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The new generation of maXTouch takes touch to a whole new level.
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Reengineering the Touchscreen Experience
Building on 15 years of Atmel® touch innovation, maXTouch™ is the next-generation controller technology for touchscreen applications that delivers both superior performance and low power consumption. The technology enables touch interfaces that identify, qualify, and track the user’s contacts with exceptional precision and sensitivity. With maXTouch unlimited touch, users can enjoy a sophisticated interface that is smart enough to ignore unintended touches. Atmel touchscreen chips are small enough to fit the most compact mobile devices and powerful enough to accommodate the larger screens on products such as digital tablets. The result: peerless touch interfaces that are intuitive, flexible, reliable, and battery-friendly.
Key Features
- Unlimited touch — This unique maXTouch capability enables advanced functions invoked by simultaneous multiple touches, and helps avoid false touches.
- Active stylus — With a high-performance 1mm tip, maXStylus active stylus offers the convenience of pen-like operations on the touchscreen.
- Fast response — High scan rates enable devices to follow virtually any motion, supporting demanding applications.
- Exacting precision — An advanced, low-noise front end and numerous sensor nodes make the screen more precise and sensitive to contact.
- Unparalleled flexibility — The chips can be easily configured to suit a broad array of applications and screen sizes.
- Low power consumption — ICs "sleep" after scans to conserve power and extend battery life.
- Small footprint — Chips are suitable for the smallest devices and require few external components, lowering system costs.
- Robust operation — Environmental resilience and excellent noise suppression increase reliability and usability.
Touchscreens Devices
| Device Family |
Summary Benefit |
Applications |
Technologies |
Key Parameters |
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Use advanced touch gestures with simultaneous touch and stylus operation on touchscreens Clearly see what is being touched with 1mm stylus tip Write naturally with excellent palm rejection support |
Tablets and handsets with touchscreens up to 11.6" |
maXStylus active stylus touch functionality |
Frame rate up to 140Hz High resolution of 600ppi Pressure sensing Button functionality |
Use Atmel maXStylus technology with maXTouch controllers to add high-performance stylus capability to touchscreen solutions. maXTouch and maXStylus technologies together simplify system design through a single sensor that supports both touch and the active stylus. A stylus essentially gives the user a convenient option for easier touchscreen navigation and content creation such as writing, drawing and note-taking.
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Up to 16 touches
fast response time
smart processing |
Touchscreens up to 15.6 inches |
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224 to 1386 nodes
8/16-bit or 32-bit microcontroller technology |
Atmel maXTouch touchscreen controllers combine the Atmel patented Charge Transfer and either 8/16-bit or 32-bit Atmel AVR® microcontroller technology to provide unlimited touch (up to 16 touches), fast response time, and smart processing of a capacitive touch image, accurately regenerating and reporting the user’s interaction with the touchscreen. Multitouch performance identifies and individually tracks touches, and allows a range of built-in gestures to be reported to the host processor. A high signal-to-noise ratio (SNR) enables the device to work well with fingertip touch as well as a conductive stylus. It has been designed to work in demanding, rapidly changing environments. Because only the touchscreen area is touch-sensitive, you have the freedom to place the chip on the main board or adjacent to the sensor.
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High-performance interface microcontroller that provides single- and dual-touch gestures for intuitive user interfaces |
Touchs keypads with buttons and sliders |
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Up to 48 individually configurable keys |
Atmel offers two-touch and single-touch microcontrollers for touchscreen applications where an unlimited-touch solution is not required.
versatile two-touch microcontrollers use Atmel QTwo™ technology to provide both dual-touch and single-touch functionality for intuitive user interfaces. These solutions can be configured as a combination of touchscreen, sliders/wheels, and keys, with Atmel Adjacent Key Suppression™ technology providing precision for small keypads.
Designers can choose among these options: - A two-touch touchscreen providing two fully-independent and trackable touch coordinates
- A touch keypad with up to 32 individually configurable keys
- Up to six independent touch slider controls
- A hybrid panel employing multiple options
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Easy-to-use touchscreen microcontroller solution for single-layer sensor implementations |
Single-touch capacitive touchscreens |
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Up tp 16 nodes I2C interface |
Atmel offers two-touch and single-touch microcontrollers for touchscreen applications where an unlimited-touch solution is not required. The single-touch microcontrollers are designed especially for single-layer sensor implementations on super-thin, high-performance touchscreens. These ICs are based on Atmel QField™ technology, a system approach that helps reduce cost, power consumption, and time to market. QField includes the touch microcontroller, a selection of tested and qualified sensor and tail designs, and integrated software for generating standard touch gestures.
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