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