AND501GST Datasheet, PDF (2/2 Pages) Purdy Electronics Corporation – 20 Characters x 2 Lines Intelligent Alphanumeric Displays

Displays
Connector Pin Assignment
Pin
No.
Signal
Function
1
GND Ground
2
V_DD +5 Power Supply
3
V_D LCD Drive Voltage
4
RS
“H” Data Input
“L” Command Input
5
R/W Read/Write
6
E Enable Signal
7
DB0
8
DB1
9
DB2
10
DB3 ^{Data Bus}
DB0-DB7 are for 8-bit operation
11
DB4 _{DB4-DB8 are for 4-bit operation}
12
DB5
13
DB6
14
DB7
15
LED LED Anode
16
LED LED Cathode
Block Diagram
AND501GST/GST-LED
Intelligent Character Display
Power Supply
LCD panel is driven by the voltage V_DD–V_O, so an adjustable
V_O is required for contrast control and temperature
compensation.
Temperature Variations
Temperature
0°C
V_DD–V_O
4.80
+25°C
4.65
+50°C
4.35
Power Supply Block Diagram
Dimensional Outline
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
T l 408 23 8200 F 408 33 128
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