This user's guide describes how to use MPLAB PICkit 4 In-Circuit Debugger. Other useful documents are listed below. The following Microchip documents are available and recommended as supplemental reference resources.
Multi-Tool Design Advisory (DS51764)
Please read this first! This document contains important information about operational issues that should be considered when using the MPLAB PICkit 4 In-Circuit Debugger with your target design.
MPLAB X IDE Online Help
This is an essential document to be used with any Microchip hardware tool.
This is an extensive help file for the MPLAB X IDE. It includes an overview of embedded systems, installation requirements, tutorials, details on creating new projects, setting build properties, debugging code, setting configuration bits, setting breakpoints, programming a device, etc. This help file is generally more up-to-date than the printable PDF of the user’s guide (DS50002027) available as a free download at https://www.microchip.com/mplabx/.
Release Notes for MPLAB PICkit 4 In-Circuit Debugger
For the latest information on using MPLAB PICkit 4 In-Circuit Debugger, read the notes under “Release Notes and Support Documentation” on the MPLAB X IDE Start Page. The release notes contain update information and known issues that may not be included in this user’s guide.
MPLAB PICkit 4 Quick Start Guide Poster (DS50002721)
This poster shows you how to connect the hardware and install the software for the MPLAB PICkit 4 In-Circuit Debugger using standard communications and a target board.
MPLAB PICkit 4 In-Circuit Debugger Online Help File
A comprehensive help file for the debugger is included with MPLAB X IDE. Usage, troubleshooting and hardware specifications are covered. This help file may be more up-to-date than the printed documentation.
Processor Extension Pak and Header Specification (DS50001292)
This booklet describes how to install and use headers. Headers are used to better debug selected devices, without the loss of pins or resources. See also the PEP and Header online Help file.