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19
VMC 3020 User Manual
Chapter 2: Jumpers and Connectors
GPS DR Function (Odometer and Direction)
Connector size: 1x4 4-pin header, 1.0mm pitch
Connector location: J4
4
1
Pin
Definition
Pin
Definition
1
GND
2
1PPS
3
ODOMETER
4
DIRECTION
Debug Port
Connector size: 1x10 10-pin header, 1.0mm pitch
Connector location: J11
10
1
Pin
Definition
Pin
Definition
1
GND
2
PCIRST#
3
33M_CLK
4
LPC_FRAME#
5
LPC_AD3
6
LPC_AD2
7
LPC_AD1
8
LPC_AD0
9
VCC3
10
VCC3
When installing the GPS module (M8L) for DR function,
Tx will change to direction and Rx will change to odometer.
The original RS232 Tx and Rx cannot be used anymore.