MXT641T中文资料爱特梅尔数据手册PDF规格书

特性 Features

 Atmel® maXTouch® Adaptive Sensing Touchscreen Technology

 Up to 32 X (transmit) lines and 20 Y (receive) lines

 A maximum of 640 nodes can be allocated to the touchscreen

 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

 Hover Support

 Supports one-finger hover up to 25 mm detection and 20 mm tracking range

 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 10 touches 60 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