本文使用微处理器和以太网协议芯片,组成嵌入式以太网接口,用软件实现简化的TCP/IP协议,解决了仪器仪表与以太网的连接问题。使用该接口,通过现有计算机网络,实现了对仪器仪表的远程控制和访问。 关键字:以太网;RTL8019;TCP/IP Abstract:Basing on analysis of ethernet technology and TCP/IP protocol,the paper ntroduces a interface of connecting intelligent instrument to ethernet directly. It lso gives the design of hardware and software. keyword:Ethernet;RTL8019;TCP/IP