AXIOMTEK IMB540, User Manual

Page: 19 / 68

IMB540 User’s manual
Board and Pin Assignments 13
2.3.9 GPIO Header (CN7)
This header (5x2-pin p=2.00mm) is for digital I/O interface.
Note
The default value of DIO1 to DIO8 is set as GPI with high level.
2.3.10 Internal Keyboard Connector (CN8)
The internal keyboard (PS/2 type) interface is available through a 5-pin connector.
2.3.11 Internal Mouse Connector (CN9)
The internal mouse (PS/2 type) interface is available through a 5-pin connector.
Pin Signal Pin Signal
1 DIO1 2 DIO8
3 DIO2 4 DIO7
5 DIO3 6 DIO6
7 DIO4 8 DIO5
9 NC 10 GND
Pin Signal
1 Keyboard Clock
2 Keyboard Data
3 NC
4 GND
5 +5V level
Pin Signal
1 Mouse Clock
2 Mouse Data
3 NC
4 GND
5 +5V level
2
4
6
8
10
1
3
5
7
9