2.4″ TFT LCD Display Module 240×320 ILI9341 ST7789 24Pins
2.4" TFT LCD Display Module 240x320 ILI9341 ST7789 24Pins: An In-Depth Technical Overview
The 2.4-inch TFT LCD display module is a high-resolution, transmissive-type active matrix display featuring a pixel arrangement of 240RGB × 320 dots. Engineered for seamless integration with microcontrollers, this module utilizes a TFT panel composed of 720 source lines and 320 gate lines. Its driver IC, either ILI9341 or ST7789, ensures efficient and precise control. The module provides a 16-bit parallel interface for reliable data transmission and is designed to operate within a broad temperature range, making it suitable for diverse applications.
Key Features and Specifications
Display Characteristics
Display Mode: Transmissive a-Si TFT
Display Format: Graphic 240RGB × 320 Dot-matrix
Interface Type: 16-bit parallel interface
Viewing Direction: 12 o’clock
Driver IC: ILI9341 or ST7789
Number of Pins: 24
Environmental Parameters
Operating Temperature: -20°C to 70°C
Storage Temperature: -30°C to 80°C
Backlight Configuration: 4 × LED
Mechanical and Optical Properties
Display Direction: Adjustable
Touch Support: No touch functionality
Dimensional Outline: 43.00 mm (W) × 72.26 mm (H) × (T) mm
Active Area: 36.72 mm (W) × 48.96 mm (H)
Pixel Size: 0.180 mm × 0.180 mm
Structural and Functional Insights
Display Panel Composition
The module is built upon an advanced thin-film transistor (TFT) active matrix, which enhances image clarity and color reproduction. The combination of 720 source drivers and 320 gate drivers ensures stable and flicker-free performance. This display structure facilitates high-speed data transmission, making it ideal for real-time graphical user interfaces.
Interface and Connectivity
The 16-bit parallel interface supports rapid communication with microcontrollers, ensuring swift data rendering and minimal latency. This interface configuration is especially beneficial in applications where high-speed data exchange is essential, such as industrial control panels and embedded systems.
Temperature Tolerance and Durability
Designed to withstand challenging environmental conditions, the module maintains functionality across a temperature range of -20°C to 70°C during operation and can be stored safely between -30°C and 80°C. This robust temperature resilience makes it suitable for both indoor and outdoor implementations.
Comparative Specifications Table
| Feature | Specification |
|---|---|
| Display Type | 2.4″ TFT LCD |
| Resolution | 240RGB × 320 dots |
| Interface | 16-bit parallel |
| Driver IC | ILI9341 / ST7789 |
| Viewing Angle | 12 o’clock |
| Operating Temp | -20°C to 70°C |
| Storage Temp | -30°C to 80°C |
| Backlight | 4 × LED |
| Active Area | 36.72 mm × 48.96 mm |
| Pixel Size | 0.180 mm × 0.180 mm |
Application Scenarios
The 2.4-inch TFT LCD module is extensively used in:
Industrial Control Systems: Offering high reliability in rugged environments.
Consumer Electronics: Supporting graphical user interfaces in handheld devices.
Medical Equipment: Providing accurate visual data representation.
Automotive Displays: Withstanding temperature variations while delivering high visibility.
Conclusion
The 2.4-inch TFT LCD display module with 240RGB × 320 resolution stands out due to its robustness, high-resolution clarity, and ease of integration. Whether for consumer electronics, industrial applications, or medical devices, this module delivers exceptional performance and durability, making it a versatile choice for a broad range of display requirements.
Drawing
Pin Description
| PIN No. | Symbol | Description |
|---|---|---|
| 1 | CS | LCD Chip selection pin; Low enable, high disable. |
| 2 | RS | Data/Command Control. When the pin is pulled high, the input at SDA is treated as display data. When the pin is pulled low, the input at SDA will be transferred to the command register. |
| 3 | WR | Serves as a write signal and MCU write data at the rising edge. |
| 4 | RD | Serves as a read signal and MCU read data at the rising edge. |
| 5 | RES | Power Reset for Controller and Driver. This pin is reset signal input. When the pin is low, initialization of the chip is executed. Keep this pin pulled high during normal operation. |
| 6-21 | DB0-DB15 | Data bus. |
| 22 | GND | Ground of Logic Circuit. This is a ground pin. It acts as a reference for the logic pins. It must be connected to external ground. |
| 23 | BLK | Backlight control pin. When the pin is pulled high, it turns on the backlight. When the pin is pulled low, it turns off the backlight. |
| 24 | VCC | Power Supply for Logic. This is a voltage supply pin. It must be connected to an external source. |
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Frequently Asked Question
The resolution of this module is 240RGB × 320 dots.
The module supports both the ILI9341 and ST7789 driver ICs.
It utilizes a 16-bit parallel interface for data communication.
The optimal viewing direction is at the 12 o’clock position.
The module functions within a temperature range of -20°C to 70°C.
No, this module does not support touch functionality.
The active display area measures 36.72 mm (W) × 48.96 mm (H).
The module features a 24-pin configuration.
It includes a 4 × LED backlight for illumination.
It is widely used in industrial control systems, consumer electronics, medical equipment, and automotive displays.
