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Atmel launches single-chip touch-screen controllers

Posted: 10 Feb 2011 ?? ?Print Version ?Bookmark and Share

Keywords:maXTouch E Series? capacitive touch? touchscreen controller?

Atmel Corp. recently unveiled its maXTouch E Series of single-chip capacitive touch-screen controllers. The newest additions to its touch-screen controller linemXT224E, mXT384E and mXT540Eare recommended for use in touch screens measuring 2-12 inches. The devices deliver enhanced analog sensing with the aid of a third-generation capacitive touch engine and Atmel's AVR controller architecture.

Offering 224 to 768 nodes, the chips include new features such as "touch-on-lens" and "on-cell" configurations, where the touch sensor is patterned on the protective cover lens or on the display panel, respectively. The enhancements also allow the use of noisy, lower-cost displays and chargers for additional system cost savings.

These devices are the industry's first to allow consumers to use a 2mm passive conductive stylus while supporting multitouch, according to San Jose-based Atmel.

The mXT768E is the industry's first 32bit single-chip touch controller for tablets and other large screen applications up to 12 inches. The mXT540E and mXT384E devices are appropriate for smaller tablets, e-book readers and high-performance smartphones. The mXT224E is geared for handsets.

Devices in the maXTouch E Series are sampling now with production quantities available in Q2 2011.

Mark LaPedus
EE Times

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