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In-Car Touch Controllers support gloved finger operation.

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October 18, 2012 - Fully automotive-qualified according to AEC-Q100, maXTouch® mXT143E and mXT224E are designed for small touchscreens and touchpads up to 7 in. in diameter. Units embed X/Y position calculation as well as post-processing algorithms such as eliminating unintended touches. In addition to signal-to-noise ratio of 80:1 for noisy environments, devices feature true 12-bit touch functionality with independent X/Y tracking for up to 10 concurrent touches in real-time. 

(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press Release

Atmel Corp.
2325 Orchard Parkway
San Jose, CA, 95131
USA



Atmel Expands Automotive-Qualified maXTouch Controller Family for In-Car Control Systems


Industry's First Touch Solution for Gloved Finger Operation Now Supports Touchpads Up to 7 Inches in Automobiles

HEILBRONN, Germany,  -- Atmel(®) Corporation (NASDAQ: ATML) today announced new automotive-qualified maXTouch(®) controllers for in-car control systems. These new devices will bring today's smartphone experience into contemporary cars, even for drivers wearing gloves. Expanding the Atmel portfolio of maXTouch automotive-qualified devices, the new mXT143E and mXT224E touch controllers are designed for small automotive touchscreens and touchpads up to 7 inches in diameter such as center stack displays, navigation systems, radio human-machine interfaces (HMIs) and rear-seat entertainment systems.

By addressing smaller screen and touch-pad sizes, the mXT143E and mXT224E controllers complement the company's growing family of automotive-qualified touchscreen controllers that support screens/pads from 2 to 12 inches in diameter.

With these new automotive-qualified maXTouch devices, Atmel strengthens its position as a market-leading touch innovator and supplier. The maXTouch family is known for its superior performance and rich feature set, including unlimited touches, fast response time, touch precision, robust operation and low power consumption.

Dedicated Embedded Functionality for Automotive

The mXT143E and mXT224E are fully automotive-qualified according to AEC-Q100. The touchscreen controllers provide embedded functionalities that meet specific automotive design requirements, including high-temperature behavior and reliable operation in harsh environments and with gloved fingers.

The high signal-to-noise ratio of 80:1 makes these devices ideal for very noisy environments. The devices provide full support for gloved hand operation on automotive touchscreens and pads.

The mXT143E and mXT224E embed X/Y position calculation as well as post-processing algorithms such as eliminating unintended touches. With touchscreens and pads based on these new maXTouch controllers, users can perform multi-touch gestures (pinch, stretch, etc.), while unintended touches, such as a resting hand on the screen, are rejected.

The devices feature true 12-bit touch functionality with independent X/Y tracking for up to 10 concurrent touches in real-time, allowing for the highest linearity and accuracy. Adaptation to high-resolution displays is easy and quick. The user-configurable ratio of X and Y lines supports a variety of aspect ratios from 4:3 to 16:9.

"Atmel brings the consumer touch experience into the automobile, even when drivers are wearing gloves," said Stephan Thaler, marketing director for automotive touch products, Atmel Corporation. "With the new mXT143E and mXT224E devices, also smaller automotive touch applications, such as touchscreens and curved touchpads in the center stack, are made possible with just one single controller, reducing development time, system complexity and cost for the system designer."

Additional maXTouch capabilities targeting automotive applications include frequency hopping during burst generation, self calibration, detect integration addressing EMI/EMC requirements and high reliability in harsh environments. With a scan speed of up to 280Hz, design engineers can provide character recognition for alpha-numeric inputs to the automotive HMI interfaces, another key feature for modern cars.

Availability
Samples of automotive-qualified mXT143E and mXT224E touch controllers are available now in TQFP48 packages. Mass production will start the end of October 2012. Demo kits for both devices are also available to support design-in and shorten time to market.

About Atmel
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.

© 2012 Atmel Corporation. All Rights Reserved. Atmel(®), Atmel logo and combinations thereof, maXTouch(®) and others are registered trademarks or trademarks of Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others.

More Information:
More information on automotive-qualified maXTouch mXT143E/mXT224E touch controller families is available at: http://www.atmel.com/microsite/maxtouch_eseries_automotive/

To see the latest Atmel videos, visit the Atmel YouTube Channel at www.atmel.com/youtube. You can follow Atmel on Twitter www.atmel.com/twitter or on Facebook at www.atmel.com/facebook.

Press Contacts:
Dr. Susanne Herchner, Marcom Director Automotive
Phone: +49 7131 67-2081, Email:  susanne.herchner@atmel.com

Agnes Toan, PR Manager
Phone: +1 408 487-2963, Email: agnes.toan@atmel.com

Web Site: www.atmel.com
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