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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
PACIFIC DISPLAY DEVICES
07.21.2006
4
1.6 Input Signal Function
Pin No.
Symbol
Level
Description
1
FG
--
Frame Ground
2
VSS
0V
Ground
3
VDD
5.0V
Supply voltage for logic
4
Vo
--
Supply voltage for LCD
5
/WR
H/L
/Data Write
6
/RD
H/L
/Data Read
7
/CE
H/L
/Chip Enable
8
C/D
H/L
Code / Data
9
/RST
L
/Reset
10-17
DB0-DB7
H/L
Bidirectional Data Bus Lines
18
FS
H/L
Font Select: H=6x8. L=8x8
19
LED K or BL1
---
LED Backlight Cathode Connection or EL Backlight power
20
LED A or BL2
---
LED Backlight Anode Connection or EL Backlight power
1.7 LCM Power, Contrast Control and Bias
VR:
20Kohm
Backlight
Power
VDD
VO
VSS
VDD
LCM
-8V
ELED
Backlight
A
K
VR:
20Kohm
Backlight
Power
VDD
VO
VSS
VDD
LCM
-8V
EL
Backlight
BL1
BL2