Signal Descriptions
ARM DUI 0224F Copyright © 2003-2007 ARM Limited. All rights reserved. A-15
A.10 Keyboard and mouse interface
The pinout of the KMI connectors J23 and J24 is shown in Figure A-12.
Figure A-12 KMI connector
Table A-8 shows signals on the KMI connectors.
1
2
3
4
5
6
Table A-8 Mouse and keyboard port signal descriptions
Pin
Keyboard (KMI0, J24) Mouse (KMI1, J23)
Signal Function Signal Function
1 KDATA Keyboard data MDATA Mouse Data
2 NC Not connected NC Not connected
3 GND Ground GND Ground
4 5V 5V 5V 5V
5 KCLK Keyboard clock MCLK Mouse clock
6 NC Not connected NC Not connected