mTouch™ AR1000 Resistive Touch Screen Controllers Microchip Technology mTouch™ AR1000 Resistive Touch Screen Controllers are complete, easy-to-integrate, cost-effective, universal touch screen controller chip solutions. The AR1000 Series has sophisticated proprietary touch screen decoding algorithms to process all touch data, saving the host from the processing overhead.Providing filtering capabilities beyond that of other low-cost devices, the AR1000 Series delivers reliable, validated, and calibrated touch coordinates.