2015-2019 Microchip Technology Inc. DS00001920B-page 1
1.0 INTRODUCTION
The Microchip LAN9252 is a 2/3-port EtherCAT
®
Slave Controller (ESC) with dual integrated Ethernet PHYs. The
LAN9252 is typically implemented in Industrial Automation solutions and includes the following main features:
• Integrated high -performance 100Mbps Ethernet transceivers
• 3 FMMUs, 4 SyncManagers, Distributed clock support, 4K bytes of DPRAM
• 8/16-bit host bus interface allowing connection to most 8/16/32-bit embedded controllers
• SPI / SQI slave interface
• Support for 5 different main configurations:
- Digital I/O (DIGIO)
-HBI
- SPI with GPIO
- SPI with MII - 3-port (MII upstream) mode
- SPI with MII - 3-port (MII downstream) mode
• 3rd port for flexible network configurations
• Comprehensive power management features
• Low pin count and small package size
The purpose of this document is to provide details on the various LAN9252 EEPROM configuration and programming
options when using the EVB-LAN9252-HBIPLUS and EVB-LAN9252-DIGIO evaluation boards.
1.1 Software Requirements
• Latest version of Beckhoff EtherCAT
®
Slave Stack Tool and required ESI file
• XML Notepad
• LAN9252 ESC configuration data config.xls
1.2 References
• Microchip LAN9252 Data Sheet
• Microchip EVB-LAN9252-HBIPLUS Evaluation Board User’s Guide
• Microchip EVB-LAN9252-DIGIO Evaluation Board User’s Guide
• Beckhoff ET1100 Data Sheet
AN1920
Microchip LAN9252 EEPROM
Configuration and Programming
Author: Kansal Mariam Banu Shaick Ibrahim
Microchip Technology Inc.
AN1920
DS00001920B-page 2 2015-2019 Microchip Technology Inc.
1.3 Terms and Abbreviations
TABLE 1-1: TERMS AND ABBREVIATIONS
Term Definition
DA Destination Address
ESC
EtherCAT
®
Slave Controller
EDPD Energy Detect Power Down
EVB Engineering Validation Board
HBI Host Bus Interface
IDE Integrated Development Environment
SPI Serial Protocol Interface
SSC Slave Stack Code