This paper provides a detailed introduction to the basic principle of cyclic redundancy check(CRC)and the specifics of the HDLC protocol.Based on the actual needs of a radar system,the synchronous FPGA-based seri-al communication is implemented using HDLC protocol.In addition,data exchange between the designed synchro-nous serial port and a serial communication board is carried out.The test results show that the proposed synchro-nous serial port has high accuracy and stability,making it highly applicable and inheritable.
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