51单片机控制以太网通讯:：介绍以太网的帧协议和以太网控制芯片RTL8019AS 的结构特性；介绍51 单片机控制RTL8019AS 实现

以太网通讯的硬件设计方案；采用C51 语言实现ARP 协议（地址解析协议），并进行了系统的调试与验证。-51 SCM Ethernet Communication:: Introduction to Ethernet protocol and Ethernet control chip frame structure RTL8019AS properties　introduced 51 single-chip control RTL8019AS Ethernet communication hardware design　using C51 language ARP protocol (Address Resolution Protocol), and make the system debugging and verification.