M i n i I T X
E M B - 9 4 5 T R e v . A
Chapter 2 Quick Installation Guide
2 - 12
2.13 CD-IN Connector (CN1)
Pin Signal
1 CD_IN_L
2 CD_GND
3 CD_GND
4 CD_IN_R
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
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
Pin8 Pin7 Pin6 Pin5 Pin4 Pin3 Pin2 Pin1
GPI 27
GPI 26
GPI 25
GPI 24
GPO 23
GPO 22
GPO 21
GPO 20
MSB
LSB
8 in
Pin8 Pin7 Pin6 Pin5 Pin4 Pin3 Pin2 Pin1
GPI 27
GPI 26
GPI 25
GPI 24
GPI 23
GPI 22
GPI 21
GPI 20
MSB
LSB
8 out
Pin8 Pin7 Pin6 Pin5 Pin4 Pin3 Pin2 Pin1
GPO 27
GPO 26
GPO 25
GPO 24
GPO 23
GPO 22
GPO 21
GPO 20
MSB
LSB
Содержание EMB-945T
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