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# 1.22 TC Timer Mode

This example shows how to use the TC module in timer mode to generate periodic interrupt.

## Description

TC channel is configured in timer mode and generates periodic interrupt. LED is toggled in the interrupt handler to indicate periodic callback.

## 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/tc/tc_timer_mode/firmware.

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

Project Name | Description
--- | ---
sam_rh71_ek.X | MPLABX project for SAM RH71 Evaluation Kit

## Setting Up the Hardware

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

Project Name | Description
--- | ---
sam_rh71_ek.X | SAM RH71 Evaluation Kit

### Setting Up SAM RH71 Evaluation Kit

- Connect the Debug USB port on the board to the computer using a mini USB cable

## Running the Application

1. Build and Program the application using its IDE
2. Observe that the LED blinks once every second

Following table provides the LED name:

Board | LED Name
--- | ---
SAM RH71 Evaluation Kit | LED0