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Chapter 9 I/O Ports and Connectors
Keyboard and Mouse Connectors
These identical PS/2 compatible connectors share a common housing. The
top one is the mouse, and the bottom one is the keyboard.
OM00951A
12
6
43
5
Mouse Keyboard
Pin Signal Pin Signal
1 MSEDAT (mouse data) 1 KEYDAT (keyboard data)
2 NC (not connected) 2 NC (not connected)
3 GND (ground) 3 GND (ground)
4 FUSED_VCC (+5 V) 4 FUSED_VCC (+5 V)
5 MSECLK (mouse clock) 5 KEYCLK (keyboard clock)
6 NC (not connected) 6 NC (not connected)