Displays, And1743bst-led intelligent character display – Purdy AND1743BST-LED User 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