ATXMEGA128D4 查看數據表（PDF） - Atmel Corporation

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ATXMEGA128D4

8/16-bit Atmel XMEGA D4 Microcontroller

Atmel Corporation 

XMEGA D4

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

• Atmel AVR XMEGA D manual

• XMEGA application notes

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

peripheral and module. The XMEGA D manual describes the modules and peripherals in depth.

The XMEGA application notes contain example code and show applied use of the modules and

peripherals.

All documentation 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 interfaces

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

robust sensing and includes fully debounced reporting of touch keys and includes Adjacent 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

QTouch library user guide - also available for download from the Atmel website.

7

8135L–AVR–06/12

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