LCD Display Module 20x4 Character 204A

20X4 LCD 204A      20 Characters X 4 Line (Row)

PIN No.

Symbol

Function

1

VSS

 Ground(0V)

2

VDD

Supply voltage +5.0V

3

VO/VEE

Contrast Adjustment

4

RS

Data/Instruction Select

5

R/W

Read/write Select

6

E

Enable Signal

7

DB0

Data Bus

8

DB1

Data Bus

9

DB2

Data Bus

10

DB3

Data Bus

11

DB4

Data Bus

12

DB5

Data Bus

13

DB6

Data Bus

14

DB7

Data Bus

15

LEDA  +

Backlight VCC  +5V

16

LEDK  -

Backlight Ground   0V