Purdy AND671WGST-LED - Manual (Page 3)

Displays
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
Tel: 408-523-8200 • Fax: 408-733-1287 • [email protected] • www.purdyelectronics.com
6/20/11 3
Interface Pin Assignment
Pin No. Pin Out Level Function Description Pin No Pin Out Level Function Description
1 VSS 0V Power Supply Ground 9 DB2 H/L Data Bit 2
2 VDD 3.3V Power Supply Voltage 10 DB3 H/L Data Bit 3
3 V0 — Contrast Adjustment 11 DB4 H/L Data Bit 4
4 RS H/L Register Select 12 DB5 H/L Data Bit 5
5 R/W H/L Read/ Write 13 DB6 H/L Data Bit 6
6 E H, H —>L Enable Signal 14 DB7 H/L Data Bit 7
7 DB0 H/L Data Bit 0 15 A 3.5V LED Power Supply (+)
8 DB1 H/L Data Bit 1 16 K 0V LED Power Supply (-)
Block Diagram
AND671WGST-LED
Intelligent Character Display
Power Supply