1

VDD

5.0V

Power supply (+5V)

2

VSS

0V

Power supply (GND)

3

Vo

(Variable)

Contrast Adjustment

4

DB0

H/L

Data bus line

5

DB1

H/L

Data bus line

6

DB2

H/L

Data bus line

7

DB3

H/L

Data bus line

8

DB4

H/L

Data bus line

9

DB5

H/L

Data bus line

10

DB6

H/L

Data bus line

11

DB7

H/L

Data bus line

12

CS1

L

Select Column 1~ Column 64

13

CS2

L

Select Column 65~ Column 128

14

RST

L

Reset signal

15

R/W

H/L

H: Read (MPU←Module) , L: Write (MPU→Module)

16

D/I

H/L

H: Data , L : Instruction

17

E

H

Enable signal

18

Vee

-

Negative Voltage output

19

A

-

Power Supply for LED (+)

20

K

-

Power Supply for LED (- )