在分析ARM芯片S3C44B0X及网络芯片RTL8019AS的基础上，重点研究了TCP/IP协议的一个开源精简协议栈Lwip协议栈-On the basis of analysis of the ARM chip S3C44B0X and network chip RTL8019AS, focusing on the TCP/IP protocol, an open source streamline the protocol stack Lwip protocol stack