2.4″ TFT LCD COF Display | 240×320 | ARM Cortex-M4F
2.4-inch TFT LCD COF display module with 240×320 resolution, ARM Cortex-M4F CPU, USB download, UART & CAN communication, and optional resistive touchscreen.
2.4″ TFT LCD COF Display Module ASTG024W023 | High-Performance Compact Display
Overview
The ASTG024W023 is a 2.4-inch TFT LCD COF display module designed for industrial and embedded applications. Featuring a 240×320 resolution, 65,536 colors, and 250 cd/m² brightness, it provides a clear and vibrant display. The adjustable LED backlight ensures optimal visibility, while the COF (Chip-on-Film) design allows for a slim and lightweight form factor. Powered by a 200MHz ARM Cortex-M4F CPU, it includes 2MB onboard + 8MB external SPI NOR Flash, offering excellent performance and storage capacity.
Key Features
- High-Quality Display: 2.4-inch TFT LCD, 240×320 resolution, 250 cd/m² brightness
- Touchscreen Options: Available in resistive touchscreen (L240X320R) and non-touch (L240X320N) versions
- Powerful Processing: 200MHz ARM Cortex-M4F CPU with 2MB PSRAM
- Reliable Storage: 2MB onboard + 8MB external SPI NOR Flash
- Versatile Connectivity:
- 1 TTL-level UART (UART2) communication port
- 1 CAN (CAN1) communication port for external controller communication
- Flexible Power & Expansion:
- Operates at 3.3V
- Supports external capacitive touchscreen connection
- Multiple I/O ports for input/output control via macro commands
- USB Download: UI design can be done using HMILite software and downloaded via USB
- Industrial Durability:
- Operating temperature: -20℃ to 70℃
- Storage temperature: -30℃ to 80℃
- ESD Protection: ±2KV (contact), ±4KV (air discharge)
- EFT Protection: IEC 61000-4-4 standard, ensuring strong anti-interference capability
- Slim & Lightweight: 42.72mm × 60.26mm × 3.67mm, ultra-thin design
Applications
Ideal for industrial control, smart devices, embedded systems, medical equipment, and automation interfaces, providing a compact, high-performance display solution.
Hardware Performance
| Item | Specification |
|---|---|
| Model | ASTG024W023-L240X320R-COF / ASTG024W023-L240X320N-COF |
| Display | 2.4″ TFT LCD |
| Resolution (Px) | 240 × 320 |
| Colors | 65,536 colors |
| Brightness | 250 cd/m² |
| Backlight | LED (adjustable backlight) |
| LED Lifetime | 20,000 hours |
| Active Display Area (AA) | 36.7mm × 48.9mm |
| Product Dimensions (L × W × H) | 42.72mm × 60.26mm × 3.67mm (Tolerance: ±0.2mm, including TP) |
| Touchscreen | L240X320R: Resistive touchscreen L240X320N: No touchscreen |
| CPU | 200MHz ARM Cortex-M4F with built-in 2MB PSRAM |
| Memory | 2MB onboard SPI NOR Flash; 8MB external SPI NOR Flash |
| RTC | Supported (requires external circuit) |
| Buzzer | Supported (requires external circuit) |
| Power Failure Data Retention | Auto-save within 3 seconds |
| USB Port | USB Device |
| Program Download Method | USB Download |
| Communication Ports | 1 TTL-level serial port 1 CAN communication interface |
| Connector Specification | FPC 0.5mm-50P |
Electrical Specifications
| Item | Specification |
|---|---|
| Rated Power | Max 1W |
| Rated Voltage | 3.3V |
| Power Loss Tolerance | <5ms |
| ESD Test | Contact discharge: ±2KV; Air discharge: ±4KV |
| EFT Test | IEC 61000-4-4 Standard 4 (Voltage: ±4KV; Frequency: 5KHz; Duration: 120S), no reboot, no display anomalies, no touchscreen anomalies, normal functionality |
Environmental Specifications
| Item | Specification |
|---|---|
| Operating Temperature | -20℃ ~ 70℃ |
| Storage Temperature | -30℃ ~ 80℃ |
| Humidity | 10 ~ 90% RH (non-condensing) |
| Vibration Resistance | 10-25Hz (X, Y, Z axis, 2g/30 minutes) |
| Cooling Method | Natural air cooling |
Additional Information
- The COF series screen is available in both resistive touchscreen and non-touch versions.
- Supports external capacitive touchscreen connection.
- Powered by 3.3V.
- UI design is done using HMILite software, and the UI can be downloaded via USB.
- The COF screen supports 1 UART (UART2) serial communication port and 1 CAN (CAN1) communication port for data exchange with external controllers.
- RTC and buzzer are supported but require additional external circuitry.
- Multiple I/O ports are reserved for input and output control via macro commands.