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2.4.1 Digital I/O (CN9)
This connector offers 4-pair of digital I/O functions and address is 801H. The pin
definitions are illustrated below:
Pin
Signal
1
Digital- IN/OUT(Port1 Bit 1)
3
Digital- IN/OUT (Port1 Bit 4)
5
Digital- IN/OUT (Port3 Bit 4)
7
Digital- IN/OUT (Port6 Bit 3)
9
+5V
Chapter 2 – Hardware Information
Pin
Signal
2
Digital- IN/OUT (Port1 Bit 2)
4
Digital- IN/OUT (Port1 Bit 5)
6
Digital- IN/OUT (Port3 Bit 5)
8
Digital- IN/OUT (Port4 Bit 7)
10
GND
14
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