Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085

4

Tel: 408.523.8200 • Fax: 408.733.1287 • sales@purdyelectronics.com

7/20/07

www.purdyelectronics.com

Displays

Connector Pin Assignment for Interface

Power Supply

Interface Pin Assignment

Terminal

No.

Symbol

Level

Function

1

0V

Power Supply Ground

2

5V

Logic Supply Voltage

3

–

Contrast Adjustment Voltage

4

/RD

L

Read Signal

5

/WR

L

Write Signal

6

Ao

H/L

Data Type Select

7

DB0

H/L

Data Bus Line

8

DB1

H/L

9

DB2

H/L

10

DB3

H/L

11

DB4

H/L

12

DB5

H/L

13

DB6

H/L

14

DB7

H/L

15

/CS

L

Chip Signal

16

/RST

L

Reset Signal

17

–

Power Supply for LCD

18

FG

–

For GND

19

NC

–

No Connection

20

NC

No Connection

Block Diagram

AND3222MST2