Purdy AND1781BST-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
09/26/10 3
Interface Pin Assignment
Pin No. Pin Out Function Description Pin No Pin Out Function Description
1 FGND For Ground 11 DB0 Data Bit 0
2 VSS Power Supply Ground 12 DB1 Data Bit 1
3 VDD Power Supply Voltage 13 DB2 Data Bit 2
4 VO Contrast Adjustment Voltage 14 DB3 Data Bit 3
5 /WR Data Write 15 DB4 Data Bit 4
6 /RD Data Read 16 DB5 Data Bit 5
7 /CE Enable Signal 17 DB6 Data Bit 6
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
18 DB7 Data Bit 7
9 NC No Connection 19 FS H: 6*8/L: 8*8 Select of font
10 /RST Reset Signal 20 NC No Connection
Block Diagram
AND1781BST-LED
Intelligent Graphic Display
Power Supply