Kontron KTUS15-mITX - 1.1 Basic - Manual (Page 25)

KTD-00774-G KTUS15/mITX Page 25 of 84
4.4 Keyboard and Mouse connectors
Attachment of a keyboard or PS/2 mouse adapter can be done through the MINI-DIN (KBD) connector or via
the pinrow (KBDMSE) connector. All interfaces utilize open-drain signaling with on-board pull-up.
Note: PN 821091 Keyboard/Mouse cable splitter cable kit is available for connecting Keyboard and Mouse
via KBD connector.
The mouse and keyboard is supplied from SB5V when in standby mode in order to via keyboard or mouse to
make the system wake up from power saving states. The supply is provided through a 1.1A reset-able fuse.
4.4.1 MINI-DIN Keyboard and Mouse Connector (KBD)
Note Pull
U/D Ioh/Iol Type Signal
PIN# Signal Type Ioh/Iol Pull
U/D Note
1 2K7 TBD IOC MSCLK 6 5 KBDCLK IOC TBD 2K7
- - PWR 5V/SB5V 4 3 GND PWR - -
1 2K7 TBD IOC MSDAT 2 1 KBDDAT IOC TBD 2K7
Note 1: To use the PS/2 mouse in the KBD connector an adapter cable is required.
Signal Description – Keyboard & and mouse Connector (MSE & KBD), see below.
4.4.2 Keyboard and Mouse pinrow Connector (KBDMSE)
PIN# Signal Type Ioh/Iol
Pull
U/D
Note
1 KBDCLK IOC TBD 2K7
2 KBDDAT IOC TBD 2K7
3 MSCLK IOC TBD 2K7
4 MSDAT IOC TBD 2K7
5 5V/SB5V PWR - -
6 GND PWR - -
Signal Description – Keyboard & and mouse Connector (KBDMSE).
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.