1553B bus semi-physical simulation system and method

The invention discloses a 1553B bus semi-physical simulation system and method.The 1553B bus semi-physical simulation system comprises a target board, an FPGA interface simulation device, a drive packaging module, a 1553B bus simulation chip and a terminal virtual device, and the target board is connected with the FPGA interface simulation device through interface mapping logic; the simulation method comprises the following steps: step 1, mapping; step 2, reading and writing the register group; step 3, data storage; step 4, sending data; 5, synchronizing data; step 6, storing, receiving and sending; step 7, state simulation; step 8, sending and receiving a cache region; step 9, protocol transmission; according to the invention, a mode of combining interface physical simulation and processing logic simulation is adopted, semi-physical simulation of a 1553B bus is realized, a simulation test environment of a processor consisting of upper computer software and an intelligent target board in a loop is formed, and