Tag Archives: mXT641T

Your touchscreen can now seamlessly transition between hover, finger and glove touch


The new maXTouch mXT641T family is the industry’s first auto-qualified self- and mutual-capacitance controller meeting the AEC-Q100 standards for high reliability in harsh environments.


Optimized for capacitive touchpads and touchscreens from five to 10 inches, Atmel has expanded its robust portfolio of automotive-qualified maXTouch controllers with the all-new mXT641T family. These devices are the industry’s first auto-qualified self- and mutual-capacitance controllers meeting the AEC-Q100 standards for high reliability in harsh environments.

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The maXTouch mXT641T family incorporates Atmel’s Adaptive Sensing technology to enable dynamic touch classification, a feature that automatically and intelligently switches between self- and mutual-capacitance sensing to provide users a seamless transition between a finger touch, hover or glove touch. As a result, this eliminates the need for users to manually enable ‘glove mode’ in the operating system to differentiate between hover and glove modes. Adaptive Sensing is also resistant to water and moisture and ensures superior touch performance even in these harsh conditions.

The latest family of devices support stringent automotive requirements including hover and glove support in moist and cold environments, thick lens for better impact resistance, and single-layer shieldless sensor designs in automotive center consoles, navigation systems, radio interfaces and rear-seat entertainment systems. The single-layer shieldless sensor design eliminates additional screen layers, delivering better light transparency resulting in lower power consumption along with an overall lower system cost for the manufacturer.

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“More consumers are demanding high-performance touchscreens in their vehicles with capacitive touch technology,” said Rob Valiton, Senior Vice President and General Manager, Automotive, Memory and Secure Products Business Units. “Atmel is continuing to drive more innovative, next-generation touch technologies to the automotive market and our new family of automotive-qualified maXTouch T controllers is further testament to our leadership in this space. Atmel is the only automotive-qualified touch supplier with over two decades of experience in designing, developing, and manufacturing semiconductor solutions that meet the stringent quality and reliability standards for our automotive customers.”

Interested? Production quantities of the mXT641T are now available. Meanwhile, you can learn all about the entire maXTouch lineup here.

A look inside Xiaomi Mi4…

Chinese smartphone maker Xiaomi recently debuted its latest flagship smartphone, the Mi4. According to a teardown by the folks at GizmoChinathe newly-unveiled device is powered by Atmel’s maXTouch mXT641T controller.

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In terms of specs, the Mi4 comfortably holds its own with other competing devices, boasting a 5-inch full-HD screen, a 2.5GHz quad-core Snapdragon 901 processor, 3GB of RAM, a 13-megapixel rear-facing camera, 16GB or 64GB of internal memory and runs on a 3080 mAh battery. For the first-time ever, the company has also chosen to add a touch of metal — SAE 304 stainless steel — to the phone’s frame, along with a slightly curved plastic back cover. The device will also run Xiaomi’s custom MIUI operating system.

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After recently reaching 26.1 million smartphones in the first half of 2014, Xiaomi continues to build momentum throughout the industry with an expansion outside of Greater China into Singapore, Malaysia, the Philippines and India.

As far as pricing is concerned, the Mi4 will be available for approximately USD $322 for the entry-level 16GB model, while the 64GB version will cost around USD $403. Though the 3G versions are slated to go on sale as early as July 29th (China Unicom), those seeking the 4G version will have to wait until September. Xiaomi hasn’t said when the phone will be available outside of China, however.

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According to Xiaomi CEO Lei Jun, the Mi4 will be “the fastest smartphone in the world.” Additional key Mi4 smartphone features include:

o   Gloved touch and moisture immunity
o   2.63mm slim edge
o   Patented palm-rejection feature on edge

This isn’t the first time Xiaomi has embedded Atmel into its touch devices. Back in October, the smartphone maker selected the XT540S controller to power the 5-inch touchscreen of the Mi3.

To get an up close and personal look inside the Mi4, you’ll find the entire teardown here.

Interested in learning more about our maXTouch technology? You can check out Atmel’s maXTouch portfolio.