User's Manual

USER'S MANUAL, VERSION 4.0
17
4.4 GPIO Port Signals
Below figure shows the output and input signal for the GPIO signals.
GPI : Input ports
GPO : Output ports
Fig 4-9 GPIO Input and Output signals
+5V
GPO1(+)
GPI2(+)
GPO2(+)
GPI1(+)
GND
GPI3(+)
GPO3/
GPO4(
-)
GPO4(+)
GPO3(+)
GPI4(+)
GPO1(
-)
GPO2(
-)
GPI1/GPI3 (
-)
GPI2/GPI4(
-)