预览加载中，请您耐心等待几秒...

1553B总线通信卡中CPCI总线的应用.docx

预览
1/2
2/2

在线预览结束，喜欢就下载吧，查找使用更方便

下载提示 文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

1553B总线通信卡中CPCI总线的应用 Introduction 1553BcommunicationcardisaspecializedhardwaredeviceusedtointerfacewiththeMIL-STD-1553Bcommunicationbus.Thecardisresponsiblefortransmittingandreceivingcommandandcontrolmessagesbetweenthehostcomputerandotherdevicesconnectedtothebus.TheCPCIbus,ontheotherhand,isahigh-speedserialbususedincomputersystemsfordatatransfer.Inthispaper,wewillexaminetheapplicationofCPCIbusinthe1553Bcommunicationcard. OverviewofCPCIBus CompactPCI(CPCI)isahigh-speed,high-bandwidthserialbusdesignedforcomputersystems.Thebusconsistsofanumberofinterconnectedslots,eachofwhichcanbepopulatedwithavarietyofdifferentcards.TheCPCIbusfirstappearedin1995andhassincebeenusedinawiderangeofapplicationsincludingtelecommunications,computernetworking,andindustrialcontrolsystems. TheCPCIbusisbasedonthePCIbusstandardandoperatesataclockrateofupto33MHz.Thebusprovidesbothdataandcontrolsignals,andsupportsawiderangeofperipheraldevices.CPCIsupportsbothhot-swappingandhot-plugging,allowinguserstoaddorremovecardswhilethesystemisrunning.CPCIalsoprovidessuperiorsystemreliabilitythankstoitsbuilt-inerrordetectionandcorrectionmechanisms. ApplicationsofCPCIBusin1553BCommunicationCard The1553Bcommunicationcardistypicallyusedinmilitaryandaerospaceapplicationswherereliability,safety,andperformancearecritical.ThecardisdesignedtointerfacedirectlywiththeMIL-STD-1553Bbus,whichisastandardcommunicationbususedinavionics,space,andground-basedmilitarysystems. Toachievehigh-performancecommunicationandreliabledatatransfer,the1553BcommunicationcardusesaCPCIbusfordataexchangebetweenthecardandthehostsystem.TheCPCIbusisusedtotransferdatabetweenthecard'sonboardprocessor,memory,andotherperipheralssuchasUARTsandtimers. TheCPCIbusallowsfortheintegrationofmultiplecommunicationcardsinasinglesystem,providingincreasedflexibilityandfunctionality.Thebusenablescommunicationbetweenmultiple1553Bcommunicationcardsandthehostcomputer,allowingforthesimultaneoustransmissionandreceptionofdatafromandtomultipledevices. TheuseofCPCIbusin15