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# 1.6 CORETIMER Periodic Interrupt

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

## Description

This example application configures the CoreTimer Peripheral Library to generate periodic interrupts. The application registers a periodic timeout callback. 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/coretimer/coretimer_periodic_timeout/firmware.

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

Project Name | Description
--- | ---
pic32mz_daa_sk.X | MPLABX project for PIC32MZ Embedded Graphics with External DRAM (DA) Starter Kit
pic32mz_dag_sk.X | MPLABX project for PIC32MZ Embedded Graphics with Stacked DRAM (DA) Starter Kit
pic32mz_das_sk.X | MPLABX project for PIC32MZ Embedded Graphics with Stacked DRAM (DA) Starter Kit (Crypto)

## Setting Up the Hardware

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

Project Name | Description
--- | ---
pic32mz_daa_sk.X | PIC32MZ Embedded Graphics with External DRAM (DA) Starter Kit
pic32mz_dag_sk.X | PIC32MZ Embedded Graphics with Stacked DRAM (DA) Starter Kit
pic32mz_das_sk.X | PIC32MZ Embedded Graphics with Stacked DRAM (DA) Starter Kit (Crypto)

### Setting Up PIC32MZ Embedded Graphics with External DRAM (DA) Starter Kit

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

### Setting Up PIC32MZ Embedded Graphics with Stacked DRAM (DA) Starter Kit

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

### Setting Up PIC32MZ Embedded Graphics with Stacked DRAM (DA) Starter Kit (Crypto)

- 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 project using its IDE
2. LED Blinks continuously

The following table provides the details of LED:

Board | LED Name
--- | ---
PIC32MZ Embedded Graphics with External DRAM (DA) Starter Kit | LED1
PIC32MZ Embedded Graphics with Stacked DRAM (DA) Starter Kit | LED1
PIC32MZ Embedded Graphics with Stacked DRAM (DA) Starter Kit (Crypto) | LED1