MCP401X/2X EVALUATION

BOARD USER’S GUIDE

© 2005 Microchip Technology Inc.

DS51546B-page iii

Table of Contents

Preface ........................................................................................................................... 1

Chapter 1. Product Overview

1.1 Introduction ..................................................................................................... 5

1.2 What is the MCP402X Digital Potentiometer Evaluation Board? ................... 5

1.3 What the MCP402X Digital Potentiometer Evaluation Board Kit Includes ..... 6

Chapter 2. Installation and Operation

2.1 Introduction ..................................................................................................... 7

2.2 PCB Description ............................................................................................. 7

2.3 Test and Operating Instructions ................................................................... 10

2.4 Firmware Description ................................................................................... 17

Appendix A. Schematic and Layouts

A.1 Introduction .................................................................................................. 19

A.2 Schematic

.................................................................................................. 20

A.3 MCP402X Board Layout – Top Layer + Silk-screen

................................. 21

A.4 MCP402X Board Layout – Bottom Layer

................................................. 21

A.5 MCP402X Board Layout – Top Silkscreen

............................................... 22

A.6 MCP402X Board Layout – Bottom Layer + Silk-screen

........................... 22

Appendix B. Bill Of Materials (BOM)

Appendix C. Using the BFMP Programmer to Power the Board

C.1 Powering the Board Using the BFMP Programmer ..................................... 25

Appendix D. Potential Programming Issue of the MCP402XEV

D.1 Introduction .................................................................................................. 27

Appendix E. 00066_MCP402XEV.ASM Source Code

E.1 Introduction .................................................................................................. 29

Worldwide Sales and Service .................................................................................... 42