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Avalue EPI-LX800 User Manual

Page 55

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User’s Manual

EPI-LX800 Series User’s Manual

55

2.4.30

LCD Backlight Brightness Adjustment Connector (JVR)

Signal

PIN

+5V

1

VR

2

GND

3

VCC

JBKL

pin 4

JVR

3

2

1

Variation Resistor

(Recommended: 4.7KΩ, >1/16W)

2.4.31

PS/2 Keyboard & Mouse Connector (KB/MS)

Signal

PIN

PIN

Signal

KCLK

6

5

+5V

GND 4

3 GND

MDAT

2

1

KDAT

2.4.20.1 Signal

Description – PS/2 Keyboard & Mouse Connector (KB/MS)

Signal

Signal Description

KDAT

Bi-directional serial data line used to strobe data/commands from/to the PC-AT
keyboard.

MDAT

Bi-directional serial data line used to transfer data from or commands to the PS/2
mouse.

KCLK

Bi-directional clock signal used to strobe data/commands from/to the PC-AT
keyboard.