Introduces an approach to develop serial communication program between PC and MCS-51 single chip microcomputer by using Windows 98 operation system based on VC++6.0,and also gives the hareware theory of communication.

• 在VisualC ++6 .；0环境下；利用Windows98操作系统开发出了PC机与多MCS 5 1单片机的串行通讯程序；并给出了通讯的硬件构成