ATXMEGA192A3U-MH Ver la hoja de datos (PDF) - Atmel Corporation

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ATXMEGA192A3U-MH

8/16-bit Atmel XMEGA A3U Microcontroller

Atmel Corporation 

XMEGA A3U

4. Resources

A comprehensive set of development tools, application notes and datasheets are available for

download on http://www.atmel.com/avr.

4.1 Recommended reading

• XMEGA® AU Manual

• XMEGA Application Notes

This device data sheet only contains part specific information with a short description of each

peripheral and module. The XMEGA AU Manual describes the modules and peripherals in

depth. The XMEGA application notes contain example code and show applied use of the mod-

ules and peripherals.

All documentations are available from www.atmel.com/avr.

5. Capacitive touch sensing

The Atmel® QTouch® Library provides a simple to use solution to realize touch sensitive inter-

faces on most Atmel AVR® microcontrollers. The patented charge-transfer signal acquisition

offers robust sensing and includes fully debounced reporting of touch keys and includes Adja-

cent Key Suppression® (AKS™) technology for unambiguous detection of key events. The

QTouch Library includes support for the QTouch and QMatrix® acquisition methods.

Touch sensing can be added to any application by linking the appropriate Atmel QTouch Library

for the AVR Microcontroller. This is done by using a simple set of APIs to define the touch chan-

nels and sensors, and then calling the touch sensing API’s to retrieve the channel information

and determine the touch sensor states.

The QTouch Library is FREE and downloadable from the Atmel website at the following location:

www.atmel.com/qtouchlibrary. For implementation details and other information, refer to the

Atmel QTouch Library User Guide - also available for download from the Atmel website.

6

8386A–AVR–07/11

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