122 x 32 Liquid Crystal Display

Model No. WG12232N

Graphic LCD 122×32
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

Category: Graphic LCD

Description

WG12232N is a monochrome 122×32 graphic LCD display module which is having the same mechanical size as WG12232D. This 122×32 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

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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