Interfaces and Connectors
EBX-22 Reference Manual
39
PS/2 Keyboard and Mouse
A standard PS/2 keyboard and mouse interface is accessible through connector J4 of the
VersaLogic breakout board, CBR-5009. The breakout board is connected to connector J14 of the
EBX-22. The 5V power provided to the keyboard and mouse is protected by a 1 Amp fuse.
This connector uses IEC 61000-4-2-rated TVS components to help protect against ESD damage.
Table 13: PS/2 Mouse and Keyboard Pinout
CBR-5009
J4 Top Pin
Signal
Description
1 MSDATA
Mouse
Data
2 –
No
Connection
3 GND Ground
4 MKPWR
+5.0V
(Protected)
5 MSCLK
Mouse
Clock
6 –
No
Connection
CBR-5009
J4 Bottom Pin
Signal
Description
1 KBDATA
Keyboard
Data
2 –
No
Connection
3 GND Ground
4
MKPWR
+5.0V (Protected)
5 KBCLK
Keyboard
Clock
6 –
No
Connection
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