 2009-2015 Microchip Technology Inc.

DS00001871B-page 3

LAN8820/LAN8820I

Table of Contents

1.0 Introduction ..................................................................................................................................................................................... 4

2.0 Pin Description and Configuration .................................................................................................................................................. 5

3.0 Functional Description .................................................................................................................................................................. 13

4.0 Register Descriptions .................................................................................................................................................................... 34

5.0 Operational Characteristics ........................................................................................................................................................... 60

6.0 Package Outline ............................................................................................................................................................................ 76

Appendix A: Data Sheet Revision History ........................................................................................................................................... 78

The Microchip Web Site ...................................................................................................................................................................... 80

Customer Change Notification Service ............................................................................................................................................... 80

Customer Support ............................................................................................................................................................................... 80

Product Identification System ............................................................................................................................................................. 81