MPLAB® PICkit™ 4 In-Circuit Debugger User's Guide

Notice to Development Tools Customers

1.1 Document Layout

1.2 Conventions Used in This Guide

1.3 Recommended Reading

2 About the Debugger

2.1 MPLAB PICkit 4 In-Circuit Debugger Description

2.2 MPLAB PICkit 4 In-Circuit Debugger Advantages

2.3 MPLAB PICkit 4 In-Circuit Debugger Components

2.4 MPLAB PICkit 4 Block Diagram

3.1 Debugger to Target Communication

3.2 Target Communication Connections

3.4 Requirements for Debugging

3.5 Programming

3.6 Resources Used by the Debugger

4 Debugger Usage

4.1 Installation and Setup

4.2 Debug Tutorial

4.3 Quick Debug/Program Reference

4.4 Debugger Limitations

4.5 Common Debug Features

4.6 Connecting the Target Board

4.7 Setting Up the Target Board

4.8 Setting Up MPLAB X IDE

4.9 Starting and Stopping Debugging

4.10 Viewing Processor Memory and Files

4.11 Breakpoints and Stopwatch

5 MPLAB PICkit 4 Programmer-To-Go

5.1 Power Requirements for Programmer-To-Go

5.2 Limitations for Programmer-To-Go

5.3 Setting up PICkit 4 for Programmer-To-Go Mode

5.4 Using Programmer-To-Go

5.5 Exiting Programmer-To-Go Mode

6 Troubleshooting

6.1 Some Questions to Answer First

6.2 Top Reasons Why You Can't Debug

6.3 Other Things to Consider

7 Frequently Asked Questions

7.1 How Does it Work?

7.2 What's Wrong?

8 Error Messages

8.1 Types of Error Messages

8.2 General Corrective Actions

9 Engineering Technical Notes (ETNs)

10 Debugger Function Summary

10.1 Debugger Selection and Switching

10.2 Debugger Options Selection

11 Hardware Specification

11.1 USB Connector

11.2 MPLAB PICkit 4 In-Circuit Debugger

11.3 Communication Hardware

11.4 Target Board Considerations

12 Revision History

13.1 Warranty Registration

13.2 myMicrochip Personalized Notification Service

The Microchip Web Site

Customer Change Notification Service

Customer Support

Microchip Devices Code Protection Feature

Quality Management System

Worldwide Sales and Service