Com Port 3 Connector (Cn20); Digital I/O Connector (Cn22) - Aaeon Compact Board PCM-9452 Manual

C o m p a c t B o a r d

2.35 COM Port 3 Connector (CN20)

Pin Signal
1 DCDC
3 TXC
5 Ground
7
RTSC
9 RIC

2.36 Digital I/O Connector (CN22)

Pin Signal
1 Port 1
3
Port 3
5 Port 5
7 Port 7
9 +5 Volt.
Mapping Table
BIOS
Setting
Port 8
Port 7
Port 6
Port 5
Port 4
Port 3
Chapter 2 Quick Installation Guide
(Digital I/O Address is 801H)
Connector
Definition
CN22 Pin 8
CN22 Pin 7
CN22 Pin 6
CN22 Pin 5
CN22 Pin 4
CN22 Pin 3
2-20
P C M - 9 4 5 2
Pin Signal
2 RXC
4 DTRC
6 DSRC
8
CTSC
10 N/C
Pin Signal
2 Port 2
4
Port 4
6 Port 6
8 Port 8
10 Ground
IT8712 GPIO
Address
Setting
Bit 7 U22 Pin 20 (GPIO 27)
Bit 6 U22 Pin 21 (GPIO 26)
Bit 5 U22 Pin 22 (GPIO 25)
Bit 4 U22 Pin 23 (GPIO 24)
Bit 3 U22 Pin 24 (GPIO 23)
Bit 2 U22 Pin 25 (GPIO 22)