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Microchip ATMXT641T-ATR Low Power maXTouch 640-node Touchscreen Controller

Microchip ATMXT641T-ATR Low Power maXTouch 640-node Touchscreen Controller

Source:our siteTime:2024-12-10Views:

Microchip ATMXT641T-ATR Low Power maXTouch 640-node Touchscreen ControllerProduct Description of ATMXT641T-ATRATMXT641T-ATR Automotive touchscreen controller is aimed at display sizes up to 9” used in center stacks, navigation systems or rear seat en…

Microchip ATMXT641T-ATR Low Power maXTouch 640-node Touchscreen Controller


Product Description of ATMXT641T-ATR

ATMXT641T-ATR Automotive touchscreen controller is aimed at display sizes up to 9” used in center stacks, navigation systems or rear seat entertainment systems. This family of automotive touchscreen controller brings unmatched Adaptive Sensing technology to the Automotive market. It enables 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 and glove touch. Adaptive Sensing is also resistant to water and moisture and ensures superior touch performance even in these harsh conditions.


Feature of ATMXT641T-ATR

Fully automotive-qualified (Grade 2), operating within the 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)

Integrated voltage doubler option to increase the signal to noise ratio (SNR)

Adaptive Sensing (Self and Mutual cap)

Supports thick glove (5mm) touch

Support thick lenses (up to 3mm plastic)

Superior moisture performance


Application Interfaces of ATMXT641T-ATR

I2C-compatible slave with support for Standard mode (up to 100 kHz), Fast mode (up to 400 kHz),Fast-mode Plus (up to 1 MHz), High-speed mode (up to 3.4 MHz)

SPI slave interface (up to 8 MHz)

Interrupt to indicate when a message is available

SPI Debug Interface to read the real-time raw data for tuning and debugging purposes


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