Kbd/Mse (J27) - Kontron KTA75/Flex User Manual

KTD-N0876-0

7.12 KBD/MSE (J27)

Attachment of a PS/2 keyboard/mouse can be done through the pinrow
connector KBDMSE (J27) type Molex 22-23-2061 or similar.
Both interfaces utilize open-drain signalling with on-board pull-up.
The PS/2 mouse and keyboard is supplied from SB5V when in standby mode
in order to enable keyboard or mouse activity to bring the system out
from power saving states. The supply is provided through a 1.1A
resettable fuse.
PIN Signal
1 KBDCLK
2 KBDDAT
3 MSCLK
4 MSDAT
5 5V/SB5V
6 GND
Signal Description – Keyboard & and mouse Connector (KBDMSE).
Signal Description
Bi-directional clock signal used to strobe data/commands
MSCLK
from/to the PS/2 mouse.
Bi-directional serial data line used to transfer data from or
MSDAT
commands to the PS/2 mouse.
Bi-directional clock signal used to strobe data/commands
KDBCLK
from/to the PC-AT keyboard.
Bi-directional serial data line used to transfer data from or
KBDDAT
commands to the PC-AT keyboard.
Available cable kit:
PN 1053-2384 Bracket Cable 6-Pin to PS2-Kbd-Mse
Page 46
Type Ioh/Iol
IOD /14mA
IOD /14mA
IOD /14mA
IOD /14mA
PWR -
PWR -
KTA75/Flex Users Guide
KTA75/Flex Users Guide
Connector Signal Definition
Pull
Note
U/D
2K7
2K7
2K7
2K7
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-