Ps/2 Keyboard And Mouse Connector (Kbdmse) (J15) - Kontron mITX-BDW-U User Manual

7.3. PS/2 Keyboard and Mouse Connector (KBDMSE) (J15)

A PS/2 keyboard/mouse can be attached via the pinrow connector KBDMSE (J15). Both interfaces utilize open-drain
signalling with on-board pull-up.
In standby mode the PS/2 mouse and keyboard are supplied from SB5 V, to enable keyboard or mouse activity to
bring the system out of power saving states. The supply is provided through a 1.1 A resettable fuse.
The PS/2 connector does not support wake functions.
Keyboard and Mouse Connector (KBDMSE) Pinout
PIN Signal
1 KBDCLK
2 KBDDAT
3 MSCLK
4 MSDAT
5 5 V/SB5 V
6 GND
Signal Description
MSCLK Bi-directional clock signal used to strobe data/commands from/to the PS/2 mouse.
MSDAT Bi-directional serial data line used to transfer data from or commands to the PS/2 mouse.
KDBCLK Bi-directional clock signal used to strobe data/commands from/to the PC-AT keyboard.
KBDDAT Bi-directional serial data line used to transfer data from or commands to the PC-AT keyboard.
Available cable kit:
PN 1053-2384 Bracket Cable 6-Pin to PS2-Kbd-Mse
www.kontron.com
Type Ioh/Iol
IOD /14 mA
IOD /14 mA
IOD /14 mA
IOD /14 mA
PWR
PWR
mITX-BDW-U – User Guide, Rev. 1.6
Pull U/D Note
2.7 KΩ
2.7 KΩ
2.7 KΩ
2. 7 KΩ
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