基于FPGA的DSP与ARINC429总线控制器接口设计  

Design of interface between DSP and ARINC429 bus controller based on FPGA

作　　者：李晓颖 刘航航 郭彦辰 王梦昊 刘飞 LI Xiaoying;LIU Hanghang;GUO Yanchen;WANG Menghao;LIU Fei(Xi’an Modern Control Technology Research Institute,Xi’an 710065,China)

机构地区：[1]西安现代控制技术研究所,西安710065

出　　处：《集成电路与嵌入式系统》2024年第4期71-76,共6页INTEGRATED CIRCUITS AND EMBEDDED SYSTEMS

摘　　要：提出了一种基于FPGA的DSP与ARINC429总线控制器的接口设计方法和电路,该设计方法也适用于DSP与串口控制器、CAN控制器等接口的扩展设计。首先,分析了TMS320C6713 EMIF与HI-8582的主要信号与时序,表明通过FPGA实现译码逻辑和时序控制就可实现TMS320C6713与HI-8582之间的通信;接着,给出了详细的硬件设计和接口逻辑设计;然后,讨论了ARINC429总线驱动软件设计;最后,通过环境试验和实际应用验证了该接口电路工作稳定可靠。A design method and circuit of the interface between DSP and ARINC429 bus controller based on FPGA are given.This design method is also suitable for the interface expansion design of DSP and serial controller,CAN controller,etc.Firstly,the main signals and timing of TMS320C6713 EMIF and HI-8582 are analyzed,and the analysis shows that the communication between TMS320C6713 and HI-8582 can be realized by implementing decoding logic and timing control through FPGA.Then the detailed hardware design and the interface logic design are discussed.Then the ARINC429 bus driver software design is discussed.Finally,the stable and reliable work of the interface circuit is verified through environmental test and practical application.

关 键 词：DSP EMIF ARINC429总线 FPGA TMS320C6713 

分 类 号：TP368.1[自动化与计算机技术—计算机系统结构]