TB3229

Introduction
1 Relevant Devices
2 Overview
3 Blink an LED
4 Long and Short Button Press
5 Wake-Up On Button Press
This example demonstrates the usage of interrupts and sleep modes. In this use case, the microcontroller exits sleep on button press, turns on an LED, and goes back to sleep. On button release, it exits sleep, turns off the LED, and goes back to sleep. The LED is ON while the button is pressed, but the microcontroller can be in sleep mode.
6 Using GPIO within MCC
7 References
8 Revision History
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8 Revision History


Document Revision	Date	Comments
B	01/2021	Updated the GitHub repository links. Added the AVR® DA Family Overview, References and Revision History sections. Added MCC versions for each use case, running on AVR128DA48. Other minor corrections.
A	10/2019	Initial document release.

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