LCDWiki MSP3520 3.5 inch 480x320 4-wire SPI TFT module with ILI9488 driver and optional resistive touch (XPT2046). PCB 56.34x98 mm, microSD slot, 3.3–5 V supply. Family token ILI9488 aliases to this dominant orderable module.
5V/3.3V power input
Ground
LCD chip select, low level enable
LCD reset, low level reset
LCD register/data selection; high=register, low=data
SPI bus write data
SPI bus clock
Backlight control, high level lighting; tie to 3.3V if unused
SPI bus read data; optional if write-only
Touch SPI clock (touch modules only)
Touch chip select, low enable
Touch SPI input
Touch SPI output
Touch interrupt, low when touched
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| VCC | 1 | Power | 5V/3.3V power input | 3.3V-5V |
| GND | 2 | Ground | Ground | |
| CS | 3 | SPI | LCD chip select, low level enable | |
| RESET | 4 | Control | LCD reset, low level reset | |
| DCRS | 5 | GPIO | LCD register/data selection; high=register, low=data | |
| SDI(MOSI) | 6 | SPI | SPI bus write data | |
| SCK | 7 | SPI | SPI bus clock | |
| LED | 8 | PWM | Backlight control, high level lighting; tie to 3.3V if unused | |
| SDO(MISO) | 9 | SPI | SPI bus read data; optional if write-only | |
| T_CLK | 10 | SPI | Touch SPI clock (touch modules only) | |
| T_CS | 11 | SPI | Touch chip select, low enable | |
| T_DIN | 12 | SPI | Touch SPI input | |
| T_DO | 13 | SPI | Touch SPI output | |
| T_IRQ | 14 | GPIO | Touch interrupt, low when touched |
5V/3.3V power input
Ground
LCD chip select, low level enable
LCD reset, low level reset
LCD register/data selection; high=register, low=data
SPI bus write data
SPI bus clock
Backlight control, high level lighting; tie to 3.3V if unused
SPI bus read data; optional if write-only
Touch SPI clock (touch modules only)
Touch chip select, low enable
Touch SPI input
Touch SPI output
Touch interrupt, low when touched
SPI · I2C · 3.3 V · 3.3 – 5 V · Breakout
Adafruit describes product 398 as a 16x2 RGB backlight LCD using digital pins for LCD control and PWM pins for the backlight; the product…
Module pins: VCC, GND, CS, SDI(MOSI), SCK, LED, SDO(MISO), T_CLK. Schematik maps them to your board in the app.
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