基于NiosⅡ处理器的以太网接口设计  

Design of Ethernet interface based on NiosⅡ

作　　者：王蒙[1] 徐洋[1] 王平[1] 

机构地区：[1]重庆邮电大学自动化电子嵌入研究所,重庆400065

出　　处：《重庆邮电大学学报（自然科学版）》2007年第2期197-200,共4页Journal of Chongqing University of Posts and Telecommunications(Natural Science Edition)

基　　金：重庆邮电大学青年教师科技基金(A2006-45)

摘　　要：以NiosⅡ嵌入式软处理器为核心,利用以太网控制器LAN91C111设计了基于NiosⅡ嵌入式软处理器的以太网通信接口。提供了以太网接口具体的硬件设计方案,分析了1wIP协议(精简的TCP/IP协议),并根据1wIP协议进一步编写了以太网接口的驱动程序。与传统的嵌入式设计方案相比,该方案具有很强的扩展性和灵活性,降低了软件的开发成本以及硬件实现风险。An Ethernet interface based on Nios Ⅱsoft-core and Ethernet controller chip-LAN91C111 was designed. The hardware design was provided in a detailed way and the protocol of lwIP was analyzed. At ＂the same time, the software was also given based on the lwIP. Compared with traditional project, this design has a strong expansibility and agility. It also reduces the cost that used to develop the software and the risk in the course of the hardware development.

关 键 词：NIOS Ⅱ LAN91C11 嵌入式处理器 可编程片上系统 

分 类 号：TP393.03[自动化与计算机技术—计算机应用技术]