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maXTouch Touchscreen Controller
Overview
- Automotive Qualified:Yes
- Interface Type:I2C and SPI
- Screen Size in (inch):20
- Nodes:2911
- Operating Voltage Max:3.47
- Temp Range Max:105
- Temp Range Min:-40
- Fully automotive-qualified (Grade 2), operating temperature range of -40 to +105 deg C
- Supports up to 16 concurrent touches in real time with touch size reporting
- Communication via a serial interface (I2C or SPI) up to 8MHz
- External high voltage option to increase the signal to noise ratio (SNR)
- Support multiple thick glove (5mm) touches
- Support thick lens (up to 3mm plastic)
- Superior moisture performance
- Support 1D multi touch slider
- Up to 32 touch keys
- Package: LQFP176
The ATMXT2912TD-A Automotive touchscreen controller is aimed at display sizes up to 20” and larger; used in center stacks, navigation systems or rear seat entertainment systems. This brand new family of automotive touchscreen controller brings Microchip’s unmatched Adaptive Sensing technology to the Automotive market. Microchip’s latest solution offers superior signal-to-noise capability to address the requirements of thick lens and thick glove support; supporting multiple thick gloved touches and operation when fingers or surfaces are wet or moist, whilst preventing the water from being detected as a false touch event. This technology also enables adaptive touch utilizing self-capacitance and mutual-capacitance measurements so all touches are recognized and false touch detections are avoided.
Microchip’s new signal shaping technology is lowering emissions significantly and ensures that large touchscreen solutions based on the ATMXT2912TD-A meet the CISPR-25 Level 5 requirements for electromagnetic interference in Automobiles.
The controllers also incorporate a new self and sensor diagnostic function, which constantly monitors the integrity of the touch system. The new ATMXT2912TD-A device brings these smart diagnostic features in support of the Automotive Safety Integrity Level as specified in ISO26262.
Please contact your local Microchip sales office for pricing information and to place an order.
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Tools And Software
Demo & Evaluation Boards
| Tools |
|---|
 This PCB (ATMXT2912TDAT-SPI-PCB) is for the evaluation and development of Microchip maXTouch applications using the ATMXT2912TD Touchscreen Sensor IC.
|
| This maXTouch USB bridge product provides an interface to connect the I2C or SPI compatible based maXTouch devices to PC-based applications through a USB port.
|
| This maXTouch USB Bridge product is an ARM-based interface to convert I2C or SPI and debug signals to USB and communicate with the PC-based applications. This product is designed to be used with Microchip Automotive maXTouch touchscreen controllers.
|
| This kit (ATEVK-MXT2912TDAT-C) is the I2C version including 1D slider PCB for the evaluation and development of Microchip maXTouch applications using the ATMXT2912TD Touchscreen Sensor IC.
|
| This kit (ATEVK-MXT2912TDAT-D) is the SPI version including 1D slider PCB for the evaluation and development of Microchip maXTouch applications using the ATMXT2912TD Touchscreen Sensor IC.
|
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referencedesigns,Reference Designs:
codeexamples,Code Examples:
ibisboarddesignfiles,Board Design Files: