Cd-In Connector (Cn1); Digital I/O Connector (Cn2) - Aaeon EMB-945T Manual

M i n i I T X

2.13 CD-IN Connector (CN1)

Pin
1
2
3
4

2.14 Digital I/O Connector (CN2)

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
3 Digital-IN/ OUT
5 Digital-IN/ OUT
7 Digital-IN/ OUT
9 +5V
The pin definitions and registers mapping are illustrated below:
4 in / 4 out
Pin8 Pin7
GPI 27 GPI 26
MSB
8 in
Pin8 Pin7
GPI 27 GPI 26
MSB
8 out
Pin8 Pin7
GPO 27 GPO 26
MSB
Chapter 2 Quick Installation Guide
Signal
CD_IN_L
CD_GND
CD_GND
CD_IN_R
Pin6 Pin5
GPI 25 GPI 24
Pin6 Pin5
GPI 25 GPI 24
Pin6 Pin5
GPO 25 GPO 24
2 - 12
E M B - 9 4 5 T R e v . A
Pin Signal
2 Digital-IN/OUT
4 Digital-IN/ OUT
6 Digital-IN/ OUT
8 Digital-IN/ OUT
10 GND
Pin4 Pin3
GPO 23 GPO 22
Pin4 Pin3
GPI 23 GPI 22
Pin4 Pin3
GPO 23 GPO 22
Pin2 Pin1
GPO 21 GPO 20
LSB
Pin2 Pin1
GPI 21 GPI 20
LSB
Pin2 Pin1
GPO 21 GPO 20
LSB