Datasheet

MCP2221 BREAKOUT MODULE
USER’S GUIDE
 2014 Microchip Technology Inc. DS50002282A-page 5
Table of Contents
Preface ...........................................................................................................................7
Introduction............................................................................................................ 7
Document Layout .................................................................................................. 7
Conventions Used in this Guide ............................................................................ 8
Recommended Reading........................................................................................ 9
The Microchip Web Site ........................................................................................ 9
Customer Support ................................................................................................. 9
Document Revision History ................................................................................... 9
Chapter 1. Product Overview
1.1 Introduction ................................................................................................... 11
1.2 MCP2221 Breakout Module General Description ........................................ 11
1.3 What the MCP2221 Breakout Module Kit Contains ..................................... 11
Chapter 2. Installation and Operation
2.1 Introduction ................................................................................................... 13
2.2 Board Setup ................................................................................................. 13
2.3 Board Operation ........................................................................................... 14
2.4 MCP2221 Typical Usage Scenarios ............................................................. 15
Chapter 3. Software Description
3.1 Introduction ................................................................................................... 17
3.2 I
2
C
™
/SMBus Terminal and the MCP2221 .................................................... 17
3.3 Configuring Parameters ............................................................................... 18
3.4 Example for Interfacing with the MCP23008 (8-Bit I/O Expander) ............... 22
Appendix A. Schematic and Layouts
A.1 Introduction .................................................................................................. 25
A.2 Board – Schematic ....................................................................................... 26
A.3 Board – Top Silk .......................................................................................... 27
A.4 Board – Top Copper and Silk ....................................................................... 27
A.5 Board – Top Copper .................................................................................... 28
A.6 Board – Bottom Silk ..................................................................................... 28
A.7 Board – Bottom Copper and Silk ................................................................. 29
A.8 Board – Bottom Copper ............................................................................... 29
Appendix B. Bill of Materials
Worldwide Sales and Service ....................................................................................32