Arduino Shield Touch LCD TFT 3.5″ for UNO & Mega2560

• Skip the wiring and start playing in 30 seconds
• Slim and slick board design
• Support Arduino UNO and Arduino Mega2560 and other development board Arduino DUE line, without any wiring.
• Arduino libraries provide.
• This board also supports STM32, C51 and other conventional MCU, provide development code.
• Control IC: ILI9481
• Interface: 8bit parallel
• resolution 320×480

Interface Definition
MAR3502-20.jpg
Number Pin Label Pin Description
1 LCD_RST LCD bus reset signal, low level reset
2 LCD_CS LCD bus chip select signal, low level enable
3 LCD_RS LCD bus command / data selection signal,
low level: command, high level: data

4 LCD_WR LCD bus write signal
5 LCD_RD LCD bus read signal
6 GND Power ground
7 5V 5V power input
8 3V3 3.3V power input, this pin can be disconnected
9 LCD_D0 LCD 8-bit data Bit0
10 LCD_D1 LCD 8-bit data Bit1
11 LCD_D2 LCD 8-bit data Bit2
12 LCD_D3 LCD 8-bit data Bit3
13 LCD_D4 LCD 8-bit data Bit4
14 LCD_D5 LCD 8-bit data Bit5
15 LCD_D6 LCD 8-bit data Bit6
16 LCD_D7 LCD 8-bit data Bit7
17 SD_SS SD card SPI bus chip select signal, low level enable
18 SD_DI SD card SPI bus MOSI signal
19 SD_DO SD card SPI bus MISO signal
20 SD_SCK SD card SPI bus clock signal

Product Documentation
3.5 inch Arduino UNO Module User
3.5 inch TFT Specifications
Driver IC ILI9486 Data sheet

for more info: check this wiki