基于LAN91C111的嵌入式以太网系统设计和评估  

Design and evaluation of embedded Ethernet system based on LAN91C111

作　　者：李润超[1] 张钦宇[1] 曾伟[1] 吴绍华[1] 

机构地区：[1]哈尔滨工业大学深圳研究生院,广东深圳518055

出　　处：《计算机工程与设计》2010年第17期3739-3742,3834,共5页Computer Engineering and Design

基　　金：国家863高技术研究发展计划基金项目(2008AA701301);国家自然科学基金项目(60702034)

摘　　要：为了实现高速、高性能的嵌入式以太网系统,提出了基于以太网控制器LAN91C111和32位高性能处理器MN103E的以太网传输系统设计方案,并设计了用于检验以太网系统功能和传输性能的在板测试评估方案。针对评估测试程序的特点,详细阐述了评估测试程序的组成、驱动设计方法和具体评估测试的方案设计。最后通过实验验证了测试程序的正确性、完备性,同时也验证了以太网平台设计的正确和高效。该平台设计方案对其它嵌入式以太网的设计和实现具有很强的参考意义,在板评估方法也普遍适用于其它各种嵌入式以太网系统。To realize the embedded Ethernet system with high speed and performance,an Ethernet communication system with the network controller LAN91C111 is designed according to the MN103E,a 32-bits high performance processor.Meanwhile,in order to evaluate the performance and the functionality of the system,an on-board evaluation coding and procedure is implemented.For the characteristics of evaluation program,the composition of evaluation program,the driver design method and the detail evaluation scheme is analyzed.Finally,the correctness and completeness of evaluation program is verified by experiments,and the correctness and efficiency of the design of Ethernet platform is also verified.According to the results,it is indicated that the system design is a general reference for other design of embedded system and the on-board evaluation method is generally applicable to other kinds of embedded Ethernet system.

关 键 词：嵌入式以太网 LAN91C111 在板评估 性能测试 系统测试 

分 类 号：TP393.11[自动化与计算机技术—计算机应用技术]