Design of Communication Controller Chip Based on FlexRay Bus

Abstract

As a new generation of automotive bus, the Flex Ray Alliance includes the largest automotive industry and the most influential. The Flex Ray bus has a very wide range of applications [1], which can promote the development of future automotive electronic systems. The MFR4310 stand-alone FlexRay controller enables easy integration of FlexRay into MCU-based applications and complies with the FlexRay Alliance specification. Driven by the wave of chip localization, in order to solve the problem of insufficient self-sufficiency of China's automotive-grade chips, a communication controller chip based on FlexRay bus was designed, which is fully compatible with MFR4310. In this paper, the implementation of each module of the chip is introduced in detail, and the correctness of the design is verified through functional simulation. After the process of circuit synthesis and post-simulation, the chip layout design is finally completed. After practice, the chip can effectively improve the data transmission efficiency and system stability, and the research results will help promote the development of the localization of the chip.