Microchip ATMXT2952T2 Handleiding

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10016CX–AT42–07/15

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

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 22mm diameter

One-finger tracking with condensation or water drop up to 22mm diameter

Glove Support

Supports multiple-finger glove touch up to 1.5 mm thickness

Supports single-touch gloved operation with various materials up to 5mm

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 1kHz 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

Screen sizes of 11.6 to 15.6 inches diagonal are supported (subject to

configuration)

Larger screen sizes for Android applications supported (subject to configuration)

Stylus Support

Supports passive stylus with 1mm contact diameter, subject to configuration,

stack up, and sensor design

Atmel mXT2952T2

Revision 2.0

maXTouch 2911-node Touchscreen Controller

DATASHEET

Product specificaties