The recommended alternative touch controller is ATMXT1664T3. The Microchip maXTouch® mXT1664S capacitive touchscreen controller brings the S Series architecture to large touchscreen devices. The mXT1664S benefits from the powerful 32-bit AVR® core and, as a result of the S Series architecture, it has the industry's highest signal-to-noise ratio (SNR), providing unrivalled touch performance. As with the other devices in the S Series, the mXT1664S includes: Our thinner sensors, which enable the thinnest touchscreen stacks with the noisiest displays. maXCharger™ Technology, which ensures flawless operation with any charger. The mXT1664S delivers industry-leading performance in terms of narrow stylus operation, touch responsiveness and low power consumption. With 1,664 nodes, the device can deliver high-precision performance on tablets and notebooks, enabling designers to reach Windows 8 certification. Support: off the shelf maXTouch standard modules are available to help shorten development time and reduce risk. Microchip also has a strong selection of factory trained global touch sensor module partners to help support custom touch sensor and/or touchscreen display designs.