Falcom 051-1-1 Transmitter Module for mobile applications User Manual Description GPS receiver FALCOM JP2

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Document ID	258187
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Document Description	Exhibit 8 User Manual
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Document Type	User Manual
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Date Submitted	2002-07-23 00:00:00
Date Available	2002-07-19 00:00:00
Creation Date	2001-11-16 11:53:23
Producing Software	Acrobat Distiller 4.05 for Windows
Document Lastmod	2002-01-02 13:10:54
Document Title	Description GPS receiver FALCOM JP2
Document Creator	FrameMaker 6.0
Document Author:	IlmDoc Technische Dokumentation GmbH

Description
Embedded GSM/GPS–Module A2D–JP
© 2001
The information in this document is copyrighted for Falcom Wireless Communications
GmbH. Any reproduction of this User Manual in whole or in part, electronic storage or
translation in other languages are permitted only with the prior written consent of Falcom Wireless Communications GmbH.
All details of FALCOM’s products, particularly those in catalogues, in printed or other
form, contain diagrams and details of products and performances which are not guaranteed features, but approximations. In respect of these, only the agreements in the
contract of supply are valid.
All rights reserved.
Description
Contents
Contents
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.1
1.2
1.3
1.4
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Used abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Related documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Alert symbols used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
2.10
2.11
2.12
2.13
General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Exposure to RF energy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Efficient modem operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Antenna care and replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Electronic devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Vehicle electronic equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Medical electronic equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Aircraft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Children . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Blasting areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Potentially explosive atmospheres . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Non-ionising radiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Safety standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
GSM–modem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.1
5.1.1
5.1.2
5.1.3
5.1.4
5.1.5
5.1.6
5.2
5.2.1
5.2.2
5.3
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
GSM capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
GSM data services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
RF characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
SIM card reader. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
RS 232 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Possible external devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Special functionality pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Firmware download procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Resetting the GSM–module by AT+CFUN=1,1. . . . . . . . . . . . . . . . . . . . . . .19
GSM 07.05. and 07.07. commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
A2D–JP
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Description
Contents
5.3.1
5.3.2
5.3.3
General AT commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
SMS AT commands (GSM 07.05) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
GSM AT commands (GSM 07.07). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
GPS receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
6.1
6.2
6.2.1
6.2.2
6.3
6.3.1
6.3.2
6.3.2.1
6.3.3
6.3.4
6.3.5
6.3.5.1
6.3.5.2
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Product overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
GPS receiver architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Product applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Technical description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Hardware interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Configuration and timing signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Serial communication signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
DC input signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Software interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Binary data message. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
NMEA data message. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
A2D-JP evaluation board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
A2D–JP
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Description
List of figures
List of figures
Figure 1: Drawing of A2D–JP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Figure 2: Technical drawing of A2D–JP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Figure 3: Interface connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Figure 4: Interface A: 60pin connector AMP 177984-2 . . . . . . . . . . . . . . . . . . . . . . .12
Figure 5: GPIO 1 → Flash_LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Figure 6: Sample-application SIMPREK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Figure 7: GPS receiver architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Figure 8: The A2D-JP evaluation board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
A2D–JP
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Description
Versions
Versions
Version number
Author
Changes
V 1.00
M. Menz
Initial version
V 1.01
G. Buch
Chip set of RAM/Flash changed
(GPS)
V 1.02
G. Buch
Reset chip changed (GPS)
V 1.03
G. Buch
Layout of L2/R35/C2/D13/C27
changed
Ground GSM-antenna changed
A2D–JP
Version 1.03
Side 1
Description
Introduction
Introduction
1.1
General
This manual is focussed on the embedded GSM/GPS-module of the
FALCOM A2D-JP series from FALCOM GmbH. It contains some
information about the FALCOM GSM module and the FALCOM
GPS-module based on the CONEXANT Zodiac 2000 chip set.
Information furnished herein by FALCOM GmbH is believed to
be accurate and reliable. However, no responsibility is assumed for its use. Also the information contained herein is subject to change without notice.
Users are advised to proceed quickly to the „Security“ chapter
and read the hints carefully.
Figure 1: Drawing of A2D–JP
A2D–JP
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Description
Introduction
16.35
15
20 10.15
.7
Ø 2 x)
53.8±0.15
1 . 7 Ø5
tief
2.8
48.4±0.25
57.15
40.3±0.15
25.5
13.3
1.65
4.65
6.65
12.1 max
31
6.85
40
73.2±0.15
90.2±0.3
(94.7)
Figure 2: Technical drawing of A2D–JP
A2D–JP
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Description
1.2
Introduction
Used abbreviations
Abbreviation
Meaning
CTS
Clear To Send signal from Dent
DGPS
Differential GPS
DOP
Dilution of Precision
ECEF
Earth-Centred Earth-Fixed Coordinate system
EEPROM
Memory for parameter
ETSI
European Telecommunications Standards Institute
GSM
Global System for Mobile communications
GPS
Global Positioning System
GGA
GPS Fixed Data
HDOP
Horizontal DOP
IMEI
International Mobile station Equipment Identity
ME
Mobile Equipment
NMEA
National Maritime Electronics Association
PIN
Personal Identification Number
PLMN
Public Land Mobile Network
PRN
Pseudorandom Noise Number–The Identity of GPS satellites
PUK
Personal Unblocking Key
RP
Receive Protocol
RTC
Real Time Clock
RTCM
Radio Technical Commission for Maritime Services
RXD
Data input
RXQUAL
Received Signal Quality
SIM
Subscriber Identity Module
SMS
Short Message Service
SMS/PP
Short Message Service/Point-to-Point
SRAM
Static Random Access Memory
TA
Terminal Adapter
TE
Terminal Equipment
TP
Transmit Protocol
TTFF
Time To First Fix
TXD
Data output
Table 1: Abbreviations
A2D–JP
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Description
1.3
Introduction
Related documents
[1] ETSI GSM 07.05
"Use of Data Terminal Equipment - Data Circuit terminating
Equipment interface for Short Message Service and Cell
Broadcast Service"
[2] ETSI GSM 07.07
"AT command set for GSM Mobile Equipment"
[3] ITU-T V.25ter
"Serial asynchronous automatic dialling and control"
[4] Zodiac GPS receiver Family Designers' Guide
http://www.falcom.de/service/downloads
[5] GPS Chipset-Zodiac 2000
http://www.falcom.de/service/downloads
[6] Serial Data I/O Interface
see chapter 5 of [4]
1.4
Alert symbols used
Alerts the user to potential safety risks.
Indicates important information and tips.
A2D–JP
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Description
Security
Security
IMPORTANT FOR THE EFFICIENT AND SAFE OPERATION OF
YOUR GSM–MODEM, READ THIS INFORMATION BEFORE
USE!
Your embedded GSM/GPS–modem is one of the most exciting and
innovative electronic products ever developed. With it you can stay
in contact with your office, your home, emergency services, and
others, wherever service is provided.
This chapter contains important information for the safe and reliable
use of the GPS receiver. Please read this chapter carefully before
starting to use the GPS receiver.
2.1
General information
Your modem utilises the GSM standard for cellular technology. GSM
is a newer radio frequency („RF“) technology than the current FM
technology that has been used for radio communications for decades. The GSM standard has been established for use in the European community and elsewhere.
Your modem is actually a low power radio transmitter and receiver.
It sends out and receives radio frequency energy. When you use
your modem, the cellular system handling your calls controls both
the radio frequency and the power level of your cellular modem.
The Global Positioning System uses satellite navigation, an entirely
new concept in navigation. GPS has become established in many
areas, for example, in civil aviation or deep-sea shipping. It is making deep inroads in vehicle manufacturing, and long before everyone of us will use it in one way or another.
The GPS system is operated by the government of the United States
of America, which also has sole responsibility for the accuracy and
maintenance of the system. The system is constantly being improved and may entail modifications effecting the accuracy and performance of the GPS equipment.
2.2
Exposure to RF energy
There has been some public concern about possible health effects
of using GSM modem. Although research on health effects from RF
energy has focused for many years on the current RF technology,
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 is fit for use.
A2D–JP
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Description
Security
If you are concerned about exposure to RF energy there are things
you can do to minimise 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 modem efficiently by following the guidelines below.
2.3
Efficient modem operation
In order to operate your modem at the lowest power level, consistent
with satisfactory call quality please take note of the following hints.
If your modem has an extendible antenna, extend it fully. Some models allow you to place a call with the antenna retracted. However
your modem operates more efficiently with the antenna fully extended.
Do not hold the antenna when the modem is „IN USE“. Holding the
antenna affects call quality and may cause the modem to operate at
a higher power level than needed.
2.4
Antenna care and replacement
Do not use the modem 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. Unauthorised antennas, modifications or attachments could damage the modem and
may contravene local RF emission regulations or invalidate type approval.
Operate the GPS receiver with a connected antenna and make sure
that there is no obstruction between the receiver and the satellite.
Make absolutely sure that the antenna socket or antenna cable is
not shorted as this would render the GPS receiver dysfunctional.
Do not use the receiver with a damaged antenna. Replace a damaged antenna without delay. Use only a manufacturer-approved antenna. Use only the supplied or an approved antenna with your GPS
receiver. Antennas from other manufacturers which are not authorized by the supplier can damage the GPS receiver. Technical modifications and additions may contravene local radio-frequency emission regulations or invalidate the type approval.
Authorized GPS antennas:
FALCOM ANT 006 (active)
A2D–JP
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Description
2.5
Security
Driving
Check the laws and regulations on the use of cellular devices in the
area where you drive. Always obey them. Also, when using your modem while driving, please pay full attention to driving, pull off the
road and park before making or answering a call if driving conditions
so require. When applications are prepared for mobile use they
should fulfil road-safety instructions of the current law!
2.6
Electronic devices
Most electronic equipment, for example in hospitals and motor vehicles is shielded from RF energy. However RF energy may affect
some malfunctioning or improperly shielded electronic equipment.
2.7
Vehicle electronic equipment
Check your vehicle manufacturer's representative to determine if
any on board electronic equipment is adequately shielded from RF
energy.
2.8
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 modem 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.
2.9
Aircraft
Turn your modem 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 modem while the plane is on the
ground. To prevent interference with cellular systems, local RF regulations prohibit using your modem whilst airborne.
2.10 Children
Do not allow children to play with your modem. 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.
A2D–JP
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Description
Security
2.11 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.
2.12 Potentially explosive atmospheres
Turn your modem 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 injury 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 modem or accessories.
Before using your modem 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.
2.13 Non-ionising radiation
As with other mobile radio transmitting equipment users are advised that for satisfactory operation and for the safety of personnel,
it is recommended that no part of the human body be allowed to
come too close to the antenna during operation of the equipment.
The radio equipment shall be connected to the antenna via a nonradiating 50Ohm coaxial cable.
The antenna shall be mounted in such a position that no part of the
human body will normally rest close to any part of the antenna. It is
also recommended to use the equipment not close to medical devices as for example hearing aids and pacemakers.
A2D–JP
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Description
Safety standards
Safety standards
This GSM/GPS-modem complies with all applicable RF safety
standards.
The embedded GMS/GPS-modem meets the safety standards for
RF receivers and the standards and recommendations for the protection of public exposure to RF electromagnetic energy established
by government bodies and professional organizations, such as directives of the European Community, Directorate General V in matters of radio frequency electromagnetic energy.
A2D–JP
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Description
Technical data
Technical data
General specifications
Dimensions
95 mm x 50 mm x 15 mm (B x W x H)
Weight
60 g
Table 2: General specifications
Power supply
GPS
VC3 3.3 V DC ±5 %
Max. 190 mA Operate
VBAT 3 V DC ±0,25 V
Max. 40 µA for „Keep Alive“
Preamp. Power 3,3 V DC – 6 V DC ±5 %
Max. 50 mA
GSM
VC5 5,0 V DC ± 5 %
Average current (in mA at 5V nominal):
0,015
in OFF mode 2 (EN pulled to LOW, the internal regulator is switched
off)
17*
in OFF mode 1 (AT+CPOF was issued and SOFT_ON was set to
LOW, the internal regulator is still working)
30*
in idle mode (base station sends at -85 dBm)
260*
in transmit mode at power level 7
350*
in transmit mode at power level 5 (Maximum)
* Serial interface is applied and working.
Table 3: Power supply
Temperature limits
Operation
-20 °C to +55 °C
Transportation
-40 °C to +70 °C
Storage
-25 °C to +70 °C
Table 4: Temperature limits
Interface specifications
Interface A
60pin connector AMP 177984-2
Interface B
GPS 50 Ω MCX female, for active 3 V GPS antenna
Interface C
GSM 50 Ω, SMB male
Interface D
SIM card reader for small SIM cards (3V)
Table 5: Interface specifications
A2D–JP
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Description
Technical data
Figure 3: Interface connections
60
Pin No. 1
Figure 4: Interface A: 60pin connector AMP 177984-2
A2D–JP
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Side 12
Description
Correction Pin configuration AMP 177984-2
Pin
GSM–modem
Description
Level
MIC P15
Microphone 1 positive
differential inp.
MIC N15
Microphone 1 negative
differential inp.
SPK P2
Speaker 1 positive
differential out.
SPK N2
Speaker 1 negative
differential out.
DTR
RS-232 Data Term. Ready
CMOS 2,8 V inp.
CTS
RS-232 Clear To Send
CMOS 2,8 V out.
DSR
RS-232 Data Set Ready
CMOS 2,8 V out.
RTS
RS-232 Ready To Send
CMOS 2,8 V inp.
RI
RS-232 Ring Indicator
CMOS 2,8 V out.
10
DCD
RS-232 Data Carrier Detect
CMOS 2,8 V out.
11
SOFT ON
Turn phone on
CMOS 2,8 V inp.
12
RING PWM
Ringer Interface
CMOS 2,8 V out.
13
TX
RS-232 Transmit Data
CMOS 2,8 V out.
14
RX
RS-232 Receive Data
CMOS 2,8 V inp.
15
Free
16
RESET GSM
Reset-Active Low
SCHMITT
17
Free
18
VCCRTC
RTC back-up batt. Supply
inp.
19
Free
20
Free
21
Free
22
Free
23
VC5
Power supply
5 V DC
24
VC5
Power supply
5 V DC
25
VC5
Power supply
5 V DC
26
VC5
Power supply
5 V DC
27
GPIO1
General purpose in/out
CMOS 2,8 V
28
VC5
Power supply
5 V DC
29
Free
30
EN
Internal Power enable
CMOS 2,8 V inp.
31
GROUND
32
GROUND
33
GROUND
Table 1: Pin configuration AMP 177984-2, GSM-modem
A2D–JP
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Description
Pin
GSM–modem
34
GROUND
35
SIMPREK
36
GROUND
37
Description
Level
SIM present for external card
CMOS 2,8 V inp.
SIMDATA
SIM Data
inp./out.
38
SIMVCC
SIM Card power supply
3 V DC
39
SIMRST
SIM Reset
inp.
40
SIMCLK
SIM Clock
out.
Table 1: Pin configuration AMP 177984-2, GSM-modem
Pin
GPS receiver
Description
Level
41
TMARK
1 PPS time Mark Output
CMOS 3,3 V out.
42
10 KHZ UTC
10 kHz Clock
CMOS 3,3 V out.
43
GROUND
44
GROUND
45
SDI 2
Serial 2 Data Input
CMOS 3,3 V inp.
46
GROUND
47
GROUND
48
SDO 2
Serial 2 Data Output
CMOS 3,3 V out.
49
SDO 1
Serial 1 Data Output
CMOS 3,3 V inp.
50
SDI 1
Serial 1 Data Input
CMOS 3,3 V out.
51
WHEEL_TICK
Reserved for Wheel in
52
GROUND
53
DIRECTION
NMEA Protocol select
Low
54
DSP_GPIO 3
ROM default select
Low
55
M-RST
Master Reset Input
Low
56
GYRO_IN
Reserved for Gyro_in
57
VBATT_RTC
Battery Backup Input
3 V DC
58
3,3 VDC
Primary DC Power
3,3 V DC
59
PREAMP_POWER
Preamplifier Power
3,3 V DC – 6 V DC
60
3,3 VDC
Primary DC Power
3,3 V DC
Table 2: Pin configuration AMP 177984-2, GPS receiver
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GSM–modem
5.1
General
5.1.1 GSM capability
E-GSM and DCS (GSM ETSI Phase I and II)
5.1.2 GSM data services
300 … 14400 BPS, asynchronous, transparent and non-transparent
(V.21, V.22, V.23, V.22bis, V.26ter, V.32, V.34, V.110)
5.1.3 RF characteristics
Receiver
EGSM Sensitivity
< −104 dBm
DCS Sensitivity
< −100 dBm
Selectivity @ 200 kHz
> +9 dBc
Selectivity @ 400 kHz
> +41 dBc
Dynamic range
62 dB
Intermodulation
> -43 dBm
Co-channel rejection
≥ 9 dBc
Table 8: Receiver
Transmitter
Maximum output power (EGSM)
33 dBm ±2 dB
Maximum output power (DCS)
30 dBm ±2 dB
Minimum output power (EGSM)
5 dBm ±5 dB
Minimum output power (DCS)
0 dBm ±5 dB
H2 level
≤ 30 dBm
H3 level
≤ 30 dBm
Noise in 925 - 935 MHz
≤ 67 dBm
Noise in 935 - 960 MHz
≤ 79 dBm
Noise in 1805 - 1880 MHz
≤ 71 dBm
Phase error at peak power
< 5 ° RMS
Frequency error
±0.1ppm max
Table 9: Transmitter
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5.1.4 SIM card reader
Internal, for small SIM cards (3 V)
External, 10 … 15 cm maximum cable length
5.1.5 RS 232
RS 232
2.8 V
RX, TX, RTS, CTS, DTR, DSR, DCD, RI
300..115200
Baud rates for serial link (2400 … 19200 with auto-bauding)
Table 10: RS 232
5.1.6 Possible external devices
Audio
2 KΩ differential
Microphone 1 impedance
2V
Microphone 1 bias voltage
0,5 mA
Microphone 1 input current
2 KΩ differential
Microphone 2 impedance
2V
Microphone 2 bias voltage
0,5 mA
Microphone 2 input current
> 50 Ω (<1nF)
Speaker 1 impedance
> 50 Ω (<1nF)
Speaker 2 impedance
Table 11: Audio
5.2
Special functionality pins
Table 6 and Tabl e7 show the pin-configuration of the AMP
177984-2.
In these tables CMOS means 2.8 V. You may use a 3 V or 3.3 V
CMOS level logic (never 5 V) on the 2.8 V I/O's. However, it is required to add serial resistance on all the lines you will use (typical value:
from 4.7 to 10 KΩ).
There are a few pins needed for the operation of the module. The
handling of that pins is described as follows.
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Pin 30 (EN)
This signal is an input of the internal voltage regulator.
❐
Pull to LOW to switch the voltage regulator off (for minimum
current consumption).
❐
Pull to HIGH or leave the signal open if EN is not used.
Pin 27 (GPIO 1 → Flash_LED)
This signal can be used to show the current status of the module:
❐
If GPIO 1 is LOW then the module is off.
❐
If it is continuously HIGH then module is on, but not registered
into a network.
❐
If GPIO 1 is flashing in a 2sec period then the module is on and
registered into a network.
❐
If it flashes in a 1sec period then the module is on and a call is
in progress (incoming or outgoing).
GPIO 1 can be an input into a controller (here it needs to be driven
by an open collector circuit) or used together with a LED (see picture
below):
VCC 3V
D1
LED
R2
330
R1
GPIO 1
Q1
NPN
47K
Figure 5: GPIO 1
→ Flash_LED
Pin 35 (SIMPREK)
This signal needs to be driven by an open collector circuit. It is used
by the module's firmware to detect a SIM card exchange when the
module is online. A high to low transition means SIM card is inserted
and the module will be able to accept the AT+CPIN command. A low
to high transition means SIM card has been removed, the mo-dule
will de-register from the network and show the unsolicited error code
CME ERROR: 10.
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DVCC
10 K
SIMPRES
BC817
100 K
1K
SIMPREK
Figure 6: Sample-application SIMPREK
Pin 16 (RESET GSM)
This signal needs to be driven by an external open collector circuit.
❐
To issue a hardware reset pull the signal to LOW for a minimum of 100 ms.
❐
Pull the signal to HIGH or leave it open for normal operation.
Pin 11 (SOFT_ON)
This signal needs to be driven by an external open collector circuit.
❐
For switching the module on (external power must be connected!) set the SOFT_ON signal to HIGH for approx. 3 sec. The
signal can be left HIGH until module shall be switched off.
❐
For switching the module off the commands AT+CPOF or
AT+CFUN=0 have to be issued.
–
If SOFT_ON is HIGH then only the RF part of the module
is off, but the AT command set is still working (AT+CFUN=1
can be used to wake up the RF part again) → the
Flash_LED stays HIGH.
–
If SOFT_ON is LOW then the complete GSM engine goes
OFF → the Flash_LED goes LOW. Some small power consumption will be still there, use the EN pin to avoid that.
It is not recommended to switch the module on and off by means of
the power supply (e. g. by tying the SOFT_ON constantly to HIGH).
The module will so have no possibility to de-register correctly from
the network and this will cause problems at the next attempt to register.
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Pin 18 (VCCRTC)
This is the Pin for a +3 V DC back-up battery supply for the real-timeclock.
5.2.1 Firmware download procedure
The download procedure will be documented together with the firmware release on the FALCOM homepage (http://www.falcom.de).
5.2.2 Resetting the GSM–module by AT+CFUN=1,1
If the GSM software is still running, while the user feels the need to
reset the module, AT+CFUN=1,1 can be used. This will de-register
the modem from the network and bring it into the state before the
PIN could be entered.
The Flash_LED pin will shortly toggle to OFF and back to ON again
to show the progress.
5.3
GSM 07.05. and 07.07. commands
The GSM-modem of the FALCOM A2D-JP is controlled by an advanced set of AT-commands. In the following list there is a short
overview of these commands. For further information it is recommended to read the ETSI GSM recommendation or have a look at
the FALCOM A2(D) user manual which can be downloaded from the
homepage of FALCOM http://www.falcom.de/service/downloads
(document: a2dman.pdf).
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5.3.1 General AT commands
Command
Meaning
Command
Meaning
+++
Switch to command mode when connected
AT&C1
DCD matches state of the remote
modem's data carrier
ATA
Answer call
AT&D0
Ignore DTR signal
ATDx
Dial data number „x“
AT&D1
At DTR-> OFF: Switches from data
to command mode
ATDx;
Dial voice number „x“
AT&D2
At DTR-> OFF: Clear down the call
ATE0
Disable command echo
AT&W
Store current configuration
ATE1
Enable command echo
AT+IPR
Select the modem's data rate
ATH
Disconnect existing connection
AT+IFC
Select the modem's local flow control
setting
ATO
Return to data mode
AT+VGR
Tune the receive gain
ATS0=n
Go off-hook after n-th ringing signal
(n = „1“- „5“)
AT+VGT
Tune the transmit gain
ATS0=0
No automatic answering of calls
AT+VTD
Define DTMF tone duration
ATZ
Load stored profile
AT+VTS
Send DTMF tone
AT&C0
DCD always ON
Table 12: General AT commands
5.3.2 SMS AT commands (GSM 07.05)
Command
Meaning
Command
Meaning
AT+CSCA
Service centre address
AT+CMGR
Read message
AT+CSCS
Select TE character set
AT+CMGS
Send message
AT+CSDH
Show text mode parameter
AT+CMGD
Delete message
AT+CSMP
Select text mode parameter
AT+CMGL
List messages
AT+CSMS
Select message service
AT+CNMI
New message indication
AT+CPMS
Preferred message storage
AT+CSAS
Save SMS Settings
AT+CMGF
Text mode / PDU Mode
AT+CRES
Restore SMS Settings
Table 13: SMS AT commands
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5.3.3 GSM AT commands (GSM 07.07)
Command
Meaning
Command
Meaning
AT+CBST
Select the bearer type
AT+CPIN
Enter PIN and query blocks
AT+CCFC
Control the call forwarding supplementary service
AT+CPWD
Change PIN or the supplementary
password
AT+CCWA
Control the call waiting supplementary service
AT+CSQ
Display signal quality information
AT+CFUN
Select the functionality level in the
modem
AT+CR
Select connection service report
AT+CGMI
Display manufacturer ID
AT+CRC
Select call service report
AT+CGMM
Display model ID
AT+CLIP
Calling line identification presentation
AT+CGMR
Display version of GSM module
AT+CLIR
Control the calling line identification
presentation
AT+CGSN
Display serial number (IMEI)
AT+COLP
Control the connected line identification presentation
AT+CLCK
Change the PIN state or the call barring supplementary service
AT+GCAP
Display the complete capability list
AT+CREG
Display network registration status
AT+CMEE
Report mobile equipment errors
AT+COPS
Commands relating to network operator selection
AT+CEER
Extend error report
AT+CPAS
Display the activity state of the
mobile
Table 14: GSM AT commands
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GPS receiver
GPS receiver
6.1
General
This description is focussed on the GPS receiver of the FALCOM
JP2 series from FALCOM GmbH. It contains some short information
about purpose and use of the GPS receiver. The GPS receiver is a
single-board 12 parallel channel receiver intended as a component
for OEM Products. The GPS receiver continuously tracks all satellites in view, thus providing accurate satellite position data. The highly
in-tegrated digital GPS receiver uses the Zodiac 2000 chip set compo-sed of two custom CONEXANT devices together with suitable
memory devices.
Please consult CONEXANT for special information about the GPS
Zodiac 2000 chip set.
Signal acquisition performance
Initial ERROR uncertainties
maximum
ephemeris
age
Satellite
acquisition state
TTFF 90 %
probable
(minutes)
position (km)
velocity (m/sec)
time (min.)
hours
Warm
0,40
100
75
Initialised
1,00
100
75
Cold
2,30
N/A*
N/A
N/A
N/A
Frozen
N/A
N/A
N/A
N/A
N/A
Table 15: Signal acquisition performance
* Signal acquisition performance N/A = Not available
Accuracy
Position (meter)
horizontal
CEP
3-D
vertical
velocity
(meter/sec)
(2 dRMS)
SA off
25
50
93
78
SA on
50
100 (95 %)
200 (95 %)
173 (95 %)
0.1
Table 16: Accuracy
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6.2
GPS receiver
Product overview
The GPS receiver requires conditioned 3,3 V DC power and a GPS
signal from a passive or active antenna.
The 12 channel architecture provides rapid Time-To-First-Fix
(TTFF) under all start-up conditions. As long as visible satellites are
not obscured, acquisition is guaranteed under all initialisation conditions.
To minimise TTFF when main power is removed from the GPS receiver SRAM with external DC supply voltage and EEPROM are
used to archive RTC time and prior position data.
Communication with the GPS receiver is established through two
asynchronous serial I/O ports. The GPS receiver's primary serial
port outputs navigation data and accepts commands from OEM application in NMEA-0183 format or CONEXANT binary format.
The secondary port is configured to accept differential GPS (DGPS)
corrections in the RTCM SC-104 format.
6.2.1 GPS receiver architecture
Figure 7: GPS receiver architecture
The functional architecture of the GPS receiver is shown in Figure 7.
The GPS receiver design is based on the Conexant Zodiac chip set,
the RF-Monopac and the Scorpio DSP, which contain the required
GPS functionality. The RF-Monopac contains all the RF down-conversion and amplification circuitry, and presents the In-Phase (I) and
Quadrature-Phase (Q) Intermediate.
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Frequency (IF) sampled data to the Scorpio device. The Scorpio device contains an integral microprocessor and all the required GPSspecific signal processing hardware. Memory and other external
supporting components configure the GPS receiver into a complete
navigation system.
6.2.2 Product applications
6.3
❐
Automotive applications
❐
Marine navigation applications
❐
Aviation applications
❐
Timing applications
Technical description
6.3.1 General information
Since the GPS receiver determines its position by ranging signals
from four or more GPS satellites orbiting the Earth, its antenna must
have reasonable visibility of the sky.
Navigation modes
The GPS receiver supports three types of navigation mode operations.
❐
Three dimensional navigation (3D): The GPS receiver
defaults to 3-D navigation whenever at least four GPS satellites are being tracked In 3-D navigation, the GPS receiver computes latitude, longitude, altitude and time information from
satellites measurements.
❐
Two dimension navigation (2D): When less than four GPS
satellite signals are available or when a fixed value of altitude
can be used to produce an acceptable navigation solution, the
GPS receiver will enter the 2-D navigation mode. Forced operating in 2-D mode can be commanded by the OEM.
❐
DGPS navigation: The GPS receiver processes DGPS corrections through its Auxiliary serial port. These corrections
must be compliant with the RTCM recommended standards
RTMC-104.
Satellites acquisition
The TTFF of the GPS receiver depends from start conditions.
Start condition means if old satellites data are available and how old
they are. The conditions are:
❐
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continuous navigation. Data are available in SRAM.
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❐
Initialised start: is if last known position (in EEPROM) and
time are available. Satellite data validity has expired.
❐
Cold start: means only almanac information is used.
❐
Frozen start: no valid internal data source available.
Built in test (BIT) mode
A BIT is available on command from the application software using
binary Message 1300. The BIT is used to provide a health status of
the GPS receiver functions. Results of the BIT are available in binary
Message 1100. A BIT command is possible in NMEA protocol, too.
Power modes and power sequencing requirements
The GPS receiver have three power modes: Off, Operate, and
„Keep-Alive“.
The Off mode assumes that neither main power is available.
In the Operate mode the GPS receiver's components are full supplied at 3,3 VDC. The M_RST control signal is at a "high" logic level.
From Operate mode, the GPS receiver will enter a "Keep Alive"
mode when supply voltage is available at the VBATT signal input
and VC3 voltage is removed. VBATT provides power for SRAM and
RTC.
6.3.2 Hardware interface
The following paragraphs describe the basic functions allocated to
the various pins on the AMP interface connector. These functions
are divided into three groups: Configuration and timing signals, serial communication signals, and DC input signals.
6.3.2.1 Configuration and timing signals
Pin 55: Master reset (M_RST)
This signal allows the OEM to generate a system hardware reset to
the GPS receiver. This signal is capable of being driven directly by
an external microprocessor or by external logic without the need for
any external pull-up or pull-down resistors. The OEM can generate a
system reset to the GPS receiver by pulling the M_RST control signal low to ground.
The M_RST signal must be pulled to a CMOS logic „high“ level coincident
with, or after, the application of prime DC power for the receiver to enter its
Operate mode. The M_RST must be held at ground level for a minimum of
150 nanoseconds to assure proper generation of a hardware reset to the
receiver.
This signal can also be used to provide control of the GPS receiver's
Operate mode without removing prime input power from the GPS receiver. When M_RST is pulled to ground, the GPS receiver will enter
a low power state for as long as the M_RST signal is asserted low.
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In this state, a portion of the GPS receiver's RF circuitry is de-energized, the SRAMs are transitioned into their low power data retention state, and the RTC device is maintained. When the GPS receiver is placed into this low power state through the use of the M_RST
control signal, the GPS receiver will continue to draw current from
the primary input power (PWRIN) but at a reduced level.
When the M_RST signal is subsequently asserted high by the OEM,
RF power is re-applied, a system reset is generated, and the GPS
receiver will return to its normal Operate mode.
Pins 56, 53, 54 and 51: General Purpose I/O (GPIO1, GPIO2,
GPIO3 and GPIO4)
The GPS receiver provides four General Purpose Input/Output
(GPIO) connections that are available for use by the OEM.
These GPIO connections are digital interfaces that are OEM software programmable as inputs or outputs.
Pin 41: UTC Time Mark Pulse (TMARK)
The Time Mark output provides a one pulse-per-second (1 pps)
signal to the OEM application processor. When the GPS receiver
provides a valid navigation solution, the rising edge of each TMARK
pulse is synchronized with the UTC one second epochs to within
±300 nsec.
Pin 42: 10 kHz UTC synchronized clock
This is a 10 kHz clock waveform that is synchronized to the UTC
TMARK pulse.
This clock signal is a positive logic, buffered CMOS level output.
6.3.3 Serial communication signals
Both the configuration and timing signals, described in the previous section,
and the serial communication signals described below must be applied
according to the limits shown in table 17.
Symbol
Parameter
Limits (*)
Units
PWRIN 3
Main power input to the JP2 (+3,3 V DC)
3,135 to 3,465
volts
VIH (min)
Minimum high-level input voltage
0.7 x PWRIN
volts
VIH (max)
Maximum high-level input voltage
PWRIN
volts
VIL (min)
Minimum low-level input voltage
- 0,3
volts
VIL (max)
Maximum low-level input voltage
0,3 x PWRIN
volts
VOH (min)
Minimum high-level output voltage
0,8 x PWRIN
volts
VOH (max)
Maximum high-level output voltage
PWRIN
volts
Table 17: Digital signal requirements
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Symbol
Parameter
Limits (*)
Units
VOL (min)
Minimum low-level output voltage
volts
VOL (max)
Maximum low-level output voltage
0,2 x PWRIN
volts
tr, tf
Input rise and fall time
50
nanoseconds
C out
Maximum output load capacitance
25
picofarads
(*) PWRIN refers to a + 3,3 V DC power input (PWRIN-3)
Table 17: Digital signal requirements
Pins 49 and 50: host port serial data input and output (SDO1
and SDI1)
The host port consists of a full-duplex asynchronous serial data interface. Both binary and NMEA initialization and configuration data
messages are transmitted and received across this port.
The default ROM settings for the host serial data port are binary
message format, 9600 baud, no parity, 8 data bits, and 1 stop bit.
The default may be modified using custom OEM software.
The serial port settings may also be changed to a new configuration
using binary serial message 1330. The new serial port settings are
stored in SRAM and serial EEPROM. The next time the GPS receiver is powered on or a master reset is initiated, the serial port configuration parameters are accessed in the following priority:
1.
If SRAM checksums are valid, the communication parameters
and initialization data parameters will be read from SRAM.
2. If SRAM checksums are invalid and EEPROM checksums are
valid, the communication parameters and initialization data
parameters will be read from EEPROM.
3. If SRAM checksums are invalid and EEPROM checksums are
invalid, the default values in ROM will be used.
The OEM application must provide any Line Driver/Line Receiver
(LD/LR) circuitry to extend the range of the interface.
Port Idle is nominally a CMOS logical high (+ 3,3 V DC).
Pin 45 and 48: Auxiliary port serial data (SDI2 and SDO2)
The auxiliary port consists of a second half-duplex asynchronous
serial data interface. This port is configured to receive RTCM DGPS
correction data messages.
The default ROM settings for the Auxiliary Serial Data Port are 9600
baud, no parity, 8 data bits, and 1 stop bit. The default may be modified using custom OEM software.
The serial port settings may also be changed to a new configuration
using binary serial message 1330. The new serial port settings are
stored in SRAM and serial EEPROM. The next time the GPS receiver is powered on or a master reset is initiated, the serial port configuration parameters are accessed in the following priority:
1. If SRAM checksums are valid, the communication parameters
and initialization data parameters will be read from SRAM.
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2.
3.
If SRAM checksums are invalid and EEPROM checksums are
valid, the communication parameters and initialization data
parameters will be read from EEPROM.
If SRAM checksums are invalid and EEPROM checksums are
invalid, the default values in ROM will be used.
The OEM application must provide any LD/LR circuitry to extend the
range of the interface. Port Idle is nominally a CMOS logical high
(+ 3,3 V DC).
6.3.4 DC input signals
Do not apply power to a passive antenna or damage to the receiver will occur.
Pin 59: Preamp power input (PREAMP)
The OEM may optionally supply power to a preamplifier using the
antenna cable center conductor. The maximum voltage is +12 V DC
and the current must not exceed 100 mA.
Pins 58 and 60: Power input (PWRIN 3)
This signal is the main power input to the GPS receiver.
Regulated DC power requirements are shown in table 2.
Pin 57: Battery backup power input (VBATT)
This signal is used to provide a DC power input to the SRAM and
RTC devices only. The GPS receiver automatically switches to the
VBATT input signal when primary DC power (PWRIN) is removed
from the board.
This feature is intended to provide the GPS receiver with a "warm
start" capability by maintaining an accurate time source and using
position and satellite data stored in SRAM after prime input power
(PWRIN) has been removed from the GPS receiver.
Pins 43, 44, 46, 47 and 52: Ground (GND)
DC grounds for the board. All grounds are tied together through the
GPS receiver's printed wiring board (PWB) ground plane and should
all be grounded externally to the GPS receiver.
6.3.5 Software interface
The host serial I/O port of the GPS receiver serial data interface supports full duplex communication between the GPS receiver and the
OEM application. Data messages can be in the Conexant binary format or NMEA-01 83 format. The GPS receiver also contains an
auxiliary port dedicated to direct processing of the RTCM SC-104
messages for DGPS corrections.
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6.3.5.1 Binary data message
If you wish to use binary data message you get detailed information
in [6]. Binary data have more information but are difficult to use.
Output message name
Default messages
Message ID
Geodetic position status
Position, ground speed, course over ground, climb
rate, map, datum and validity
1000
Channel summary
Signal tracking information per satellite
1002
Visible satellites
Their corresponding elevation and azimuth best
possible DOP
1003
Differential GPS status
Corrections status of satellite
1005
Channel measurement
1007
ECEF position
Per channel
1009
Receiver ID
Send by power up
1011
User-settings
Built in test results
1012
For the hardware parts
UTC time mark pulse
1100
1108
Frequency standard
Parameter in use
1110
Power management
Duty cycle in use
1117
Serial port communication
Parameters in use
1130
EEPROM update
Show data ID for the last write
1135
EEPROM status
Show failure and status information
1136
Frequency standard table
1160
Boot status
1180
Status/Error
By firmware
1190
Geodetic position and velocity initialisation
Position, ground speed, course, over ground, climb
rate
1200
User defined datum definition
To transform the position solution
1210
Map datum select
For 1210
1211
Satellite elevation mask control
Set the elevation mask angle
1212
Satellites candidate select
1213
Differential GPS control
1214
Cold start control
Disable cold start
1216
Solution validity criteria
Position validity status
1217
User entered altitude input
Define altitude for 2D navigation
1219
Application platform control
Means special using
1220
Nav configuration
Control features by navigation
1221
Table 18: Binary data message
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GPS receiver
Output message name
Default messages
Perform built in test
Message ID
1300
Restart command
With different start condition
1303
Frequency standard Input parameters
Is used by GPS without non-volatile storage
1310
Power management control
1317
Serial port communication parameter
1330
Message protocol control
1331
Factory calibration input
For oscillator
1350
Raw DGPS RTCM SC-104 data
In lieu of the auxiliary port
1351
Frequency standard table input data
Flash reprogram
1360
For flash update
1380
Table 18: Binary data message
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6.3.5.2 NMEA data message
Detailed information shown in [6].
Output message name
Conexant proprietary
Built In test
Default messages
Test results for devices
Conexant proprietary
Error/status
Message ID
BIT
ERR
GPS Fix Data
Time, position, HDOP
GGA
GPS DOP and active satellites
Operating mode, DOP per coordinate, satellite
number
GSA
GPS satellites in view
Position an SNR per satellite. Max four satellites
per sentence
GSV
Conexant proprietary
Receiver ID
Channels, software version
RID
Recommended minimum specific
GPS Data (*)
Time, date, position, course and speed
RMC
Track made good and ground Speed
Course and speed
VTG
Conexant proprietary
Zodiac channel status (*)
PRN, status
ZCH
Input message name
Default messages
Message ID
IBIT
Conexant proprietary built in test
command
Conexant proprietary log control
message
Controls the output of the NMEA messages
ILOG
Conexant proprietary receiver
initialisation
Initialisation with specified parameters
INIT
Conexant proprietary
protocol message
Set the message format to BIN
IPRO
Standard query message
Request a NMEA message
Table 19: NMEA data message
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Description
A2D-JP evaluation board
A2D-JP evaluation board
The quickest way to get first results with the embedded GSM/GPS
module is the activation by the A2D-JP evaluation board by means
of a terminal program.
Figure 8: The A2D-JP evaluation board
Figure 8 shows the A2D-JP evaluation board in complete packaging
i. e.
–
A2D-JP evaluation board
–
A2D-JP module
–
power supply FRIWO type FW 3299 (12 VDC/580 mA)
–
GPS antenna ANT-006
–
RS232 combined cable KA08
–
headset with RJ45 plug
The evaluation board transfers data from GSM module and GPS receiver to two separate serial RS232 interfaces.
For voice communication by the GSM module there is a headset
A2D–JP
Version 1.03
Side 32
Description
A2D-JP evaluation board
available.
So the data of both modules can be processed by your PC at the
same time.
Thus the evaluation board offers an excellent possibility for development and testing (trials) of your own application on the base of the
embedded GSM/GPS modules A2D-JP.
A2D–JP
Version 1.03
Side 33

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Title                           : Description GPS receiver FALCOM JP2
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