Kontron MOPSlcdLX - Manual (Page 24)

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 1
6 KBCLK Keyboard clock 5
7 GND Ground 3
8 VCC 1) Power +5V 4
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