Interfaces and Connectors
VL-EPICs-36 Reference Manual
39
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.
Table 18: PS/2 Mouse and Keyboard Pinout
VL-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
VL-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
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.