Este es un módulo LCD TFT de 2,8 pulgadas basado en el controlador ILI9341, usado normalmente para mostrar texto, gráficos e interfaces de usuario sencillas. Suele conectarse mediante una interfaz SPI con pines de control como CS, DC, SCK, MOSI y RESET, y muchas variantes también incluyen pantalla táctil resistiva y conexión para tarjeta microSD.
| Pin | Señal | Descripción |
|---|---|---|
CS |
chip-select | Chip-select for the ILI9341 display SPI interface, typically active low. |
DC |
digital | Data/command select for the display; selects command or pixel data mode. |
GND |
ground | Ground reference for display, touch, backlight, and logic signals. |
SCK |
SCK | SPI clock input for the ILI9341 display controller. |
VCC |
power | Power input for the TFT module logic and onboard circuitry. |
LED |
PWM | Display backlight supply/control input; drive high or PWM to control brightness. |
MOSI |
MOSI | SPI data input to the ILI9341 display controller. |
RESET |
reset | Hardware reset input for the display controller, usually active low. |
MISO |
MISO | LCD SPI data output to the host; often unused on write-only display setups. |
T_CS |
chip-select | Chip-select for the resistive touch controller, typically active low. |
T_DO |
MISO | Touch controller SPI MISO data output to the host. |
T_CLK |
SCK | SPI clock input for the touch controller. |
T_DIN |
MOSI | Touch controller SPI MOSI data input from the host. |
T_IRQ |
interrupt | Touch controller interrupt output, usually goes low when the screen is touched. |
SD_CS |
chip-select | Chip-select for the microSD card SPI interface, typically active low. |
SD_MISO |
MISO | SPI data from the microSD card to the controller. |
SD_SCK |
SCK | SPI clock for the microSD card interface. |
SD_MOSI |
MOSI | SPI data from the controller to the microSD card. |
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