The ATMXT1664T-C2UR is a touchscreen controller manufactured by Microchip (formerly Atmel). It belongs to the maXTouch family, known for its advanced touch sensing capabilities, including multi-touch support, gesture recognition, and high accuracy. The ATMXT1664T-C2UR is designed for use in various touch-enabled devices, offering a responsive and reliable user interface.

Applications:

• Automotive Infotainment Systems
• Industrial Control Panels
• Consumer Electronics (Tablets, Smartphones)
• Point-of-Sale (POS) Terminals
• Interactive Whiteboards

Features:

• Advanced Multi-Touch Support: Detects and tracks multiple touch points simultaneously.
• High Accuracy and Linearity: Provides precise touch positioning.
• Gesture Recognition: Supports various gestures like pinch, zoom, rotate, and swipe.
• Low Power Consumption: Optimized for battery-powered devices.
• Noise Immunity: Robust performance in noisy environments.
• Glove Touch Support: Detects touches even with gloves.
• Hover Detection: Detects objects hovering above the screen.
• Integrated Firmware: Includes pre-programmed routines for touch processing.

Benefits:

• Intuitive User Interface: Enables a natural and responsive touch experience.
• Improved Reliability: Robust performance in various environmental conditions.
• Reduced System Cost: Integrated features minimize the need for external components.
• Faster Time-to-Market: Pre-programmed firmware simplifies integration.
• Enhanced User Experience: Supports advanced features like gesture recognition.

Technical Specifications:

• Sensing Technology: Mutual Capacitance
• Number of Touch Channels: 1664 (derived from part number)
• Communication Interface: I2C or SPI
• Operating Voltage: Typically 2.7V to 3.6V
• Operating Temperature Range: Typically -40°C to +85°C
• Package: QFN

The ATMXT1664T-C2UR is typically configured and controlled via I2C or SPI interface. The specific configuration settings and calibration parameters are usually stored in non-volatile memory. Microchip provides software libraries and development tools to facilitate integration of this touchscreen controller into various systems.