AR-B9673 User’s Guide
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3.12 GENERAL PURPOSE I/O (GPIO1)
7 1
8 2
3.12.1 GPIO Address Select (JP3)
JP3
Users could test GPIO function under ‘Debug’ program as follow:
C:>debug
O 215 01H
Generally, the GPIO2 Pin2 will be High Level, others output pin
are Low Level.
I 215
FC
Generally, suppose that GPIO1’s Pin1 and Pin3 are High Level
then will show “FC”
3.13 POWER CONNECTOR (PWR1, PWR2)
1 4
(PWR1)
The PWR1 is a 4-pin power connector. It’s the standard connectors on all Acrosser boards.
1 2
(PWR2)
Pin
Signal
Pin
Signal
1 GPI0
2 GPO0
3 GPI1
4 GPO1
5 GPI2
6 GPO2
7 GPI3
8 GPO3
JP3
ADDRESS
ON 215H
(Factory
Preset)
OFF 77H
PIN
Signal
1
+12V
2 GND
3 GND
4 VCC
(+5V)
PIN
Signal
1
-12V
2 -5V