User's Manual

Telit GE863-GPS
Hardware User guide
1vv0300714, Rev. ISSUE#0, - 21/02/06
Reproduction forbidden without Telit Communication written authorization – All Right reserved – Right of modification reserved page 26 of 76
TIP: For a minimum implementation, only the TXD and RXD lines can be connected, the other lines
can be left open provided a software flow control is implemented.
The signals in the UART connector on the EVK are:
DCD RXD
TXD DTR
GND DSR
RTS CTS
RI GND
5.2 MODEM SERIAL PORT 2 (GPS CONTROL)
This port is used to control the GPS part by the GSM part.
It is available on the following pins:
PIN # NAME DESCRIPTION TYPE
25 TX_TRACE TX Data for GPS control CMOS 2.8V
26 RX_TRACE RX Data for GPS control CMOS 2.8V
The typical integration requires connecting this pins to GPS serial port A:
PIN # NAME
NAME
PIN#
25
TX_TRACE
RX_GPS_BIN
78
26
RX_TRACE
TX_GPS_BIN
80
5.3 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.