Datasheet
GE-G12864A-CFH-V/RN page 8 / 23 15.06.2010
7.Interface Description
Pin No. Symbol Level Description
1 V
SS
0V Ground
2 V
DD
5.0V Supply voltage for logic
3 V
O
(Variable) Contrast Adjustment
4 D/I H/L H: Data , L : Instruction
5
R/ W
H/L
H: Read (MPU←Module) , L: Write (MPU→Module)
6 E H Enable signal
7 DB0 H/L Data bus line
8 DB1 H/L
Data bus line
9 DB2 H/L
Data bus line
10 DB3 H/L
Data bus line
11 DB4 H/L
Data bus line
12 DB5 H/L
Data bus line
13 DB6 H/L
Data bus line
14 DB7 H/L
Data bus line
15 CS1 H Select Column 1~ Column 64
16 CS2 H Select Column 65~ Column 128
17 /RST L Reset signal
18 Vout
-
Negative Voltage output
19. A
-
Power Supply for LED backlight ( + )
20. R
-
Power Supply for LED backlight Red
21. G
-
Power Supply for LED backlight Green
22. B
-
Power Supply for LED backlight Blue