Atmel mXT337TPTP Revision 1.0 maXTouch 336-node Touchpad Controller DATASHEET Features Atmel maXTouch Adaptive Sensing Touchpad Technology Up to 24 X (transmit) lines and 14 Y (receive) lines A maximum of 336 nodes can be allocated to the touchpad Screen sizes of 5.3 inches diagonal are supported (subject to configuration) while meeting Microsoft Phone touch performance requirements Larger screen sizes for Android applications supported (subject to configuration) Multi-touch support with up to 16 concurrent touches tracked in real time Dual-boot OS support for Microsoft 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 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 10 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 mm to 2.5 mm, dependent on screen size, touch size, and stack-up 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 10129AXAT4209/15Features 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 2 HID-I C interface for Microsoft Windows 10 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 High voltage internal X line drive (XVdd) = 2 Vdd (6.6 V), with internal voltage doubler Packages 56-pin UFQFN 6 6 0.6 mm, 0.35 mm pitch 64-ball UFBGA 5 5 0.6 mm, 0.5 mm pitch 72-ball UFBGA 6 6 0.6 mm, 0.5 mm pitch Environmental Conditions Operating temperature 40 C to +85 C mXT337TPTP 1.0 Datasheet 2 10129AXAT4209/15