Purdy AND3222MST2 - Manual (Page 4)

Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
4 Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] 7/20/07
www.purdyelectronics.com
Displays
Connector Pin Assignment for Interface
Power Supply
Interface Pin Assignment
Terminal
No.
Symbol Level Function
1 V
SS
0V Power Supply Ground
2 V
DD
5V Logic Supply Voltage
3 V
O – 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 V
LCD
– Power Supply for LCD
18 FG – For GND
19 NC – No Connection
20 NC No Connection
Block Diagram
AND3222MST2