Purdy AND1743BST-LED - Manual (Page 4)

Displays
Purdy Electronics Corporation • 755 North Pastoria Avenue • Sunnyvale, CA 94085-2918
Tel: 408-523-8200 • Fax: 408-733-1287 • [email protected] • www.purdyelectronics.com
01/13/13 4
AND1743BST-LED
Intelligent Character Display
Power Supply
Interface Pin Assignment
Pin No. Pin Out Function Description Level Pin No Pin Out Function Description Level
1 FGND Frame Ground — 11 DB0 Data Bit 0 H/L
2 VSS Power Supply Ground 0V 12 DB1 Data Bit 1 H/L
3 VDD Power Supply Voltage 5V 13 DB2 Data Bit 2 H/L
4 V0 Contrast Adjustment Voltage — 14 DB3 Data Bit 3 H/L
5 /WR Write Signal L 15 DB4 Data Bit 4 H/L
6 /RD Read Signal L 16 DB5 Data Bit 5 H/L
7 /CE Enable Signal L 17 DB6 Data Bit 6 H/L
8 C/D 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
H/L 18 DB7 Data Bit 7 H/L
9 NC No Connection — 19 FS H: 6*8, L: 8*8 Select of Font H/L
10 /RST Reset Signal L 20 RV Display Data reverse: RV=”H”:
Reverse display, RV=”L”: Nor-
mal display
H/L