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GV320 User manual
TRACGV320UM001
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Figure 2.
The 16 PIN connector on the GV320
Table 4.
Description of 16 PIN Connections
Index Description Comment
1
MICP
Single end, 2-2.2k microphone, internal bias
2
AGND
Analog ground
3
IGN
Ignition input, positive trigger
4
RXD
UART RXD, RS232
5
TXD
UART TXD, RS232
6
GND
Power and digital ground
7
OUT3
Open drain, 150mA max
8
OUT2
Open drain, 150mA max
9
EARP
Differential output, 32ohm 1/4w speaker
10
EARN
11
PWR
External DC power input, 8-32V
12
IN2
Digital input, negative trigger
13
IN1
Digital input, negative trigger
14
OUT1
Open drain, 150mA max ,with latch circuit
15
AD1/IN3
Multifunction input, analog or digital input
0-16V
16
AD2
Analog input 0.3-16v
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