Home Products Graphic LCD WG12232N

122 x 32 Liquid Crystal Display

Model No. WG12232N

►Graphic LCD 122x32
►IC: ST7920
►1/32 duty cycle
►Internal boost optional for +3.0V power supply
►Chinese version
►Same size as WG12232D
►White LED backlight not available
►Interface: 6800/SPI

Description

WG12232N is a monochrome 122x32 graphic LCD display module which is having the same mechanical size as WG12232D. This 122x32 graphic LCD display is built in with ST7920 controller IC which supports Traditional Chinese and Simplified Chinese Font.  WG12232N supports 6800 8-bit parallel and SPI interface.  This module can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.

DRAWING

Winstar WG12232N 122 x 32 Liquid Crystal Display
Data source ref:WG12232N-YYH-VGB#

SPECIFICATIONS

Interface Pin Function

Pin No. Symbol Level Description
1 VLED 0V B/L Selected
2 VSS 0V Ground
3 VDD 5.0V Power supply for logic
4 Vo (Variable) Operating voltage for LCD
5 RS H/L H: Data ,  L : Instruction
6 E H/L ENABLE SIGNAL
7 VOUT   Positive Voltage Output
8 DB0 H/L Data bus line
9 DB1 H/L Data bus line
10 DB2 H/L Data bus line
11 DB3 H/L Data bus line
12 DB4 H/L Data bus line
13 DB5 H/L Data bus line
14 DB6 H/L Data bus line
15 DB7 H/L Data bus line
16 R/W H/L H : Read ; L : Write

Mechanical Data

Item Dimension Unit
Number of dots 122 x 32
Module dimension 59.0 x 29.3 x 5.5(Max) mm
View area 52.0 x 15.0 mm
Active area 45.72 x 11.97 mm
Dot size 0.345 x 0.345 mm
Dot pitch 0.375 x 0.375 mm
Duty 1/32
Backlight Type LED
IC ST7920
Interface 6800

Absolute Maximum Ratings

Item Symbol Min Typ Max Unit
Operating Temperature TOP -20 +70
Storage Temperature TST -30 +80
Input voltage VI -0.3 VDD+0.3 V
Supply voltage for Logic VDD-VSS -0.3 5.5 V
LCD Driver Voltage VLCD -0.3 7.0 V

Electrical Characteristics

Item Symbol Condition Min Typ Max Unit
Supply Voltage For Logic VDD-VSS 4.5 5.0 5.5 V
Supply Voltage For LCD V0-VSS Ta=-20℃
Ta=25℃
Ta=70℃

4.2

4.35

4.5
V
V
V
Input High Volt. VIH 0.7VDD VDD V
Input Low Volt. VIL -0.3 0.6 V
Output High Volt. VOH 0.8VDD VDD V
Output Low Volt. VOL 0.4 V
Supply Current IDD VDD=5.0V 0.8 1.0 1.5 mA


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