Ps/2 Mouse And Keyboard Interface; Push-Button Reset - VersaLogic Komodo VL-EPICs-36 Reference Manual

PS/2 Mouse and Keyboard Interface

A standard PS/2 keyboard and mouse interface is accessible through connector J4 of the
VersaLogic breakout board, VL-CBR-5009. The breakout board is connected to connector J13 of
the VL-EPICs-36. 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.

Push-Button Reset

Connector J13 includes an input for a push-button reset switch. Shorting J13, pin 37 to ground
causes the VL-EPICs-36 to reboot.
This connector uses IEC 61000-4-2-rated TVS components to help protect against ESD damage.
A reset button is provided on the VL-CBR-5009 breakout board.
VL-EPICs-36 Reference Manual
Table 18: PS/2 Mouse and Keyboard Pinout
VL-CBR-5009
J4 Top Pin Signal
1 MSDATA
2 –
3 GND
4 MKPWR
5 MSCLK
6 –
VL-CBR-5009
J4 Bottom Pin Signal
1 KBDATA
2 –
3 GND
4 MKPWR
5 KBCLK
6 –
Interfaces and Connectors
Description
Mouse Data
No Connection
Ground
+5.0V (Protected)
Mouse Clock
No Connection
Description
Keyboard Data
No Connection
Ground
+5.0V (Protected)
Keyboard Clock
No Connection
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