用户手册 — Microchip Technology MA180024

目录

• Table of Contents

  3
• Preface

  5
  • Introduction

    5
  • Document Layout

    5
  • Conventions Used in this Guide

    6
  • Warranty Registration

    7
  • Recommended Reading

    7
  • The Microchip Web Site

    8
  • Development Systems Customer Change Notification Service

    8
  • Customer Support

    9
  • Document Revision History

    9
• Chapter 1. Introduction

  11
  • 1.1 Introduction

    11
  • 1.2 Demonstration Board Package Contents

    11
  • 1.3 PIC18F46J50 Family USB Capabilities

    11
• Chapter 2. Board Hardware

  13
  • Figure 2-1: PIC18F46J50 Full-Speed USB Demonstration Board

    14
  • 2.1 Power Management

    14
  • 2.2 LEDs

    15
  • 2.3 Push Buttons

    15
  • 2.4 Jumpers

    15
    • 2.4.1 JP2 Jumper

      15
    • 2.4.2 JP3 Jumper

      16
  • 2.5 Programming the Microcontroller

    16
  • 2.6 Operation with the PIC18 Explorer or PICDEM™ HPC Explorer Boards

    17
• Chapter 3. Preprogrammed Firmware

  19
  • 3.1 Overview

    19
    • Figure 3-1: Windows® XP Device Manager Entries (Demo Mode)

      20
  • 3.2 Using the Composite HID+MSD Class Demo Firmware

    21
    • 3.2.1 MSD Interface

      21
    • 3.2.2 HID Interface

      21
      • Figure 3-2: HID Demo Application

        22
  • 3.3 Using the HID Bootloader Firmware

    22
    • Figure 3-3: USB HID Bootloader Application – No Device

      23
    • Figure 3-4: USB HID Bootloader Application – Device Found

      23
• Appendix A. Troubleshooting Tips

  25
• Appendix B. Board Schematics

  27
  • Figure B-1: PIC18F46J50 Full-Speed USB Demonstration Board – Pins(1,2,3)

    28
  • Figure B-2: PIC18F46J50 Full-Speed USB Demonstration Board – Microprocessor(1,2)

    29
  • Figure B-3: PIC18F46J50 Full-Speed USB Demonstration Board – ICE Module(1,2)

    30
• Worldwide Sales and Service

  32