Design of serial communication module between PIC microcontroller and PC-EEWORLD

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Design idea of serial communication module between PIC microcontroller and PC: This module uses the asynchronous serial communication port of PIC16F877 to realize serial communication with PC. The serial port in PC is programmed using Visual C++, and the CMSComm control in Visual C++ is used for programming. The PC serial port program uses the timed sending interrupt receiving method. The microcontroller uses the interrupt control method. When the interrupt receives 8 data, the received 8 data are sent to the PC in the form of an interrupt.

As shown in the figure is the host computer serial port debugging interface:

Figure 1. Host computer serial port debugging interface

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