Steve Berry Atmel QTouch Library
This new family of optimized touch architecture devices is a new class of ready-to-use touch sensing controllers, supporting up to 12 sensor channels, 1.8V-5.5V operating voltage range and an I2C-compatible communications interface. In addition, this family includes Adjacent Key Suppression (AKS) support, self-calibration, auto-drift compensation, noise filtering, and a selectable sleep interval. The first device of this family is the AT42QT1070 which supports 7 channels and is in full production now. The second device in the family will be the AT42QT2120 with 12 channels and includes support for a slider or wheel interface. The AT42QT2120 will be in production Q2 2011. Both devices may be configured for stand-alone mode or communications mode.
About Atmel QTouch
QTouch detects touches by utilizing Atmel’s proprietary Charge Transfer technology. The QTouch method is robust and reliable, making it easy to replace mechanical buttons. This technology is ideal for user interface applications requiring a small or large number of buttons, sliders, knobs, dials, etc.
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Atmel Corporation (Nasdaq: ATML) is a worldwide leader in the design and manufacture of microcontrollers, capacitive touch solutions, advanced logic, mixed-signal, nonvolatile memory and radio frequency (RF) components. Leveraging one of the industry’s broadest intellectual property (IP) technology portfolios, Atmel is able to provide the electronics industry with complete system solutions focused on industrial, consumer, communications, computing and automotive markets.
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