1. Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your Estardyn 1.53-inch TFT LCD display module. This round screen features a 360x360 resolution and utilizes the ST77916 driver IC with a QSPI interface, making it suitable for various embedded display applications.
The module is designed for ease of integration into your projects, offering a vibrant color display in a compact form factor.
2. Specifications
Below are the detailed technical specifications and pin definitions for the Estardyn 1.53-inch TFT LCD display module.
2.1. Product Parameters
| Parameter | Value |
|---|---|
| Size | 1.53 inches |
| Resolution | 360*360 |
| Driver IC | ST77916 |
| Interface Type | QSPI |
| Display Color | Colorful |
| Power Supply | 3.3V-5V |
| Screen Size (mm) | 40.46 x 41.96 x 2.16 |
| Module Size (mm) | 41.5 x 49.32 x 3.36 |
| Working Temperature | -20°C ~ 70°C |
| Linking Method | COG |
| Display Size (mm) | 38.156 x 38.156 |
| High-concerned chemical | None |
| Customization | Yes |
| Origin | Mainland China |
2.2. Pin Definition
| PIN | SYMBOL | FUNCTION |
|---|---|---|
| 1 | GND | Power ground |
| 2 | VCC | Analog power voltage (3.3V-5V) |
| 3 | SCL | Clock signal for QSPI interface |
| 4 | SDA | Data signal for QSPI interface |
| 5,6,7 | IO1, IO2, IO3 | QSPI interface: additional data pins |
| 8 | RST | Display reset pin (active low) |
| 9 | CS | Chip select signal (active low) |
| 10 | BL | Backlight control pin |
| 11 | TE | Frame synchronization signal |
3. Setup Instructions
Follow these steps to properly connect and initialize your Estardyn 1.53-inch TFT LCD display module.
3.1. Hardware Connection
- Prepare Components: Ensure you have the display module, a compatible microcontroller (e.g., Arduino, ESP32, Raspberry Pi), connecting wires, and a power supply (3.3V-5V). A pin header strip may be required for connection if not already attached.
- Power Connection:
- Connect the GND pin (Pin 1) of the display module to the ground (GND) of your microcontroller.
- Connect the VCC pin (Pin 2) of the display module to a 3.3V or 5V power supply output from your microcontroller, ensuring it matches the module's operating voltage range.
- QSPI Interface Connection:
- Connect the SCL pin (Pin 3) to the Serial Clock pin of your microcontroller.
- Connect the SDA pin (Pin 4) to the Serial Data pin of your microcontroller.
- Connect the IO1, IO2, IO3 pins (Pins 5, 6, 7) to the corresponding QSPI data pins on your microcontroller.
- Control Signal Connection:
- Connect the RST pin (Pin 8) to a digital output pin on your microcontroller.
- Connect the CS pin (Pin 9) to another digital output pin on your microcontroller.
- Connect the BL pin (Pin 10) to a digital output pin for backlight control, or directly to VCC if constant backlight is desired.
- Connect the TE pin (Pin 11) to a digital input pin if frame synchronization is required for your application.
3.2. Software Setup
- Install Libraries: Depending on your microcontroller and development environment, you may need to install specific libraries for TFT displays and the ST77916 driver. Popular choices include Adafruit GFX Library and a compatible ST77916 driver library.
- Initialize Display: In your code, initialize the display by calling the appropriate functions from your chosen library. This typically involves specifying the QSPI pins, reset pin, chip select pin, and backlight pin.
- Test Display: Run a simple test sketch to ensure the display is functioning correctly. This could involve filling the screen with a solid color, drawing basic shapes, or displaying text.
4. Operating Instructions
Once the display module is set up, you can begin programming it to display various content.
4.1. Basic Display Operations
- Power On/Off: The display powers on automatically when VCC is supplied. To turn off, remove power from VCC.
- Backlight Control: The backlight can be controlled via the BL pin. A high signal typically turns the backlight on, and a low signal turns it off. PWM can be used on this pin for brightness control.
- Displaying Graphics: Use the graphics library functions to draw pixels, lines, rectangles, circles, and other shapes. The 360x360 resolution allows for detailed imagery.
- Displaying Text: Libraries usually provide functions to set text size, color, and position, and then print strings to the screen.
- Image Display: For displaying images, convert your image data into a format compatible with your chosen library (e.g., bitmap arrays) and use the provided functions to render them.
4.2. QSPI Interface
The QSPI (Quad Serial Peripheral Interface) allows for high-speed data transfer, enabling quick updates to the display. Ensure your microcontroller's QSPI peripheral is correctly configured to communicate with the ST77916 driver IC.
5. Maintenance
Proper care and maintenance will ensure the longevity and optimal performance of your display module.
- Cleaning: Use a soft, lint-free cloth slightly dampened with water or a specialized screen cleaner to gently wipe the display surface. Avoid abrasive materials or harsh chemicals.
- Handling: Always handle the module by its edges. Avoid touching the display surface or the flexible printed circuit (FPC) connector directly to prevent damage from static electricity or oils.
- Storage: Store the module in a dry, dust-free environment within the recommended temperature range (-20°C to 70°C). Keep it away from direct sunlight and extreme humidity.
- Power Supply: Ensure the power supply voltage remains within the specified 3.3V-5V range. Over-voltage can damage the module.
6. Troubleshooting
If you encounter issues with your display module, refer to the following common problems and solutions:
- No Display/Blank Screen:
- Check all power connections (VCC, GND) to ensure they are secure and correctly polarized.
- Verify the power supply voltage is within the 3.3V-5V range.
- Ensure the backlight (BL) pin is correctly connected and receiving a high signal (or PWM if used).
- Confirm the RST pin is properly toggled during initialization (typically pulled high, then low, then high again).
- Check QSPI data and clock lines (SCL, SDA, IO1, IO2, IO3) for correct wiring and signal integrity.
- Verify that the correct display library is installed and initialized with the correct pin assignments.
- Garbled or Incorrect Display:
- Double-check all QSPI data and clock connections.
- Ensure the correct driver IC (ST77916) is selected in your software library.
- Verify the display resolution (360x360) is correctly set in your initialization code.
- Check for timing issues in your QSPI communication.
- Flickering Display:
- Ensure a stable power supply. Add decoupling capacitors near the VCC pin if power fluctuations are suspected.
- Check for loose connections on the QSPI lines.
- Verify that your microcontroller is providing sufficient current for the display.
7. User Tips
- Code Examples: Search online forums and GitHub repositories for code examples specific to the ST77916 driver and QSPI interface with your chosen microcontroller. This can significantly speed up development.
- Power Consumption: Be mindful of the display's power consumption, especially in battery-powered applications. Consider implementing power-saving modes or adjusting backlight brightness.
- ESD Protection: Always use anti-static precautions (e.g., ESD wrist strap) when handling the display module to prevent damage from electrostatic discharge.
- Firmware Updates: Keep your microcontroller's development environment and display libraries updated to benefit from bug fixes and performance improvements.
8. Warranty and Support
Estardyn products are manufactured to high-quality standards. For specific warranty information, please refer to the terms and conditions provided at the time of purchase or contact your vendor. Technical support may be available through the seller or community forums dedicated to display modules and microcontrollers.
For further assistance, please contact your point of purchase or visit the Estardyn Flagship Store online.