5 gps operations, 1 introduction, 2 ge863-gps serial ports – Telit Wireless Solutions GE863 User Manual
Page 91: 1 gps serial port a (sirf binary), 2 gps serial port b (nmea), Gps operations, Introduction, Ge863-gps serial ports, Gps serial port a (sirf binary), Gps serial port b (nmea)
GE863-GPS Software User Guide
1vv0300724 Rev. 2 - 24/01/07
5 GPS operations
5.1 Introduction
The GE863-GPS module is equipped with a SiRFStar III GPS receiver that is controllable by the GSM
modem using a setof AT commands or dedicated NMEA sentences.
5.2 GE863-GPS Serial Ports
4 serial ports are available on the module:
•
•
•
•
MODEM SERIAL PORT
MODEM SERIAL PORT 2 (GPS CONTROL PORT)
GPS SERIAL PORT A (SIRF BINARY)
GPS SERIAL PORT B (NMEA)
5.2.1 GPS SERIAL PORT A (SIRF BINARY)
This port is carrying out the GPS navigation data in SIRF BINARY format.
The default configuration is 57600 bps, 8, n, 1
It is available on the following pins:
PIN #
NAME
DESCRIPTION
TYPE
78
RX_GPS_BIN
GPS RX Data (Sirf Binary)
CMOS 2.8V
80
TX_GPS_BIN
GPS TX Data (Sirf Binary)
CMOS 2.8V
The typical integration requires connecting this pins to MODEM serial port 2.
5.2.2 GPS SERIAL PORT B (NMEA)
This port is carrying out the GPS navigation data in NMEA 0183 format.
The default configuration is 4800 bps, 8, n, 1
It is available on the following pins:
PIN #
NAME
DESCRIPTION
TYPE
68
TX_GPS
GPS TX Data (NMEA)
CMOS 2.8V
73
RX_GPS
GPS RX Data (NMEA)
CMOS 2.8V
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