Microchip Technology MPLAB Starter Kit for PIC18F MCU DM180021 User Manuals

Table of Contents

• Table of Contents

  3
• Preface

  5
• Chapter 1. Introduction to the Starter Kit

  11
  • 1.1 Overview

    11
  • 1.2 Operational Requirements

    11
  • 1.3 Initial Board Setup

    11
    • 1.3.1 Installing the Software

      12
    • 1.3.2 Connecting the Hardware

      12
      • Figure 1-1: Starter Kit Setup

        12
• Chapter 2. The Demonstration Application

  13
  • 2.1 Bootloader From the MicroSD™ Memory Card

    13
    • Figure 2-1: Functional Block Diagram of Bootloader

      13
    • Figure 2-2: Typical Sequence for Bootloader Messages

      14
    • 2.1.1 Memory Organization

      14
    • 2.1.2 Remapped Vectors

      14
      • Figure 2-3: Program Memory Map of the PIC18F46J50 Demo

        15
    • 2.1.3 Writing Application Code

      15
  • 2.2 USB HID Mouse Demo

    15
  • 2.3 USB HID Joystick Demo

    16
    • Figure 2-4: Joystick Demo Properties Dialog

      16
  • 2.4 USB HID Custom Device Demo

    17
    • Figure 2-5: HID Demo Application, Visual (Left) and Numeric Tabs

      17
    • 2.4.1 mTouch™ Calibration

      18
  • 2.5 USB CDC Demo

    18
  • 2.6 USB MSD Card Reader Demo

    18
• Chapter 3. Developing an Application

  19
  • 3.1 Setting Up an Example Application for Debug

    20
    • Figure 3-1: Connecting the Starter Kit Debugger/Programmer

      20
    • Figure 3-2: Debugging a USB Application on the Starter Kit

      20
    • Figure 3-3: Starter Kit as Debug Tool in MPLAB® IDE

      21
  • 3.2 Running the Example Application

    22
    • Table 3-1: PIC18F Starter Kit Debugger Toolbar

      22
  • 3.3 Debugging the Example Application

    22
    • 3.3.1 Editing Application Code

      23
      • Figure 3-4: Example Project

        23
    • 3.3.2 Using Breakpoints and Mouseovers

      23
      • Figure 3-5: Example Breakpoint

        24
    • 3.3.3 Using Watch Windows

      24
      • Figure 3-6: Example Watch Window

        24
  • 3.4 Programming the Debugged Application

    25
  • 3.5 Creating Other Applications

    25
  • 3.6 Determining Device Support

    25
  • 3.7 Reserved Resources

    25
  • 3.8 Debug Version Information

    25
  • 3.9 Troubleshooting

    26
    • 3.9.1 Debug Connection Problems

      26
    • 3.9.2 Programming Problems

      26
• Chapter 4. Hardware

  27
  • 4.1 Application Functional Overview

    27
    • Figure 4-1: Application Side Block Diagram

      27
  • 4.2 Programmer/Debugger Functional Overview

    28
    • Figure 4-2: Starter Kit Programmer/Debugger Block Diagram

      28
  • 4.3 Board Components

    29
    • Figure 4-3: PIC18F starter kit Component Layout

      29
    • Table 4-1: PIC18F Starter Kit Component Descriptions

      30
• Appendix A. Starter Kit Schematics

  33
  • Figure A-1: Starter Kit Schematic, Sheet 1: Programmer/Debugger System

    34
  • Figure A-2: Starter Kit Schematic, Sheet 2: Application Microcontroller, Soft Start Power Circuit, Accelerometer and Switches

    35
  • Figure A-3: Starter Kit Schematic, Sheet 3: OLED Display, SD Interface, Application Side Usb Connector and Power Supervisor, and Other Connectors

    36
• Appendix B. USB Current Draw Requirements

  37
  • B.1 USB Current Specifications

    37
    • B.1.1 Inrush Current

      37
    • B.1.2 Total Application Current Draw

      37
    • B.1.3 Suspend Current Limitations

      37
  • B.2 PIC18F Soft Start Circuitry

    38
    • Figure B-1: PIC18F Starter Kit Soft Start Circuit

      38
    • Figure B-2: Varying PWM Output to Slowly Cross the Linear Region of Q1’s Output

      39
    • Figure B-3: The Entire Soft Start Process

      39
  • B.3 Soft Start Functions and Usage

    39
    • B.3.1 AppPowerEnable()

      39
    • B.3.2 AppPowerReady()

      40
    • B.3.3 AppPowerDisable()

      40
  • B.4 USB Suspend Current Limitations for the Starter Kit

    41
    • Corporate Office

      46
    • Atlanta

      46
    • Boston

      46
    • Chicago

      46
    • Cleveland

      46
    • Fax: 216-447-0643

      46
    • Dallas

      46
    • Detroit

      46
    • Kokomo

      46
    • Toronto

      46
    • Fax: 852-2401-3431

      46
    • Australia - Sydney

      46
    • China - Beijing

      46
    • China - Shanghai

      46
    • India - Bangalore

      46
    • Korea - Daegu

      46
    • Korea - Seoul

      46
    • Singapore

      46
    • Taiwan - Taipei

      46
    • Fax: 43-7242-2244-393

      46
    • Denmark - Copenhagen

      46
    • France - Paris

      46
    • Germany - Munich

      46
    • Italy - Milan

      46
    • Spain - Madrid

      46
    • UK - Wokingham

      46
    • Worldwide Sales and Service

      46
• Index

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