3.5 inches touch screen module is designed especially for Raspberry Pi. It transmits data though GPIO, SPI (Serial Peripheral Interface) on the P1 interface. The CPLD on the display module controls display content according to the data transmitted from the SPI interface. Specification Easy to setup and use Physical Resolution: 480×320 pixels, 16bit, 65K color 3.5 inch resistive touch screen LCD Display transmits data through SPI (clock maximum speed: 128Mhz) Touch panel transmits data through SPI (clock maximum speed: 16Mhz) No external power supply needed Built-in EEPROM storage unit Open source Linux driver