COM port
5.Use of MSComm to realize COM port communicationbetween PC and singlechip
6.Withdrawing the Chinese Matrix and Realizing the COM Port Communication by VC
8.Through programming the COM port of microprocessor realized the communication with PC.
9.Applying VB 6.0 to realize the COM port communication between PC and singlechip
10.The COM port is used to change data between the board and the PC.

