基于AT89C55 WD单片机的网络通信设计  

Design of Network Correspondence Based on the AT89C55WD

作　　者：范诚亮[1] 

机构地区：[1]东华理工学院,江西抚州344000

出　　处：《现代电子技术》2006年第9期56-57,60,共3页Modern Electronics Technique

摘　　要：CS8900A是一个集成ISA总线接口的10Base T以太网控制器。基于8位嵌入式单片机AT89C55WD,通过与内含MAC层和物理层接口的CS8900A芯片直接连接,实现以太网接入。介绍了CS8900A芯片资料及其数据接收和发送过程的工作原理。提供了硬件连接的整体框图及AT89C55WD与CS8900A的具体连接方法。并且提出了嵌入式TCP/IP协议的概念及其实现的层次结构和在通讯过程中数据处理流程的软件方案。The CS8900A is a 10Base- T Ethernet controller with ISA bus. According to 8 bit embedded microcontroller AT89C55WD, it can access and com,nunicate over the Ethernet by directly connecting to MAC layer and physics layer＇s interface chip CS8900A. The text introduces the CS8900A chip data and the work principle of data receiving and sending out process, providing the whole frame diagram of the hardware conjunction and the concrete conjunction method of AT89C55WD with CS8900A,putting forward the concept of embedded TCP/IP,the layer structure of the realization and the software project of data processing process in the communication.

关 键 词：CS8900A 以太网控制器 ISA总线 嵌入式TCP/IP 网络通信 

分 类 号：TP393.11[自动化与计算机技术—计算机应用技术]