102
5
Ports and Connectors
Digital I/O Signal Voltage Select
JP9
JP9 is used to confi gure DIO to signal voltage select.
The pin function of DIO port will vary according to the jumper’s setting respec-
tively.
DIO
3
1
2
1-2 On:
+3.3V (default)
JP9
DIO
2-3 On:
+5V
3
1
2
DIO1
DIO3
DIO5
1
3
5
DIO7
GND
7
9
DIO2
DIO4
DIO6
2
4
6
DIO8
8
