2.8″ TFT LCD Display | 240×320 Touchscreen | ARM Cortex-M4F
Industrial 2.8-inch TFT LCD display with 240×320 resolution, ARM Cortex-M4F CPU, RS485/RS232/TTL communication, TF card download, and resistive touchscreen.
2.8″ TFT LCD Touchscreen Display Module ASTG028W023 | High-Performance Industrial Display
Overview
The ASTG028W023 is a 2.8-inch TFT LCD touchscreen display module, designed for industrial and embedded applications. It features a 240×320 resolution, 65,536 colors, and 250 cd/m² brightness, ensuring clear and bright visuals. The resistive touchscreen allows for precise control, making it ideal for industrial environments. Powered by a 200MHz ARM Cortex-M4F processor with 2MB onboard PSRAM, this module provides efficient processing and stable performance.
Key Features
- High-Quality Display: 2.8-inch TFT LCD, 240×320 resolution, 250 cd/m² brightness
- Touchscreen Functionality: Resistive touchscreen for accurate input
- Powerful Processing: 200MHz ARM Cortex-M4F CPU with 2MB PSRAM
- Reliable Storage: 2MB onboard + 8MB external SPI NOR Flash
- Versatile Communication Interfaces:
- TTL serial communication (ASTG028W023-L240X320R-0T0C-T)
- RS485 communication (ASTG028W023-L240X320R-1D0C-T)
- RS232 communication (ASTG028W023-L240X320R-1E0C-T)
- TF Card Download: Supports firmware and UI updates via TF card
- Industrial Durability:
- Operating temperature: -10℃ to 50℃
- Storage temperature: -30℃ to 70℃
- Humidity tolerance: 10% ~ 90% RH (non-condensing)
- Vibration resistance: 10-25Hz (X, Y, Z axis, 2g/30 minutes)
- Robust Protection:
- ESD Protection: ±2KV (contact), ±4KV (air discharge)
- EFT Protection: IEC 61000-4-4 standard, strong anti-interference
- Power Loss Tolerance: <5ms
- Wide Voltage Range:
- TTL: DC 5V
- RS485/RS232: DC 5-30V
- Compact & Lightweight: 86.7mm × 55.6mm × 13.4mm, 47g
- Software Compatibility: Supports HMILite 2.2 for UI development
Applications
Ideal for industrial control systems, automation interfaces, embedded HMI, and smart devices, providing a reliable and efficient touchscreen display solution.
Hardware Performance
| Item | Specification |
|---|---|
| Model Series | ASTG028W023-L240X320R-0T0C-T |
| Display | 2.8″ TFT LCD |
| Resolution (Px) | 240 × 320 |
| Colors | 65,536 colors |
| Brightness | 250 cd/m² |
| Backlight | LED (adjustable backlight) |
| LED Lifetime | 20,000 hours |
| Touchscreen | Resistive touchscreen |
| CPU | 200MHz ARM Cortex-M4F with built-in 2MB PSRAM |
| Memory | 2MB onboard SPI NOR Flash; 8MB external SPI NOR Flash |
| RTC | Supported |
| Buzzer | Supported |
| Power Failure Data Retention | Auto-save within 3 seconds |
| Program Download Method | TF Card Download |
| Communication Ports | ASTG028W023-L240X320R-0T0C-T: Serial port – TTL Communication ASTG028W023-L240X320R-1D0C-T: Serial port – RS485 Communication ASTG028W023-L240X320R-1E0C-T: Serial port – RS232 Communication |
| Connector Specification | 5Pin PH2.0mm terminal |
Electrical Specifications
| Item | Specification |
|---|---|
| Rated Power | Max 0.8W |
| Voltage Range | TTL Communication: DC 5V RS485/RS232 Communication: DC 5-30V |
| 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 | -10℃ ~ 50℃ |
| Storage Temperature | -30℃ ~ 70℃ |
| Humidity | 10 ~ 90% RH (non-condensing) |
| Vibration Resistance | 10-25Hz (X, Y, Z axis, 2g/30 minutes) |
| Cooling Method | Natural air cooling |
Product Dimensions
| Item | Specification |
|---|---|
| Overall Dimensions | 86.7 × 55.6 × 13.4mm |
| Active Display Area | 57.6 × 43.2mm |
| Display Panel Size | 70.4 × 51mm |
| Screw Hole Distance | 77.9 × 46.7mm |
| Product Weight | 47g |
Corresponding Software
| Item | Specification |
|---|---|
| PC Software | HMILite 2.2 |