User's Manual

SEED-7I0A-55
3、Product port function details
name function
Pin
remarks
digital signal
input
System
settings
SYS_SET 3
signal
DI 30
One key start signal
Digital signal
output
signal output
DO 8
Electrical signal on battery
signal output
DO 9
Start signal
Audio output
Audio ground
A_GND 5
Power amplifier
Audio power
supply
A_POWER 4
Power supply of power
amplifier
Left vocal
tract
A_LF 6
Right vocal
tract
A_RF 7
Right channel
MUTE MUTE 16
amplifier MUTE
STB STANDBY 23
amplifier STB
Video input
camera
CAM1+ 10
camera 1 signal +
CAM1- 11
camera 1 signal -
One button
start
indicator
light
red
26
One button start red light
green
27
One button start green
light
Ice blue
28
One button start ice blue
light belt
SMI control
SMI 17
Key switch
GND
GND 24,33
12V output
+12VOUT 14,22
Camera power supply
+5V output
+5VOUT 29
Sensor power supply
Power input
+24VIN 25,34
Rating：12~24V
communication
CAN1
CAN1_H 2
CAN1_L 1
CAN2 CAN2_H 32
Power on and ground short
circuit into BIOS, wiring
harness is not connected
Left channel
There is no internal 120 Ω
terminal resistance, which
needs external connection
CAN2_L 31
There is no internal 120 Ω
terminal resistance, which
needs external connection