Terminal Integration 1553B Bus Protocol Test System Based on FPGA
The 1553B bus plays an important role in the avionics system of the aircraft.In order to get rid of the depen-dence on foreign 1553B protocol chips,a terminal integrated 1553B bus protocol test system based on FPGA is designed.The system adopts modular design method,uses Verilog language to write code,designs and implements four 1553B buses,each of which realizes the integration of BC,RT and BM terminals,fully realizes the functions of 1553B protocol,and realizes ten types of fault injection.The system is verified at the board level through the upper computer test.The test results show that the design has achieved the expected functions.Compared with the single-function 1553B protocol chip,the system greatly improves the flexibility and reliability of the application scenario.