基于国产FPGA和CPU的综合处理接口单元设计与实现

Design and Implementation of Integrated Processing Interface Unit Based on Domestic FPGA and CPU

为了满足航空电子系统综合化、小型化、强实时、低功耗、易于测试和维护的特征,设计了基于ARM多核高性能处理器、国产FPGA的一种一体化综合处理接口单元。对外提供ARINC818视频和图像接口、TTFC、1394B、ARINC429、ADC、离散量等混合异构接口。综合处理接口单元是航空电子系统中的核心单元,是系统的控制与管理中心,同时也是系统的数据存储中心,并为系统中关键核心任务的保存和恢复提供数据仓库;综合处理单元具有冗余和重构功能,极大提升了系统的可靠性;同时使用解耦的智能监控器对综合处理接口单元进行健康监测和管理。经过系统联试等多方面验证,综合处理接口单元运行稳定可靠,显著提升了航空电子系统的可靠性。

In order to meet the characteristics of aviation electronics system integration,miniaturization,strong real-time,low power consumption,easy testing and maintenance,an integrated processing interface unit based on ARM multi-core high-performance processor and domestic FPGA is designed.ARINC818 video and image interface,TTFC,1394 B,ARINC429,Analog-to-digital converter,discrete quantity and other mixed heterogeneous interfaces are provided.The integrated processing interface unit is the core unit in the avionics system.It is the control and management center of the system.It is also the data storage center of the system.It provides a data warehouse for the preservation and recovery of key core tasks in the system.The integrated processing interface unit has redundancy and reconstruction functions,which greatly improves the reliability of the system.At the same time,a decoupled intelligent monitor is used to monitor and manage the health of the integrated processing interface unit.After system test and other aspects of verification,the integrated processing interface unit is stable and reliable,which significantly improves the reliability of avionics system.