The AR1020 touch screen controller supports I2C™Compatible and SPI communication. Please reference the AR1010 touch screen controller for UART communication.
Please consider this device AR1021
The mTouch AR1000 Development Kit provides everything designers need to get started using AR1000 resistive controllers for a turn-key, cost effective solution. The kit includes the AR1000 development board, a 7” four-wire resistive touch screen, a PICkit™ Serial Analyzer...
For pricing and availability, contact Microchip Local Sales.