Graphic 122×32 Liquid Crystal Display Module

Model No. WG12232M

Graphic LCD 122×32
IC: ST79200
1/32 duty cycle
+5V power supply
Chinese version
Same size as WG12232B
Interface: 6800/SPI

Category: Graphic LCD

Description

WG12232M is a graphic 122×32 liquid crystal display module with the same mechanical dimensions as WG12232B. It has an outline size of 65.4 x 28.2 mm and a viewing area size of 54.8 x 19 mm, with an active area size of 48.76 x 15.32 mm. This 122×32 graphic LCD display is equipped with an ST7920 controller IC, supporting Traditional Chinese and Simplified Chinese fonts.

WG12232M supports both the 6800 8-bit parallel and SPI serial interfaces. It can operate within temperatures ranging from -20℃ to +70℃, with storage temperatures ranging from -30℃ to +80℃. The logic supply voltage for WG12232M is 4.5V to 5.5V, with a typical value of 5.0V.

Drawing

Data source ref:WG12232M-YYH-V#T

Specifications

Interface Pin Function

Pin No.	Symbol	Level	Description
1	Vdd	5V	Power supply for logic
2	Vss	0V	Ground
3	Vo	(Variable)	Positive operating voltage for LCD
4	/RES	H/L	HàL Reset the LCM;
5	E	H/L	Enable signal;
6	Vout	－	Positive voltage output
7	R/W	H/L	Enable signal;
8	RS	H/L	Data/ Instruction
9	DB0	H/L	Data bus
10	DB1	H/L	Data bus
11	DB2	H/L	Data bus
12	DB3	H/L	Data bus
13	DB4	H/L	Data bus
14	DB5	H/L	Data bus
15	DB6	H/L	Data bus
16	DB7	H/L	Data bus
17	NC	－	No connection
18	NC	－	No connection

Mechanical Data

Item	Dimension	Unit
Number of dots	122 x 32	－
Module dimension	65.4 x 28.2 x 6.8(Max)	mm
View area	54.8 x 19.0	mm
Active area	48.76 x 15.32	mm
Dot size	0.36 x 0.41	mm
Dot pitch	0.40 x 0.45	mm
Duty	1/32
Backlight Type	LED
IC	SBN1661G
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℃	－ 4.6 4.2	－ 4.75 －	5.3 4.9 －	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	1.2	mA

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