嵌入式单片机PPP协议的应用研究介绍了PPP 协议原理、单片机ppp协议、单片机与pc机之间ppp连接的建立，程序流程等。非常不错的一篇文章。-embedded microcontroller PPP agreement on the application of the PPP principle agreement, the 8031 ppp agreement SCM and pc-ppp connection between the establishment of procedures

运用proteus仿真了两个单片机之间的通信，附带详细的源码，希望对你的学习有帮助。-Proteus simulation using two single-chip communication between the source incidental detail, and they hope to help your learning.

此程序用于网络芯片W5300的调试，用于上位机与51单片机之间的通信-This program is used to debug network chip W5300 for PC and 51 communication between the microcontroller