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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 240128-06
Pacific Display Devices
03.07.2006
4
1.6 Input Signal Function
Pin No.
Symbol
Level
Description
1
VSS
0V
Ground
2
VDD
5.0V
Supply voltage for logic
3
VO
Input
LCD Negative Bias
4
C/D
H/L
Code / Data
5
/RD
H/L
/Data Read
6
/WR
H/L
/Data Write
7-14
DB0-DB7
H/L
Bidirectional Data Bus Lines
15
/CE
H/L
/Chip Enable
16
/RST
L
/Reset
17
VEE
-20V
Output voltage for LCD (-V Option only, otherwise N.C.)
18
MD2
--
H=32, L=40
19
FS1
H/L
Font Select: H=6x8. L=8x8
20
NC
---
No Connection
A
LED A or BL2
---
LED Backlight Anode Connection or EL Backlight power
K
LED K or BL1
---
LED Backlight Cathode Connection or EL Backlight power
1.7 LCM Power, Contrast Control and Bias
VR:
20Kohm
Backlight
Power
VDD
VEE
VO
VSS
VDD
LCM
-22V
LED / ELP
Backlight
A
K
VR:
20Kohm
Backlight
Power
VDD
VEE
VO
VSS
VDD
LCM
LED / ELP
Backlight
A
K
*Note : DC-to-DC Converter Not Built In
*Note : DC-to-DC Converter Built In (-V Option)