Kontron KTGM45-mITX Bedienungsanleitung PDF herunterladen (Seite 28)

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101

KTGM45 Users Guide

KTD-N0793-O Page 28

3.3 Keyboard and Mouse connectors

Attachment of a keyboard or PS/2 mouse adapter can be done through the stacked PS/2 mouse and

keyboard connector (MSE & KBD).

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.

3.3.1 MINI-DIN Keyboard and Mouse Connector (KBD)

Note

Pull

U/D

Ioh/Iol Type Signal PIN Signal Type Ioh/Iol

Pull

U/D

Note

MSCLK

IOD

/14mA

2K7

PWR

5V/SB5V

GND

PWR

MSDAT

IOD

/14mA

2K7

KBDCLK

IOD

/14mA

2K7

PWR

5V/SB5V

GND

PWR

KBDDAT

IOD

/14mA

2K7

Signal Description – Keyboard & and mouse Connector (MSE & KBD), see below.

3.3.2 Keyboard and Mouse pinrow Connector (KBDMSE)

PIN Signal Type Ioh/Iol

Pull

U/D

Note

KBDCLK

IOD

/14mA

2K7

KBDDAT

IOD

/14mA

2K7

MSCLK

IOD

/14mA

2K7

MSDAT

IOD

/14mA

2K7

5V/SB5V

PWR

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.

Connector Definitions

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