RapidIO protocol, as one of the data communication protocols, plays an important role in the development of embedded systems. It is suitable for short-distance application scenarios that require cooperation of multiple processing units, such as the board card system composed of multiple DSPs. As a high-performance digital signal processor, BWDSP chip has great potential in radar signal processing. In the hardware design and development, it is difficult to adapt the specific hardware resources directly using the existing data communication protocol, resulting in the low data transmission performance of the final product. Therefore, it is necessary to combine the specific hardware model to design the simulation model of data communication exchange model, so as to improve the efficiency of data transmission. This study first introduces RapidIO protocol and BWDSP architecture, then designs a serial RapidIO exchange model based on SystemC language, and finally designs and implements BWDSP virtual platform. The functions of BWDSP virtual platform designed in this study are in line with the actual RapidIO protocol standard, which has a certain guiding significance for the development of hardware products.