维护接口单元硬件设计  

A Hardware Design of Maintenance Interface Unit

作　　者：吕宁 谢秀川 封安[1] 原晨 LYU Ning;XIE Xiu-chuan;FENG An;YUAN Chen(Xi'an Aeronautics Computing Technique Research Institute,AVIC,Xi'an 710000,China)

机构地区：[1]航空工业西安航空计算技术研究所,陕西西安710000

出　　处：《航空计算技术》2024年第2期115-120,共6页Aeronautical Computing Technique

基　　金：国家重点研发计划项目资助(2017YFB13001104)。

摘　　要：嵌入式计算机模块接口种类繁多,通信协议不尽相同,增加了对设备调试与维护的难度,针对该问题,提出一种基于CPU+FPGA的维护接口单元设计方案,覆盖了多种接口的使用需求,可用于不同模块的调试和维护,提高了测试覆盖率和便捷性。方案充分利用了CPU丰富的外设功能和强大的数据处理能力,以及FPGA灵活易扩展的能力,将不同模式的接口集成在维护接口单元主板上,并对其性能和布局进行了优化。经调试测试,证明了方案的可行性和有效性,具有很好的应用前景和工程价值。Embedded computer modules feature a variety of interfaces and communication protocols,which increases the difficulty of debugging and maintaining equipment.To solve this problem,this paper proposes a maintenance interface unit design based on CPU+FPGA.This design accommodates various interface needs,facilitating debugging and maintenance across different modules,thereby enhancing test coverage and convenience.The scheme maximizes the rich peripheral functionality and powerful data processing capabilities of the CPU,along with the flexibility and expandability of the FPGA.It integrates various interface modes onto the mainboard of the maintenance interface unit,with optimized performance and layout.Through debugging and testing,the scheme's feasibility and effectiveness are established,indicating significant application prospects and engineering value.

关 键 词：IO接口 FPGA WIFI 通信 维护 TSN网络 

分 类 号：TP335[自动化与计算机技术—计算机系统结构]