Introduction

This application note provides guidance on how to configure the LAN8670/1/2 Ethernet PHY for optimal performance in 10BASE-T1S networks. Microchip is constantly developing improvements to the configuration. For the most current specifications, please visit the product pages on the website for LAN8670, LAN8671, and LAN8672 10BASE-T1S Ethernet PHY Transceivers [1].

The information presented in this application note is based upon the LAN8670/1/2 hardware revisions listed in the following table and is applicable for these and newer versions of the device until superseded by a newer version of the Configuration Application Note.

Table . LAN8670/1/2 Hardware Revisions
Product Revision 1Silicon Revision 2
C20101
D00110
Note:
  1. The product revision is noted in the package top marking.
  2. The Silicon Revision is located in the PHY_ID1 register in the Manufacturer’s Revision Number field.