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AND771GST Fiches technique(PDF) 3 Page - Purdy Electronics Corporation

No de pièce AND771GST
Description  Intelligent Character Display
PDF  3 Pages
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Fabricant  PURDY [Purdy Electronics Corporation]
Site Internet  http://www.purdyelectronics.com
Logo PURDY - Purdy Electronics Corporation

AND771GST Fiches technique(HTML) 3 Page - Purdy Electronics Corporation

  AND771GST Datasheet HTML 1Page - Purdy Electronics Corporation AND771GST Datasheet HTML 2Page - Purdy Electronics Corporation AND771GST Datasheet HTML 3Page - Purdy Electronics Corporation  
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Intelligent Character Display
AND771GST/GST-LED
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
3
Tel: 408.523.8200 • Fax: 408.733.1287 • sales@purdyelectronics.com • www.purdyelectronics.com
7/23/07
Power Supply
LCD panel is driven by the voltage V
DD–V
O, so adjustable VO
is required for contrast control and temperature
compensation.
Power Supply Block Diagram
Block Diagram
Dimensional Outline
Connector Pin Assignment
Pin No.
Signal
Function
1
GND
Ground
2
VDD
+5 Power Supply
3
VO
LCD Drive Voltage
4RS
“H” Data Input
“L” Command Input
5
R/W
Read/Write
6
E
Enable
7
DBO
Data Bus
DB0-DB7 are for 8-bit operation
DB4-DB7 are for 4-bit operation
8
DB1
9
DB2
10
DB3
11
DB4
12
DB5
13
DB6
14
DB7
15
NC
No Connection
16
NC
No Connection
Temperature Variations
Temperature
VDD–VO
0°C
5.00
+25°C
4.75
+50°C
4.50
V
DD
V
O
GND
V
DD – VO
V
DD – VO = LCD Drive Voltage
VR10 to 20 k
Ω
VR
V
DD
(+5V)
Controller/
Driver
E
R/W
RS
V
DD
V
O
GND
DB0-DB7
8
40
16
2
LCD
Driver
40
Driver
40



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