Table Of Contents - Microchip Technology EVB-LAN9252-DIG-IO User Manual

Preface ........................................................................................................................... 7
Introduction............................................................................................................ 7
Document Layout .................................................................................................. 7
Conventions Used in this Guide ............................................................................ 8
The Microchip Web Site ........................................................................................ 9
Development Systems Customer Change Notification Service ............................ 9
Customer Support ................................................................................................. 9
Document Revision History ................................................................................. 10
Chapter 1. Overview
1.1 Introduction ................................................................................................... 11
1.2 References ................................................................................................... 12
1.3 Terms and Abbreviations ............................................................................. 12
Chapter 2. Board Details & Configuration
2.1 Power ........................................................................................................... 13
2.2 Resets .......................................................................................................... 13
2.3 Clock ............................................................................................................ 14
2.4 Configuration ................................................................................................ 14
2.5 Mechanicals ................................................................................................. 20
Chapter 3. LAN9252 EEPROM Programming
3.1 Programming the LAN9252 EEPROM ......................................................... 21
Appendix A. EVB-LAN9252-DIG-IO Evaluation Board
A.1 Introduction .................................................................................................. 24
Appendix B. EVB-LAN9252-DIG-IO Evaluation Board Schematics
B.1 Introduction .................................................................................................. 25
Appendix C. Bill of Materials (BOM)
C.1 Introduction .................................................................................................. 33
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Table of Contents

2.1.1 +5V Power ................................................................................................. 13
2.2.1 Power-on Reset ......................................................................................... 13
2.2.2 Reset Out .................................................................................................. 13
2.2.3 GPIO Reset ............................................................................................... 13
2.4.1 Strap Options ............................................................................................ 15
2.4.2 LED Indicators ........................................................................................... 17
2.4.3 EEPROM Switch ....................................................................................... 18
2.4.4 DIG INPUT Mode ...................................................................................... 18
2.4.5 DIG OUTPUT Mode .................................................................................. 18
2.4.6 DIG Bidirectional Mode ............................................................................. 19
2.4.7 Control Signals .......................................................................................... 19
Preliminary
EVB-LAN9252-DIG-IO
ETHERCAT® DIG I/O
USER'S GUIDE
DS50002332A-page 5