ATTINY20-EK1 datasheet(7/220 Pages) ATMEL

Part #	ATTINY20-EK1

Description	8-bit AVR Microcontroller with 2K Bytes In-System Programmable Flash

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Manufacturer	ATMEL [ATMEL Corporation]

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ATtiny20 [DATASHEET]

8235E–AVR–03/2013

3.

General Information

3.1

Resources

A comprehensive set of drivers, application notes, data sheets and descriptions on development tools are available for

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

3.2

Code Examples

This documentation contains simple code examples that briefly show how to use various parts of the device. These code

examples assume that the part specific header file is included before compilation. Be aware that not all C compiler

vendors include bit definitions in the header files and interrupt handling in C is compiler dependent. Please confirm with

the C compiler documentation for more details.

3.3

Capacitive Touch Sensing

Atmel QTouch Library provides a simple to use solution for touch sensitive interfaces on Atmel AVR microcontrollers.

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

Touch sensing is easily added to any application by linking the QTouch Library and using the Application Programming

Interface (API) of the library to define the touch channels and sensors. The application then calls the API to retrieve

channel information and determine the state of the touch sensor.

The QTouch Library is free and can be downloaded from the Atmel website. For more information and details of

implementation, refer to the QTouch Library User Guide – also available from the Atmel website.

3.4

Data Retention

Reliability Qualification results show that the projected data retention failure rate is much less than 1 PPM over 20 years

at 85°C or 100 years at 25°C.

3.5

Disclaimer

Typical values contained in this datasheet are based on simulations and characterization of other AVR microcontrollers

manufactured on the same process technology.

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