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Ra8875 Touch Display Driver Board
Adafruit
A driver board for a large TFT display with SPI interface, supporting touch functionality. It includes power pins, SPI logic pins, and other control pins.
In stock
Specifications
3- Operating Voltage
- 3-5VDC (VIN) / 3.3V (3Vo)
- Logic Level
- 3-5V
- Gpio Count
- 12
Pinout
15| Pin | Name | Functions | Notes |
|---|---|---|---|
| VIN | power_input | POWER | 3-5VDC input |
| GND | ground | GND | Power and signal ground |
| 3Vo | voltage_regulator_output | — | Clean 3.3V output, at least 100mA |
| SCK | spi_clock | SPI | SPI clock input to the chip |
| MISO | spi_miso | SPI | 3.3V logic output, can be read by 5V microcontrollers |
| CS | chip_select | SPI | Chip select input to the chip, not pulled high by default |
| MOSI | spi_mosi | SPI | Microcontroller Out Serial In pin for data sent from your processor to the RA8875 |
| INT | interrupt | — | Interrupt pin that goes low when the panel is being touched |
| Y+ | touch_y_positive | — | Touch panel Y positive signal |
| Y- | touch_y_negative | — | Touch panel Y negative signal |
| X+ | touch_x_positive | — | Touch panel X positive signal |
| X- | touch_x_negative | — | Touch panel X negative signal |
| LITE | backlight_pwm | PWM | PWM signal used to externally control the backlight |
| RST | reset | — | Reset line for the RA8875, active low |
| WAIT | busy_state | — | Output to indicate that the RA8875 is in a busy state, active low |
Interactive pinout
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BOARD
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