122×32 Graphic LCD Display Module

Model No. WG12232L

Graphic LCD 122×32
IC: ST7920
1/32 duty cycle
Chinese version
Same size as WG12232A
Interface: 6800/SPI

Category: Graphic LCD

Description

The WG12232L LCD display module comes equipped with a PCB board, eliminating the need for customers to develop additional PCB boards themselves. Screw holes are designed on the PCB to facilitate easy installation of the module on the application product.

This monochrome 122×32 graphic LCD display shares the same mechanical size as the WG12232A, featuring an outline size of 84 x 44 mm and a viewing area size of 60 x 18 mm. Equipped with an ST7920 controller IC, it supports traditional Chinese and simplified Chinese fonts. Additionally, the WG12232L supports both the 6800 8-bit parallel and SPI serial interfaces, making it versatile for various applications. Operating temperatures range from -20℃ to +70℃, with storage temperatures ranging from -30℃ to +80℃.

Drawing

Specifications

Interface Pin Function

Pin No.	Symbol	Description
1	V_SS	Ground
2	V_DD	Power supply for logic
3	V_O	Contrast Adjustment
4	RS	Data/ Instruction select signal
5	Vout	Positive Voltage output
6~7	NC	No connection
8	E	Enable signal
9	R/W	Read/Write select signal
10~17	DB0~DB7	Data bus line
18	/RES	Controller reset signal, Active Low
19	A	Power supply for B/L +
20	K	Power supply for B/L –

Mechanical Data

Item	Standard Value	Unit
Module Dimension	84.0 × 44.0	mm
Viewing Area	60.0 × 18.0	mm
Mounting Hole	79.0 × 36.0	mm
Dot Pitch	0.44 × 0.49	mm
Dot Size	0.40 × 0.45	mm

Electrical Characteristics

Item	Symbol	Standard Value typ.	Unit
Input Voltage	VDD	3/5	V
Recommended LCD Driving Voltage for Normal Temp. Version module @25°C	V_O-V_SS	4.50	V

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