10
I/O Signals of LCD Module
Pin Signal Specification/Function
1 STH1 Source Driver Start Pulse 1 ( When RL is High )
2 OEH Pulse for switching the output current of the Source Driver
3 Q2H Control signal for switching the Video Data for the Source Driver
4 CPH1 Source Driver Sampling Pulse 1
5 CPH2 Source Driver Sampling Pulse 2
6 CPH3 Source Driver sampling Pulse 3
7GND0 V
8 BLUE Video Signal (Blue)
9 GREEN Video Signal (Green)
10 RED Video Signal (Red)
11 VB Controls buffer current of Source Driver Output
12 RL +3V ( change left/right shift direction )
13 STH2 Source Driver Start Pulse 2
14 VEE Positive source voltage (+5V) for the Source Driver
15 Vcom
Applied voltage for facing electrode(amplitude changes with brightness
control)
16 VGH +12V for the Gate Driver
17 VDD +3V for the Source Driver and Gate Driver
18 STV2 Gate Driver Start pulse 2
19 OEV
Selects the output of the Gate Driver ( H: VGL output )
20 CPV Clocked pulse for the Gate Driver
21 UD -15V ( change upper/lower shift direction )
22 STV1 Not Used
23 VSS Negative source voltage( -15V ) for Gate Driver
24 Vgoff Gate Off voltage ( The level is changed by Brightness Adjuster )
I/O Signals of LCD Module
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