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16
Chapter 2 Hardware Installation
Chapter 2
Digital I/O Power Select
2-3 On: +5V
1-2 On: +5V_standby
(default)
The JP11 is used to select the power of Digital I/O signal.
1
3
2
1
3
2
Digital I/O Output State
1-2 On: +5V or
+5V_standby
(default)
2-3 On: GND
Based on the power level of DIO (Digital I/O) selected on the JP11, JP12 (DIO pin 0-3) and
JP9 (DIO pin 4-7) are used to select the output state of Digital I/O: pull high or pull low.
When selecting pull high, the power selection will be the same as the JP11’s setting.
1
3
2
1
3
2
JP11
DIO 0-3
(JP12)
DIO 4-7
(JP9)