Yellow-Green 12232A LCD Graphic Display Module 5V 122×32 Dots Without Backlight
The Yellow-Green 12232A LCD Graphic Display Module 5V 122×32 Dots Without Backlight is a compact and reliable monochrome display designed for embedded systems and industrial applications. It provides a clear yellow-green backlit screen with a 122×32 dot matrix resolution, suitable for displaying text, symbols, and simple graphics, Without Backlight. Operating at 5V, this module is compatible with various microcontrollers and supports easy interfacing for efficient data visualization. Ideal for measurement instruments, control panels, and handheld devices, the 12232A ensures stable performance, low power consumption, and long service life.
Features
- High-contrast yellow-green STN LCD for clear monochrome display.
- 122×32 dot matrix resolution ideal for text and simple graphics.
- Operates at 5V DC, compatible with most microcontrollers.
- Low power consumption design – no backlight for energy efficiency.
- 6 o’clock viewing direction for optimal readability.
- Supports 6800 / 8080 8-bit parallel or serial interface for flexible integration.
- Duty 1/32, Bias 1/6 driving method ensures stable operation.
- Compact module size suitable for handheld and embedded systems.
- Durable PCB with mounting holes for secure installation.
- Wide operating temperature range for industrial and outdoor applications.
Specifications
| Parameter | Value / Description |
| Model Number | 12232A |
| Display Type | Graphic LCD |
| Display Backlight | Without Backlight |
| Dot Matrix | 122 × 32 Dots |
| LCD Mode | STN (Super Twisted Nematic) |
| Display Color | Yellow-Green |
| Driving Method | Duty 1/32, Bias 1/6 |
| Viewing Direction | 6 o’clock direction |
| Operating Voltage (VCC) | 5V DC |
| Logic Voltage | 5V TTL Compatible |
| Controller IC | Commonly ST7920 or equivalent |
| Interface Type | 6800 / 8080 8-bit Parallel / Serial MPU Interface |
| Viewing Area | 60mm × 18mm |
| Board Module Dimensions | 84mm × 44mm × 13mm |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -30°C to +80°C |
| Character Font | User-definable graphics and text |
| Mounting Type | PCB Mount / Screw Holes Provided |
| Power Consumption | Low (No Backlight Power Required) |
Dimensions
- H1: 9mm
- H2: 4.7mm
Pinout configuration
| Pin | Name | Function / Description |
|---|---|---|
| 1 | VSS | Ground |
| 2 | VDD | +5V supply |
| 3 | Vo | Contrast adjustment (negative bias) |
| 4 | RS (or A0) | Register select (Instruction / Data) |
| 5 | R/W | Read / Write signal |
| 6 | E (or E1) | Enable / Strobe signal |
| 7 | DB0 | Data bit 0 |
| 8 | DB1 | Data bit 1 |
| 9 | DB2 | Data bit 2 |
| 10 | DB3 | Data bit 3 |
| 11 | DB4 | Data bit 4 |
| 12 | DB5 | Data bit 5 |
| 13 | DB6 | Data bit 6 |
| 14 | DB7 | Data bit 7 |
| 15 | CS1 | Chip Select 1 (if dual segment) |
| 16 | CS2 | Chip Select 2 (if dual segment) |
| 17 | RST | Reset (if available) |
| 18 | PSB | Parallel / Serial select |
| 19 | NC | No Connection / Optional |
| 20 | NC | No Connection / Optional |
Block Diagram & Interface
Applications
- Industrial control panels and automation systems.
- Measurement and diagnostic instruments.
- Embedded and microcontroller-based display projects.
- Handheld and portable electronic devices.
- Test and laboratory equipment displays.
- Consumer and home appliance interfaces.
- Communication and networking devices.
- Educational and prototype display projects.
Package Contents
- 1 x Yellow-Green 12232A LCD Graphic Display Module 5V 122×32 Dots Without Backlight
Note
- Display Type: Graphic LCD Without Backlight






Reviews
There are no reviews yet.