The Design & Implementation of Ethernet Interface based on AX88796 ZHEN-BIN YANG (Chongqing University of Posts and Telecommunications, chongqing 400065) Abstract: Along with the high development of the Ethernet technology, the requests to the the Ethernet interface technology are become more and more strict. This paper gives a design and implementation of Ethernet interface which is based on the AX88796, describes its work principle and the way of combination with uCOS-II in detail and also gives the software implementation and procedure flow chart. Key Words:AX88796 Ethernet Netcard Driver Operation System