122x32 Graphic LCD Display Module
Model No. WG12232L
►Graphic LCD 122x32
►IC: ST7920
►1/32 duty cycle
►Chinese version
►Same size as WG12232A
►Interface: 6800/SPI
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 122x32 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 | VSS | Ground |
| 2 | VDD | Power supply for logic |
| 3 | VO | 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 |
VO-VSS | 4.50 | V |
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