描述 Description

In ProductionThe recommended alternative touch controller is?ATMXT640U.The mXT641T uses the latest capacitive touch technologies thatMicrochip has designed for the highest-performance super phones andtablets. With a revolutionary adaptive-sensing architecture thatfeatures both mutual- and self-capacitance, it enables the highestperformance with the industry's lowest power consumption.With 640 nodes, the mXT641T touchscreen controller supports up to 8inches for Android tablets, 7 inches for Windows 8 mobile devices, andup to 6.2 inches for devices with 1.0mm passive stylus.

The mXT641T touchscreen controller also supports 1 finger Hover tracking at up 20mm height.

Please contact your local Microchip sales office for pricing information and to place an order.

特性 Features

Fully automotive-qualified (Grade 2), operating within the temperature range of -40 to +105 deg CSupports up to 16 concurrent touches in real time with touch size reportingCommunication via a serial interface (I2C or SPI)Integrated voltage doubler?option to increase the signal to noise ratio (SNR)Adaptive Sensing (Self and Mutual cap)Supports thick glove (5mm) touchSupport thick lenses (up to 3mm plastic)Superior moisture performanceHover tracking up to 20mmPackage: TQFP100

簡介

ATmXT641T屬于集成電路（IC）的觸摸屏控制器。由制造生產(chǎn)的ATmXT641T觸摸屏控制器觸摸屏控制器是一種集成電路，可在觸摸屏傳感器陣列與屏幕操作的設(shè)備之間提供接口。該控制器從傳感器陣列（通常是電阻式或電容式）接收位置信息。然后，位置信息又通過串行、并行、USB 或 UART 接口傳遞給微控制器。