KTD-N0819-K Page 45
6.3 PS/2 Keyboard and Mouse connector (KBDMSE) (J27)
Attachment of a PS/2 keyboard/mouse can be done through the pinrow connector KBDMSE (J27).
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 Type Ioh/Iol
Note
Signal Description – Keyboard & and mouse Connector (KBDMSE).
Available cable kit:
PN 1053-2384 Bracket Cable 6-Pin to PS2-Kbd-Mse
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.
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