Atmel mXT2952T2 Revision 1.1 maXTouch 2911-node Touchscreen Controller DATASHEET Features Atmel maXTouch Adaptive Sensing Touchscreen Technology Up to 41 X (transmit) lines and 71 Y (receive) lines A maximum of 2911 nodes can be allocated to the touchscreen Screen sizes of 11.6 - 15.6 inches diagonal are supported Multi-touch support with up to 16 concurrent touches tracked in real time Dual-boot OS support for Windows and Android Advanced Touch Handling Moisture/Water Compensation No false touch with condensation or water drop up to 22 mm diameter One-finger tracking with condensation or water drop up to 22 mm diameter Stylus Support Supports passive stylus with 1 mm contact diameter, subject to configuration, stack up, and sensor design Glove Support Supports multiple-finger glove touch up to 1.5 mm thickness Supports single-touch gloved operation with various materials up to 5 mm thickness Touch Performance Mutual capacitance and self capacitance measurements supported for touch detection Response Times Initial latency <10 ms for first touch from idle, subject to configuration Atmel maXCharger technology to combat ambient, charger noise, and power-line noise: Up to 240 Vpp between 1 Hz and 1 kHz sinusoidal waveform Up to 20 Vpp between 1 kHz and 1 MHz sinusoidal waveform Scan Speed Typical report rate for 15 touches 100 Hz Enhanced Algorithms Lens bending algorithms to remove signal distortions Touch suppression algorithms to remove unintentional touches Palm Recovery Algorithm for quick restoration to normal state Panel / Cover Glass Support Supports fully-laminated sensors, touch-on-lens stack-ups and on-cell designs Works with PET or glass, including curved profiles Glass from 0.55 to 2.5 mm, dependent on screen size and touch size Plastic from 0.2 mm to 1.2 mm, dependent on screen size and touch size Works with all proprietary sensor patterns recommended by Atmel Compatible with True Single Layer designs 9996DXAT4202/15Features Keys Up to 64 nodes can be allocated as mutual capacitance sensor keys (subject to other configurations) Adjacent Key Suppression (AKS ) technology is supported for false touch prevention Power Saving Programmable timeout for automatic transition from active to idle states Pipelined analog sensing detection and digital processing to optimize system power efficiency Application Interfaces 2 I C-compatible slave mode: Standard/Fast mode 400 kHz, Fast-plus mode 1 MHz, High-speed mode up to 3.4 MHz USB composite device, full speed (12 Mbps) 2 HID-I C interface for Microsoft Windows 8.x Interrupt to indicate when a message is available Power Supply Digital (Vdd) 3.3 V nominal Analog (AVdd) 3.3 V nominal Host interface I/O voltage (VddIO) 1.8 V to 3.3 V nominal (1) High voltage external X line drive (XVdd) 9.0 V maximum Package 162-ball UFBGA 10 5 0.6 mm, 0.5 mm pitch Environmental Conditions Operating temperature 40 C to +85 C 1. This is an Absolute Maximum value the Nominal value must be set lower to allow for component tolerances. mXT2952T2 1.1 Datasheet 2 9996DXAT4202/15