高速车载网络FlexRay通信单元的设计与实现  

Design and realization of FlexRay communication unit in vehicle network

作　　者：潘辉[1] 王义[1,2] 

机构地区：[1]贵州大学电子信息学院,贵州贵阳550025 [2]贵州师范大学物理与电子科学学院,贵州贵阳550025

出　　处：《电子设计工程》2014年第11期168-170,共3页Electronic Design Engineering

基　　金：国家自然科学基金(61262007);贵州省科技厅省校合作计划项目(黔科合[2013]7003);贵阳市科技局科技创新平台计划(筑科合同[2012]303)

摘　　要：基于提高车载网络通信速率,可靠性与灵活性的目的,针对传统FlexRay通信单元布线复杂、可靠性低等问题,文中通过软硬件相结合的方法,设计了汽车FlexRay总线通信单元。文中采用集成了FlexRay通信控制器功能的高性能MC9S12XF系列单片机,给出了FlexRay通信单元主要硬件结构和软件设计流程。该通信单元具有硬件设计简单、可靠性高、实时性强等特点,为基于MC9S12XF微处理器的FlexRay通信单元的开发提供了一定的科学依据。As the complex wiring and low reliability of conventional FlexRay communication unit, in order to improve the network rate, reliability and flexibility, adopt the method of hardware and software combination. This article designed the FlexRay bus communication unit with the background of high-performance MC9S12XF microcontroller. Hardware structure and software design processes were proposed. In this paper, the circuit with the characteristics of simple hardware design, high reliability and real-time, certain scientific basis for FlexRay communication exploitation is provided.

关 键 词：车载网络 FLEXRAY 通信单元 MC9S12XF 

分 类 号：TN98[电子电信—信息与通信工程]