for the
NC
charging is provided by the HiAll ).
Charge of the back-up battery occurs only when main power supply VBAT is provided.
The recommended schematic is given hereafter:
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VBACKUP
HiAllNC
VBACKUP
Backup battery
HiAllNC
10µF capacitor
Figure 22: internal charging of backup battery or 10uF capacitor
The value of resistor R depends on the charging current value of the backup battery manufacturer.
3.9.4 Capacitor backup battery technology
SAGEMCOM strongly recommends using Supercap technology.
These kinds of backup battery have not the drawbacks of the Lithium Ion rechargeable battery.
As there are only capacitors:
• The maximum discharge current is generally bigger,
• There is no problem of over-discharge: the capacitor is able to recover its full charge even if its voltage
has previously fallen to 0V.
• There is no need to regulate the charging current.
Moreover, this kind of battery is available in the same kind of package than the Lithium Ion cell and fully
compatible on a mechanical point of view. The only disadvantage is that the capacity of this kind of battery is
significantly smaller than Manganese Silicon Lithium Ion battery. But for this kind of use (supply internal RTC
when the main battery is removed), the capacity is generally enough.
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4.
UNUSED PINS POLICY
The table below defines the connection requirement of unused pins, as well as mandatory connections.
LGA Pin
1-3
5-8
Signal Name
21
22
23
24
25
26
27
28
29
30
31
32
GND
RF_GSM
GND
RESERVED
(3G compatibility)
GND
RF_GPS
GND
PPS
UART1_DTR
UART1_DSR
UART1_CTS
UART1_RX
UART0_TX
UART0_RTS
RESERVED
(3G compatibility)
PCM_CLK
PCM_SYNC
HSET_N
HSET_P
MIC_P
MIC_N
RESET
VBACKUP
VBAT
ADC1
ADC0
POK_IN
33
SIM_VCC
34
SIM_DATA
35
SIM_CLK
36
37
GPIO1
SPI_IRQ
RESERVED
(futur use)
GPS_EXT_LNA_EN
GPIO2
10
11
12
13
14
15
16
17
18
19
20
38
39
40
NC
HiAll User Manual
Connection when not used / Mandatory
connection
0V
GSM Antenna
0V
Left Open
0V
GPS Antenna
0V
Left Open
Loop to UART1_DSR
Loop to UART1_DTR
Loop to UART1_RTS
UART1_RX
Left Open
Loop to UART0_CTS
Left Open
Left Open
Left Open
Left Open
Left Open
Left Open
Left Open
Left Open
C=10µF
VBAT
Left Open
Left Open
POWER ON
SIM VCC (external SIM)
Left Open (if embedded SIM, and no plan to
support external SIM)
SIM DATA (external SIM)
Left Open (if embedded SIM, and no plan to
support external SIM)
SIM CLK (external SIM)
Left Open (if embedded SIM, and no plan to
support external SIM)
Left Open
Left Open
Left Open
Left Open
Left Open
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41
GPIO3
Left Open
42
TRST
Left Open
43
VBAT_PA
VBAT_PA
44
VBAT_PA
VBAT_PA
45-56
57
GND
0V
58
VBAT
UART1_DCD
Left Open
59
UART1_RTS
Loop to UART1_CTS
60
UART1_TX
UART1_TX
61
UART1_RI
Left Open
62
UART0_RX
Left Open
63
UART0_CTS
RESERVED
(3G compatibility)
PCM_OUT
Loop to UART0_RTS
Left Open
71
PCM_IN
RESERVED
(3G compatibility)
RESERVED
(3G compatibility)
RESERVED
(3G compatibility)
RESERVED
(3G compatibility)
VGPIO
72
SPI_IN
Left Open
73
SPI_OUT
Left Open
74
SPI_SEL
Left Open
75
SPI_CLK
Left Open
76
TMS
Left Open
77
TDI
Left Open
78
TDO
79
SIM_RST
Left Open
SIM RST (external SIM)
Left Open (if embedded SIM, and no plan to
support external SIM)
80
Left Open
82
JTAG_TEST
RESERVED
(Factory use)
TCK
83
GPIO4
Left Open
84
GPIO5
Left Open
85
Left Open
86
GPIO6
VIO_SEL
87
2G_RF_IND
Left Open
88
RTCK
Left Open
89-116
GND
0V
64
65
66
67
68
69
70
81
HiAllNC User Manual
VBAT
Left Open
Left Open
Left Open
Left Open
Left Open
Left Open
Left Open
Left Open
Left Open
Left Open
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5.
SCALABILITY WITH HILO -3GPS
NC
The table below defines the pin & supply voltage matching between HiAll
Pad
number
1-3
5-8
10
11
12
NC
HiAll
Pad name
GND
RF_GSM
GND
RESERVED
(Not connected
internally)
GND
RF_GPS
GND
Supply
voltage
domain
Note 1
0V
0V
NC
Hilo -3GPS
Pad name
GND
RF
GND
NC
and HiLo -3GPS .
Supply
voltage
domain
0V
0V
AUX signal can
be left connected
NC
to HiAll pad
AUX
0V
0V
GND
GPS
GND
0V
0V
PPS signal can
be left connected
NC
to Hilo -3GPS
pad
13
PPS
2.8V
RESERVED
(Not connected
internally)
14
15
16
17
18
19
UART1_DTR
UART1_DSR
UART1_CTS
UART1_RX
UART0_TX
UART0_RTS
RESERVED
(Not connected
internally)
PCM_CLK
PCM_SYNC
2.8V
2.8V
2.85V
2.85V
2.85V
2.8V
UART_DTR
UART_DSR
UART_CTS
UART_RX
SDIO_CMD
SDIO_DATA2
1.8V
1.8V
1.8V
1.8V
2.85V
2.85V
SDIO_DATA0
2.85V
2.85V
2.85V
PCM_CLK
PCM_SYNC
1.8V
1.8V
3.7V
RESERVED
(Not connected
internally)
20
21
22
23
24
25
HSET_N
HSET_P
MIC_P
3.7V
2.85V
RESERVED
(Not connected
internally)
RESERVED
(Not connected
internally)
MIC_N
2.85V
27
28
29
30
RESET
VBACKUP
VBAT
ADC1
2.8V
3V
3.7V
2.85V
RESET
VBACKUP
VBAT
ADC
2.85V
RESERVED
(Not connected
internally)
31
ADC0
HiAllNC User Manual
HSET_N signal
can be left
connected to
NC
Hilo -3GPS pad
HSET_P signal
can be left
connected to
NC
Hilo -3GPS pad
MICP_P signal
can be left
connected to
NC
Hilo -3GPS pad
MIC_N signal can
be left connected
NC
to Hilo -3GPS
pad
RESERVED
(Not connected
internally)
26
Note
1.8V
3V
3.7V
2.1V
ADC0 signal can
be left connected
NC
to Hilo -3GPS
pad
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page 33/51
32
POK_IN
33
SIM_VCC
34
SIM_DATA
35
SIM_CLK
36
GPIO1
37
SPI_IRQ
38
RESERVED
(Not connected
internally)
39
GPS_EXT_LNA_EN
40
41
42
43
44
45-56
GPIO2
GPIO3
TRST
VBAT_PA
VBAT_PA
GND
3V
1.8V/2.9
1.8V/2.9
1.8V/2.9
2.8V
2.8V
2.8V
2.8V
2.8V
2.8V
3.7V
3.7V
0V
PWON
1.8V
SIM_VCC
1.8V/2.9V
SIM_DATA
1.8V/2.9V
SIM_CLK
1.8V/2.9V
RESERVED
(Not connected
internally)
GPIO1 signal can
be left connected
NC
to Hilo -3GPS
pad
SPI_IRQ signal
can be left
connected to
NC
Hilo -3GPS pad
RESERVED
(Not connected
internally)
RESERVED
(Not connected
internally)
GPS_LNA_EN
GPIO1
SIM_DET
GPIO2
GPIO3
TRST
VBAT
VBAT
GND
1.8V
1.8V
1.8V
1.8V
3.7V
3.7V
0V
NC
57
VBAT
3.7V
RESERVED
(Not connected
internally)
3.7V
58
59
60
61
62
63
64
65
66
UART1_DCD
UART1_RTS
UART1_TX
UART1_RI
UART0_RX
UART0_CTS
RESERVED
PCM_OUT
PCM_IN
2.8V
2.85V
2.85V
2.8V
2.85V
2.8V
2.85V
2.85V
UART_DCD
UART_RTS
UART_TXD
UART_RI
SDIO_CLK
SDIO_DATA3
SDIO_DATA1
PCM_OUT
PCM_IN
1.8V
1.8V
1.8V
1.8V
2.85V
2.85V
2.85 V
1.8V
1.8V
67
RESERVED
(Not connected
internally)
USB_DN
3.075V
68
RESERVED
(Not connected
internally)
USB_DP
3.075V
69
RESERVED
(Not connected
internally)
USB_VBUS
70
RESERVED
(Not connected
PWM
HiAllNC User Manual
5V
2.85V
HiAll
mandatory
connection
VBAT can be left
connected to
NC
Hilo -3GPS pad
USB_DP can be
left connected to
NC
HiAll pad if tied
to static signal
USB_DP can be
left connected to
NC
HiAll pad if tied
to static signal
USB_VBUS can
be left connected
NC
to HiAll pad if
tied to static
signal
PWM can be left
connected to
2012/06/28
page 34/51
NC
HiAll pad if tied
to static signal
internally)
71
72
73
74
75
76
77
78
VGPIO
SPI_IN
SPI_OUT
SPI_SEL
SPI_CLK
TMS
TDI
TDO
79
SIM_RST
80
JTAG_TEST
82
83
84
85
RESERVED
(Factory use, left
open)
TCK
GPIO4
GPIO5
GPIO6
86
VIO_SEL
81
2.8V
2.8V
2.8V
2.8V
2.8V
2.8V
2.8V
2.8V
1.8V/2.9
2.8V
2.8V
2.8V
2.8V
2.8V
87
2G_RF_IND
2.85V
88
RTCK
2.8V
89-116
GND
0V
Note 1: VIO_SEL (pad86) left unconnected.
HiAllNC User Manual
VGPIO
SPI_IN
SPI_OUT
SPI_SEL
SPI_CLK
TMS
TDI
TDO
2.85V
1.8V
1.8V
1.8V
1.8V
1.8V
1.8V
1.8V
SIM_RST
1.8V/2.9V
RESERVED
(Not connected
internally)
RESERVED
(Not connected
internally)
TCK
GPIO4
GPIO5
GPIO6
RESERVED
(Not connected
internally)
2G_RF_IND
RTCK
GND
JTAG_TEST
signal can be left
connected to
NC
Hilo -3GPS
Do not connect
1.8V
1.8V
1.8V
1.8V
1.8V
1.8V
0V
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6.
POWER MANAGEMENT
VBAT Input voltage shall be in the range 3.3V to 4.5V.
6.1 POWER MODES
NC
Depending on the status of the HiAll , different power consumption modes can be identified.
Communication mode (with or without GPS running)
NC
All systems on HiAll are active. In this mode, the module is registered to the network and a voice/data call is
actively transmitting data.
Idle mode (with or without GPS running)
In this mode, the module is registered to the network but it is idle/ paging only. No voice/ data call connection is
established. AT commands can be send and GPS can run.
Sleep mode (without GPS running)
In this mode, the module is registered to the network but it is idle/ paging only. No voice/data call connection is
established. AT commands can not be send.
Flight mode (with or without GPS running)
The processor is still active but the radio section is powered down. This mode can be controlled by sending an
AT command to the module.
6.2 MODULE POWER-UP
6.2.1 Power-up with POK_IN signal
To start the module, first power up VBAT, which must be in the range 3.3V ~ 4.5V, and must be able to supply
1.8A during TX bursts.
POK_IN is a low level active signal internally pulled up to a dedicated power domain of 3V.
As POK_IN is internally pulled up, a simple open collector or open drain transistor must be used for ignition.
Warning: The POK_IN will become low after module is ready. It can not be directly driven by a GPIO
signal.
To start the module, a low level pulse must be applied on POK_IN for 2000ms.
RESET must not be Low during that period of time
After a few seconds, the UART1_RTS enters active state and the module is ready to receive AT commands.
VGPIO is a supply output from the module that can be used to check if the module is active.
• When VGPIO = 0V the module is OFF.
• When VGPIO = 2.8V the module is ON. (It can be in Idle, communication or sleep modes)
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Module is
OFF
Module is
ON
2000ms
POK_IN
VGPIO
Software Loading
spike
Module is ready
to receive AT
commands
CTS
Typ 5 seconds
Max 7 seconds
Figure 24: Power ON sequence
6.2.2 IO DC Presence before Power on
When VBAT is available but the module has not yet powered up, the following I/O's raise their output.
POK_IN raise to 3V
VBACKUP raise to 3V
HSET_N raise to 1.4V
HSET_P raise to 1.4V
6.2.3 MODULE RESET
To reset the module, a low level pulse must be sent on RESET pin during 10 ms. This action will immediately
NC
restart the HiAll module. It is therefore useless to perform a new ignition sequence (POK_IN) after.
SAGEMCOM recommends using this feature in case of emergency, freeze of module or abnormal longer
NC
time to respond to AT Commands, this signal is the only way to get the control back over the HiAll
module.
RESET is a low level active signal internally pulled up to a dedicated power domain.
As RESET is internally pulled up, a simple open collector or open drain transistor can be used to control it.
2.4V min
RESET
0.4V max
2.8V
10ms
GPIO
HOST
HiAllNC Module
DTE
DCE
NC
Figure 23: Reset command of the HiAll
HiAllNC User Manual
by an external GPIO
2012/06/28
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The RESET signal will reset the registers of the CPU and reset the RAM memory as well.
As RESET is referenced to VGPIO domain (internally to the module) it is impossible to make a reset
before the module starts or try to use the RESET as a way to start the module.
An other solution more costly would be to use MOS transistor to switch off the power supply and restart the
power up procedure using the POK_IN input line
6.3 POWER ON AND SLEEP DIAGRAMS
Those 2 diagrams show the behaviours of the module and the DTE during the power on and then in the sleep
modes.
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DTE is in idle mode
U.A.R.T.
closed ?
VBAT≥3.3
Volts min
stable?
POK_IN
LOW for 2s
AND Reset
High?
VGPIO rise to 2.8V
CTS is Low and /or
KSUP notified if KSREP
activated
Module is ready
to receive and
send AT
Figure 24: Diagram for the power on
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Module is ready to
receive and send AT
Sleep mode request
Ksleep = 1 OR
( Ksleep = 0
AND
DTR = High)
Delay to enter the sleep
mode
VGPIO remains at 2.8V
CTS is High
DTE could also
be in sleep
mode
The wakes up
periods are set by
the network DRX
or the OS
Module is in
sleep m
Wake up incoming event such as:
• Network event.
• Alarm interruption.
• DTR interruption.
• RTS interruption.
RI signal
connected
and
programmed?
RI wakes the DTE
DTE is in idle mode
Figure 25: Diagram for the sleep mode
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6.4 MODULE POWER OFF
NC
AT command “AT*PSCPOF” allows for correct power-off of the HiAll module.
In case of necessary the module can be powered off by controlling the power supply. This can be used for
NC
example when the system freezes and no reset line is connected to the HiAll . In this case the only way to get
the control back over the module is to switch off the power line. If the system is on a battery, it is wise to have a
control of the power supply by a GPIO with for example the following schematic.
Figure 26: Power supply command by a GPIO
This kind of schematic could also be used to save few micro amperes in case of need. As the module has
a drain current of up to 56µA, this kind of function could lower it to the current through R4.
These, are the behaviours of the VGPIO and the CTS signal during the power off sequence.
AT*PSCPOF
Module is OFF
Module is ON
POK_IN is low
POK_IN is high
Typ 2 seconds
VGPIO
CTS
Figure 27: Power OFF sequence for POK_IN, VGPIO and CTS
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6.5 MODULE SLEEP MODE
The AT command “AT+KSLEEP” allows to configure the sleep mode.
When AT+KSLEEP=1 is configured:
•
•
NC
The HiAll module decides by itself when it enters in sleep mode (no more task running).
NC
“0x00” character on serial link wakes up the HiAll module.
When AT+KSLEEP=0 is configured:
•
•
NC
When UART1_DTR is deactivated (high electrical level), the HiAll module enters in sleep mode after
a while.
NC
On UART1_DTR activation (low electrical level), the HiAll module wakes up.
When AT+KSLEEP=2 is configured:
•
NC
The HiAll
module does not enter in sleep mode.
In sleep mode the module reduces its power consumption and remains waiting for the wake up signals either
from the network (i.e. Read paging block depending on the DRX value of the network) or the operating system
(i.e. timers wake up timers activated) or the host controller (i.e. character on serial link or UART1_DTR signal).
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7.
ESD & EMC RECOMMENDATIONS
7.1 HiAll
NC
HiAll
NC
MODULE
module alone can hold up to 2KV on each of the 116 pads including the RF pad.
7.2 Module handling
NC
HiAll modules are designed and packaged in tape-and-real for factories SMT process.
NC
HiAll modules contain electronic circuits sensitive to human hand's electrostatic electricity.
Handling without ESD protection could result in permanent damages or even destruction of the module.
7.3 Customer’s product with HiAllNC
If customer’s design must stand more than 2kV on electrostatic discharge, following recommendation must be
followed.
7.4 Analysis
ESD current can penetrate inside the device via the typical following components:
• SIM connector
• Microphone
• Speaker
• Battery / data connector
• All pieces with conductive paint.
In order to avoid ESD issues, efforts shall be done to decrease the level of ESD current on electronic
components located inside the device
7.5 Recommendations to avoid ESD issues
NC
Insure good ground connections of the HiAll
module to the customer’s board.
Flex (if any) shall be shielded and FPC connectors shall be correctly grounded at each extremity.
Put capacitor on battery 100nF or varistor or ESD diode in parallel on battery and charger wires (if any)
and on all power wires connected to the module.
Uncouple microphone and speaker by putting capacitor or varistor in parallel of each wire of these
devices.
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8.
RADIO INTEGRATION
Radio engineering skills are mandatory to get accurate radio performance on customer’s product
8.1 GSM antenna connection
RF lines shall match 50 ohms impedance
In order to achieve optimum sensitivity and output power in radiated mode, it is strongly recommended to
implement a matching circuit, as shown on schematic below
Figure 28: GSM antenna connection schematic
More information about GSM radio design can be found in [3].
8.2 GNSS antenna connection
8.2.1 Reference schematics
NC
HiAll
module supports both passive and active antenna.
NC
HiAll
embeds a high performance SAW filter. No external filtering is required.
Typical schematic for passive antenna is similar to GSM antenna schematic above.
If active antenna use, HiAll
NC
module can be configure to output a GPS_LNA_EN signal, allowing
disabling the external LDO when GNSS receiver is in stand-by or shut-down mode.
Enabling GPS_LNA_EN is performed through AT+GNSSRUN command
If active antenna connection, a power supply shall be connected to the GNSS feed point, according to
schematic example below:
HiAllNC User Manual
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page 44/51
Figure 29: GNSS active antenna connection schematic
8.2.2 Antenna detection
For passive antenna, the command AT+KGNSSAD can be used to perform antenna detection.
For active antenna, a GPIO can be used to detect the antenna power consumption. The customer needs to fit
the current sense circuitry on its own board and match the detection level to the VGPIO level.
8.3 RADIO LAYOUT DESIGN
Radio layout guidelines are defined in document [3]
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9.
AUDIO INTEGRATION
FTA audio mandatory tests only deal with handset mode so a particular care must be brought to the design of
audio (mechanical integration, gasket, electronic) in this mode.
The audio related standard are 3GPP TS 26.131 & 3GPP TS 26.132.
Note that acoustic competences are mandatory to get accurate audio performance on customer’s product.
9.1 MECHANICAL INTEGRATION AND ACOUSTICS
Particular care to Handset Mode:
To achieve a more ideal audio output design (speaker part):
The speaker must be completely sealed on front side.
The front aperture must be compliant with the speaker supplier’s specifications
The back volume must be completely sealed.
The sealed back volume must be compliant with the speaker supplier’s specifications
Pay attention to the design of the speaker gasket (elastomer).
Make sure to leave sufficient space for the artificial ear gasket.
To achieve a more ideal audio input design (microphone part):
Pay attention to the design of the microphone (elastomer).
All receivers must be completely sealed on front side.
Microphone sensitivity depends on the shape of the device but should be in the range of –40 ±3 dBV/Pa.
Recommend to use the pre-amplified microphone. If needed, use a pre-amplification stage.
As audio input and output are strongly linked:
Place the microphone and the speaker as far away as possible from one another.
9.2 ELECTRONICS AND LAYOUT
Avoid Distortion & Burst noise
Audio signals must be symmetric (same components on each path).
Differential signals must be routed in parallel.
Audio layer must be surrounded by 2 ground layers.
The link from one component to the ground must be as short as possible.
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Separate the PCBs for the microphone and the speaker if possible.
Reduce the number of electronic components as much as possible (to avoid loss of quality and greater
dispersion).
Audio tracks must be larger than 0.5 mm.
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10.
LAYOUT RECOMMENDATIONS ON CUSTOMER BOARD
10.1
GENERAL RECOMMENDATIONS ON LAYOUT
There are many different types of signals in the module which may be interfered each other. Particularly, Audio
signals are very sensitive to external signals such as VBAT... Therefore it is very important to follow some rules
to avoid signal disruption or abnormal behaviour.
Magnetic fields generated by VBAT tracks may cause speaker interference and burst noise. In this case,
modify layout of the VBAT tracks to reduce the phenomenon.
10.1.1 Ground
Ensure the ground plane is as complete as possible
Grounding of components should be connected to the ground layer through a number of irregularly
distributed vias.
Top and bottom layer should set aside as much space for the ground plane as possible. Flood remaining
empty surfaces of the layout of those two layers with a ground plane connected to the main ground through as
many vias as possible.
Proper grounding is crucial to end-product performance. At least one layer must be a dedicated ground
plane. This ground plane is the common point referenced by all end-product circuits.
In addition to the dedicated ground plane layer, unused space on all PCB layers should be filled with
grounding to provide the most robust grounding possible from layer to layer.
Bypass capacitors should be connected directly to their surface layer ground fill. Multiple vias should
connect each capacitor directly to the main ground plane, with one via in the capacitor’s pad plus several vias
within the surface layer ground fill area.
Digital ground should connect directly to the main ground plane. In addition, each layer between layer 1
and the main ground should include ground fills directly below the center grid area’s digital pins, with each stack
of vias connecting to each ground fill area. The large mass of copper tied together using this technique provides
optimal electrical grounding and thermal conductivity.
The analog/RF ground pins are connected to each other, but isolated from the digital ground (until main
ground). Like the digital pins, the analog/RF pins should connect directly to the main ground plane. In addition,
each layer between layer 1 and the main ground should include ground fills directly below the outer layer’s
analog/RF pins, with each stack of vias connecting to each ground fill area. The large mass of copper tied
together using this technique provides optimal electrical grounding and thermal conductivity.
10.1.2 Power supplies
A layer for power supply signals (VBAT, VGPIO,SIM_VCC_VCC) is recommended.
Looping of power signal layouts must be avoided in device design.
Ensure suitable power supply (VBAT, VGPIO,SIM_VCC) track width and thickness.
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10.1.3 Clocks
Clock signals must be shielded between two grounds layer and bordered with ground vias.
10.1.4 Data bus and other signals
Data bus must be routed on the same layer with equivalent track length and avoiding long parallel routing.
Lines crossings shall be perpendicular
Suitable signals track width, thickness for other signals.
Data bus must be protected by upper and lower ground plans
10.1.5 Radio
Provide a 50 Ohm micro strip line for antenna connection
For RF matching components do not locate matching inductors too close to shield walls (this may cause
electromagnetic coupling and inductor de-Q).
10.1.6 Audio
Differential signals have to be routed together, parallel (for example HSET_OUT_P/HSET_OUT_N,
MIC_P/MIC_N).
Audio signals have to be isolated, by pair, from all the other signals (ground all around each pair).
Cancel any loops between VBAT and GND next to the speaker to avoid the TDMA burst noise in the
speaker during a communication.
The single-end audio signal should be adopted the same rules as differential signals.
GND
HSET_OUT_P
HSET_OUT_N
GND
Figure 30: Layout of audio differential signals on a layer n
GND
HSET_OUT_P
GND
Layer n-1
Layer n
Layer n+1
Figure 31: Adjacent layers of audio differential signals
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10.2
EXAMPLE OF LAYOUT FOR CUSTOMER’S BOARD
The following figure is an example of layer allocation for a 6 layers circuit (for reference purpose only):
Depending on the customer’s design, the layout could also be 4 layers.
Figure 32: 6 layers PCB stack-up
11.
LABEL
NC
The HiAll module is labelled with its own FCC ID (VW3HIALLNC) on the shield side. When the module is
installed in customer’s product, the FCC ID label on the module will not be visible. To avoid this case, an
exterior label must be stuck on the surface of customer’s product signally to indicate the FCC ID of the enclosed
module. This label can use wording such as the following: “Contains Transmitter module FCC ID:
VW3HIALLNC” or “Contains FCC ID: VW3HIALLNC ”.
12.
FCC LEGAL INFORMATION
12.1
FCC REGULATIONS
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.
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This device has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15
of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation If this equipment does
cause harmful interference to radio or television reception, which can be determined by turning the equipment
off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s
authority to operate the equipment.
12.2
RF EXPOSURE INFORMATION
This Modular Approval is limited to OEM installation for mobile and fixed applications only. The antenna
installation and operating configurations of this transmitter, including any applicable source-based timeaveraging duty factor, antenna gain and cable loss must satisfy MPE categorical Exclusion Requirements of
§2.1091.
The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm
from all persons, must not be collocated or operating in conjunction with any other antenna or transmitter,
except in accordance with FCC multi-transmitter product procedures.
The end user has no manual instructions to remove or install the device and a separate approval is required for
all other operating configurations, including portable configurations with respect to 2.1093 and different antenna
configurations.
According to the MPE RF explore report, maximum antenna gain allowed for use with this device is 7.3dBi for
GSM850 and 2.9dBi for PCS1900.
When the module is installed in the host device, the FCC ID label must be visible through a window on the final
device or it must be visible when an access panel, door or cover is easily re-moved. If not, a second label must
be placed on the outside of the final device that contains the following text: ―Contains FCC ID: VW3HIALLNC.
12.3
IC REGULATIONS
IMPORTANT NOTE
IC Radiation Exposure Statement:
This equipment complies with IC RSS-102 radiation exposure limits set forth for an uncontrolled environment.
This equipment should be installed and operated with minimum distance 20cm between the radiator & your
body.
This device and its antenna(s) must not be co-located or operating in conjunction with any other antenna or
transmitter.
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and
maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio
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interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically
radiated power (e.i.r.p) is not more than necessary for successful communication.
Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une
antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le
but de réduire les.risques de brouillage radioélectrique à l'intention des autres utilisateurs, il faut choisir le type
d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente (p.i.r.e.) ne dépasse pas
l'intensité nécessaire à l'établissement d'une communication satisfaisante.
Labeling Requirements for the Host Device (from Section 3.2.1, RSS-Gen, Issue 3, December 2010):The host
device shall be properly labeled to identify the module within the host device.The Industry Canada certification
label of a module shall be clearly visible at all times when installed in the host device, otherwise the host device
must be labeled to display the Industry Canada certification number of the module, preceded by the words ―
Contains transmitter module‖, or the word ―Contains‖, or similar wording expressing the same meaning, as
follows: Contains transmitter module IC: 9140A-HIALLNC.
This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the
following two conditions: (1) this device may not cause interference, and (2) this device must accept any
interference, including interference that may cause undesired operation of the device.Le présent appareil est
conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence.
L'exploitation est autorisée aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2)
l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible
d'en.compromettre le fonctionnement.
This radio transmitter (identify the device by certification number, or model number if Category II) has been
approved by Industry Canada to operate with the antenna types listed below with the maximum permissible gain
and required antenna impedance for each antenna type indicated. Antenna types not included in this list, having
a gain greater than the maximum gain indicated for that type, are strictly prohibited for use with this device.
Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une
antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le
but de réduire les risques de brouillage radioélectrique à l'intention des autres utilisateurs, il faut choisir le type
d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente (p.i.r.e.) ne dépasse pas
l'intensité nécessaire à l'établissement d'une communication satisfaisante.
HiAllNC User Manual
2012/06/28

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