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KTD-S0005-C Page 20 PS/2 Keyboard Interface

MOPSlcdLX User's Guide

11 PS/2 Keyboard Interface

The keyboard and feature connector of the MOPSlcdLX offers four functions:

 PS/2 Keyboard

 Speaker

 Battery

 Reset button

11.1 Connector

The keyboard and feature connector is available through connector X15002 (10 pins). An adapter cable is

required to connect a standard keyboard to this interface. There is an adapter cable for the PS/2 keyboard

available from KONTRON (KAB-KB-PS2, part number 96060-0000-00-0). The adapter cables do not know

the other functions on this interface.

Header Pin Signal Name Function 6 pin PS/2

1 SPKR Speaker

2 GND Ground

3 /RESIN Reset input

4 RSVD Reserved

5 KBDAT Keyboard data

6 KBCLK Keyboard clock

7 GND Ground

VCC

Power +5V

9 BATT Battery

10 PWRGD Power good

Note: 1) To protect the external power lines of peripheral devices make sure that

- the wires have the right diameter to withstand the maximum available current.

- to enclosure of the peripheral device fulfills the fire-protecting conditions of IEC/EN 60950.

11.2 Signal Description

 When POWERGD goes high it starts the reset generator on the CPU module to pull the

onboard reset line high after a valid reset period. You also can use this pin as a low active

hardware reset for modules

 A battery (signal BATT) is not needed to hold CMOS setup data. Your configurations for

hard disks, floppy drives and other peripherals are saved in an onboard EEPROM. However

you need a battery to save the CMOS date and time when power supply is turned off

 SPKR is an output to drive a piezo electronic speaker

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