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Harmony 3 peripheral library application examples for SAM C20/C21 family
RTC periodic interrupt
false
false

MCHP

RTC periodic interrupt

This example application shows how to use the RTC to generate periodic interrupts.

Description

This example application demonstrates how to use the 32-bit timer mode of the RTC to generate periodic ticks. It toggles an LED every time the callback is triggered.

Downloading and building the application

To clone or download this application from Github, go to the main page of this repository and then click Clone button to clone this repository or download as zip file. This content can also be downloaded using content manager by following these instructions.

Path of the application within the repository is apps/rtc/rtc_periodic_timeout/firmware .

To build the application, refer to the following table and open the project using its IDE.

Project Name Description
sam_c21n_xpro.X MPLABX project for SAMC21N Xplained Pro Evaluation Kit

Setting up the hardware

The following table shows the target hardware for the application projects.

Project Name Board
sam_c21n_xpro.X SAMC21N Xplained Pro Evaluation Kit

Setting up SAMC21N Xplained Pro Evaluation Kit

  • Connect the Debug USB port on the board to the computer using a micro USB cable

Running the Application

  1. Build and Program the application using its IDE
  2. The LED blinks continuously

Following table provides the LED name:

Board LED Name
SAMC21N Xplained Pro Evaluation Kit LED0