DR + GPS
STARTER KIT REFERENCE MANUAL
Lassen DR + GPS Reference Manual 134
Table 106: Table 115: DR Module Pin Assignments
Pin Input/Output Function Description
1 Output TX2 Factory use only
2 Input Vantenna Voltage for GPS antenna (+5V)
3 Output TX1 Serial port1 transmit
4 Input Vbackup Backup power (2.5 - 3.6V)
5 Input RX1 Serial port1 receive
6 Output PPS Pulse per second
7 Input VCC Main Power (+3.3V)
8 Input GND Power Ground
9 Input Gyro input Analogue gyro input
10 Input Tacho 1 Tacho pulses (Tacho only or ABS-L) (0/3.3V)
11 Input Reset External Reset
12 Input Reverse
Signal
Forward/backward signal (0/3.3V)
13 Input Gyro_GND Gyro Ground
14 Input Vgyro Voltage for gyro circuitry (3.3 or 5V)