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The ATMXT224T-CCU021 is a capacitive touch screen controller belonging to the maXTouch family, manufactured by Microchip Technology. It supports up to 224 nodes for comprehensive touch interface management. The device integrates an I2C interface for communication with host processors and operates within a specified voltage range suitable for embedded systems. It is designed for high reliability in consumer electronics applications requiring precise touch input.
Verify the exact suffix '021' against official Microchip documentation, as standard listings often use 'CCU'. Confirm RoHS compliance status and humidity sensitivity requirements before procurement. Check for any product change notifications that may affect availability or specifications.
Select this component when a high node count is required for large touch screens. Ensure the host system supports the I2C protocol and operates within the controller's voltage limits. Compare with other maXTouch variants if fewer nodes suffice to optimize cost and power consumption.
This part is part of the maXTouch series, known for robust touch sensing capabilities. It is distinct from resistive controllers and offers superior performance for multi-touch applications. The 'T' in the model indicates a tape and reel packaging option typically used for automated assembly.
Direct substitutes include other ATMXT224 variants with different suffixes, such as ATMXT224T-CCU, provided the package and electrical characteristics match. Verify pin compatibility and firmware support before substitution.