Description: Connect the serial port or usb to serial port to your computer, download the program, turn the power to open the serial port debugger, set the baud rate 9600, no parity crystal 11.0592MHz, send and receive using the same format, use characters such as type format, sending the box to enter hello, I Love MCU, the receiver box can also see the same characters, indicating the correct setting and communication
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rs232.c
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