AAEON EMB-6908T - Manual (Page 37)

M i n i - I T X E M B - 6 9 0 8 T
Chapter 2 Quick Installation Guide 2 - 24
2.44 Digital I/O Connector (CN37, CN38)
This connector offers 4-pair of digital I/O functions and address is set in
BIOS. The default address is 2A1H. The pin definitions are illustrated
below:
Pin Signal
1 Digital-IN/ OUT 2 Digital-IN/OUT
3 Digital-IN/ OUT 4 Digital-IN/ OUT
5 Digital-IN/ OUT 6 Digital-IN/ OUT
7 Digital-IN/ OUT 8 Digital-IN/ OUT
9 +5V 10 GND
The pin definitions and registers mapping are illustrated below:
4 in / 4 out (CN37)
Pin8 Pin7 Pin6 Pin5 Pin4 Pin3 Pin2 Pin1
GPI 10 GPI 11 GPI 12 GPI 13 GPO 14 GPO 15 GPO 16 GPO 17
LSB MSB
8 in (CN37)
Pin8 Pin7 Pin6 Pin5 Pin4 Pin3 Pin2 Pin1
GPI 10 GPI 11 GPI 12 GPI 13 GPO 14 GPO 15 GPO 16 GPO 17
LSB MSB
8 out (CN37)
Pin8 Pin7 Pin6 Pin5 Pin4 Pin3 Pin2 Pin1
GPI 10 GPI 11 GPI 12 GPI 13 GPO 14 GPO 15 GPO 16 GPO 17
LSB MSB