Hardware Setup
The Lassen iQ GPS receiver supports the TSIP and NMEA protocols. A single port supports both the input/output of TSIP messages and the output of NMEA messages. The pin details of the GPS receiver is given below.
Pin Number - Function - Description
1 TXD - A Serial Port A transmit, 3.3 V TTL CMOS
2 Gnd - Ground, Power and Signal
3 RXD A - Serial Port A receive, 3.3 V TTL CMOS
4 PPS - Pulse-Per-Second, 3.3 V TTL CMOS
5 TXD B - Serial port B transmit, 3.3V TTL CMOS
6 RXD B - Serial port B receive, 3.3V TTL CMOS
7 Prime Power (VCC) +3.3 VDC to ± 0.3 VDC
8 Battery Backup Power +2.5 VDC to + 3.6 VDC
Hardware Details of Trimble's Lassen IQ GPS Reciever
Hardware Details of Trimble's Lassen IQ GPS Reciever