Purdy AND1743MST-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
03/13/11 3
Interface Pin Assignment
Pin No. Pin Out Level Function Description Pin No Pin Out Level Function Description
1 FGND – Frame Ground 11 DB0 H/L Data Bit 0
2 VSS 0V Power Supply Ground 12 DB1 H/L Data Bit 1
3 VDD 5V Power Supply Voltage 13 DB2 H/L Data Bit 2
4 VO – Contrast Adjustment Voltage 14 DB3 H/L Data Bit 3
5 /WR L Data Write 15 DB4 H/L Data Bit 4
6 /RD L Data Read 16 DB5 H/L Data Bit 5
7 /CE L Enable Signal 17 DB6 H/L Data Bit 6
8 C/D H/L Wr = “l”, C/D = “H”: Command Write; WR = “L”, C/D = “L:”:
Data Write; RD = “L”, C/D = “H”: Status Read; RD = “L”,
C/D = “L”: Data Read
18 DB7 H/L Data Bit 7
9 NC – No Connection 19 FS H/L H: 6*8/L: 8*8 Select of font
10 /RST L Reset Signal 20 RV – Revserse Data IN
Block Diagram
AND1743MST-LED
Intelligent Character Display
Power Supply