Atmel Corp. has expanded its QTouch product offering with the Touch-Library, a no cost feature that resides on the AVR microcontroller instead of a separate chip. The library consists of precompiled and verified binary files that can be configured individually as discrete keys or combined at will as groups to form wheels and sliders.

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Together with the QTouch technology, the AVR core offers designers a number of advantages. For example, a high signal-to-noise ratio improves systems design margin, increases EMC performance, and ensures high ESD tolerance. Also, designers can address applications where reliability is required, such as stove tops, wall ovens, automotive applications, and high-moisture systems.

The company’s broad range of AVR-based microcontrollers allows designers to rapidly develop a combined touch sensor/user application at the most appropriate price point. The Touch-Library is available now for download at the product Web page together with AVR QTouch Studio, which is royalty free front-end software for the two available demonstration boards TS2080A and TS2080B. The boards support the ATmega88, ATtiny88, ATmega88PA, ATmega168P, and ATmega328P.

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