3.5″ TFT LCD Display | 320×480 Resolution | ARM Cortex-M4F
3.5-inch TFT LCD display with 320×480 resolution, ARM Cortex-M4F CPU, USB download, TTL serial communication, and optional resistive touchscreen.
3.5″ TFT LCD Display Module ASTG035W023 | High-Performance Compact Display
Overview
The ASTG035W023 is a 3.5-inch TFT LCD display module designed for industrial and embedded applications. Featuring a 320×480 resolution, 65,536 colors, and 250 cd/m² brightness, it delivers clear and vibrant visuals. The adjustable LED backlight ensures optimal visibility in different environments. Powered by a 200MHz ARM Cortex-M4F CPU, the module integrates 2MB onboard + 8MB external SPI NOR Flash, offering reliable performance and storage capacity.
Key Features
- High-Quality Display: 3.5-inch TFT LCD, 320×480 resolution, 250 cd/m² brightness
- Touchscreen Options:
- ASTG035W023-L320X480R-0T: Resistive touchscreen for precise control
- ASTG035W023-L320X480N-0T: Non-touch version for standard display applications
- Powerful Processing: 200MHz ARM Cortex-M4F CPU with 2MB PSRAM
- Reliable Storage: 2MB onboard + 8MB external SPI NOR Flash
- USB Download Support: Easy program updates via USB device port
- TTL Serial Communication: 1 TTL-level 3.3V serial communication port for seamless data exchange
- Industrial Durability:
- Operating temperature: -20℃ to 60℃
- Storage temperature: -30℃ to 70℃
- Humidity tolerance: 10% ~ 90% RH (non-condensing)
- Vibration resistance: 10-25Hz (X, Y, Z axis, 2g/30 minutes)
- Strong Protection:
- ESD Protection: ±2KV (contact), ±4KV (air discharge)
- EFT Protection: IEC 61000-4-4 standard, ensuring strong anti-interference capability
- Power Loss Tolerance: <5ms
- Compact & Lightweight: 103.3mm × 61.1mm × 8mm, only 60g
Applications
Ideal for industrial control systems, embedded applications, smart devices, medical equipment, and automation interfaces, offering a compact, high-performance display solution.
Hardware Performance
| Item | Specification |
|---|---|
| Model | ASTG035W023-L320X480R-0T / ASTG035W023-L320X480N-0T |
| Display | 3.5″ TFT LCD |
| Resolution (Px) | 320 × 480 |
| Colors | 65,536 colors |
| Brightness | 250 cd/m² |
| Backlight | LED (adjustable backlight) |
| LED Lifetime | 20,000 hours |
| Touchscreen | ASTG035W023-L320X480R-0T: Resistive touchscreen ASTG035W023-L320X480N-0T: No touchscreen |
| CPU | 200MHz ARM Cortex-M4F with built-in 2MB PSRAM |
| Memory | 2MB onboard SPI NOR Flash; 8MB external SPI NOR Flash |
| RTC | Not supported |
| Buzzer | Not supported |
| Power Failure Data Retention | Auto-save within 3 seconds |
| USB Port | USB Device |
| Program Download Method | USB Download |
| Communication Port | 1 TTL-level serial port |
| Connector Specification | 6Pin XH2.54mm terminal |
Electrical Specifications
| Item | Specification |
|---|---|
| Rated Power | Max 1W |
| Rated Voltage | 5V |
| 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℃ ~ 60℃ |
| 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 |
|---|---|
| Active Display Area (AA) | 48.9mm × 73.4mm |
| Overall Dimensions (L × W × H) | 103.3mm × 61.1mm × 8mm |
| Screw Hole Distance | 95.1mm × 53mm |
| Product Weight | 60g |
Additional Information
- The ASTG035W023-L320X480 series is available in both resistive touchscreen and non-touch versions.
- UI design is done using HMILite software, and the UI can be downloaded via USB.
- Supports 1 TTL-level 3.3V serial communication port for data exchange with external controllers.