The purpose of this application note is to describe the Implementation of a generic bus 100Base-TX Fast Ethernet node using MXIC highly integrated single chip Fast Ethernet controller MX98728EC series. Most description in this application note applied to both MX98728EC and MX98728AEC unless specifically described for different chips. MX98728EC in this application note refer to both MX98728EC and MX98728AEC for common descriptions. This document presents product overview, programming guide and hardware design guidelines. It is recommended that you are familiar with the data sheet of MX98728EC or MX98728AEC before using this guide.