Low Power Application on PIC32CM LE00 Using MPLAB® Harmony v3 Peripheral Libraries: Step 1

Last modified by Microchip on 2023/11/15 17:46

Verify MCC Plugin is Installed in MPLAB® X IDE

Verify that MCC is installed.

• Launch MPLAB X IDE from the Microsoft Windows® Start menu. Close any projects and files that are currently open.
• Go to Tools > Embedded.
• You will see MPLAB Code Configurator v5 in the menu.

MCC setupIf you don't see it in the menu, install MCC.

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Create MPLAB Harmony v3 Project Using MPLAB X IDE

Select File > New Project from the main IDE menu.

In the Categories pane of the New Project dialog window, select Microchip Embedded. In the Projects pane, select 32-bit MCC Harmony Project, then click Next.

project creation setup

In the Framework Path edit box, browse to the folder you downloaded the framework, then click Next.

For more information on the framework downloader, see the "Download MPLAB Harmony Framework" section of the "MPLAB Code Configurator Overview" page.

project path setup

In the Project Settings window, apply the following settings:

  • Location: Indicates the path to the root folder of the new project. All project files will be placed inside this folder. The project location can be any valid path, for example, <Your_folder>\dev\pic32cm_le00_low_power.
  • Folder: Indicates the name of the MPLABX .X folder. Enter pic32cm_le00_cpro to create a pic32cm_le00_cpro.X folder.
  • Name: Indicates the name of the project that will be shown in the MPLAB X IDE. Enter low_power_pic32cm_le00_cpro to set the project's name.

Note: The Path box is read-only. It will update as you make changes to the entries.

  • Click Next to proceed to Configuration Settings.

project naming setup

Note: Clicking on the Show Visual Help button will open a Help window providing a detailed description of the various fields in the Project Settings window.

 project naming setup help

Follow the steps below to set the project’s Configuration Settings.

  • Name: Enter the configuration name as "pic32cm_le00_cpro".
  • Target Device: Select PIC32CM5164LE00100 as the target device.

Note: You can select the Device Family or enter a partial device name to filter the list in Target Device to make it easier to locate the desired device.

  • After selecting the target device, click Finish to launch MCC.

configuration settings window

Note: The New Project Wizard opens a Configuration Settings window to allow you to review the packages that will be used by the current project.

While the MCC tool launches, Click on Select MPLAB Harmony content type.

MCC launch step 1Click on the Finish button in the MCC Content Manager Wizard.

MCC launch step 2

The MCC plugin’s main window for the project will be displayed.

launched mcc view

Before proceeding, set up the compiler toolchain. Click on the Projects tab on the top left pane in MPLAB X IDE. Right-click on the project name low_power_pic32cm_le00_cpro and go to Properties.

project properties

Make sure that XC32 (v4.30) is selected as the Compiler Toolchain for XC32. Click on Apply and then click OK.

project properties window

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Clock Configure Settings

Launch Clock Easy View by going to Project Graph in MPLABX IDE and then select Plugins > Clock Configuration.

clock configuration

The Clock Easy View window will then appear on your screen.

clock easy view no modif

Tool Tip: Double click on Clock Easy View tab to maximize the window.

Enable the 16 MHz Internal Oscillator (OSC16M) and select the 4 MHz output in the Oscillator Controller box.
The Advanced Settings window will appear after clicking on the Settings (wheel) button. Change the Oscillator On-Demand Control option to Only on peripheral Request.

internal oscillator box

Disable the Digital Frequency Locked Loop (DFLL).

dfll box

Set the OSC16M as the Generic Clock Generator 0 (GCLK0) source clock.


Enable the GCLK1 and set the OSC16M as the GCLK1's clock source.

gclk 1 box

Enable the GCLK2 and set the OSCULP32K as the GCLK2's clock source. Then, click on the Settings (wheel) button in the top right.

gclk 2 box

The Advanced Settings window will appear after clicking on the Settings (wheel) button. Check the box "GCLK should keep running in Standby mode" for both GCLK1 and GCLK2 

gclk advanced settings


gclk 2 advanced settings part 2

Select the OSCULP1K as the RTC's source clock.

rtc clock selection box

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