VPX-technology-overview.pdf

《VPX-technology-overview.pdf》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、TechnologyOverview:VITA46(VPX)MERCURYTECHNOLOGYOVERVIEWINTRODUCTIONI/Oandmaintenancestrategies.Complexalgorithmsandmulti-ThisMercuryTechnologyOverviewisoneinaseriesdesignedplehigh-speeddatasourcesrequirehighperformance.toprovideadeeperlookatthearrayofMercuryte

2、chnologiesavailabletodesignersofhigh-performancesignalprocessingImprovedbandwidth–Usingachoiceofmodernserialfabricsystems.interconnects,systemdesignershaveaccesstodramaticallyimprovedbandwidthatgreatlyreducedpincounts.ComparedtoInthisoverview,welookatVITA46(VP

3、X),anewcomputingVMEbusbandwidthsinthe40-60MBrange,VPXsystemscanstandardthatcombinesthelatestinconnectorandpackagingachieveover5Gigabytespersecond(5GB/s)usingtoday’sfab-technologywiththelatestinserialfabricandbustechnology.Wericspeeds.Onekeydifferenceinthearchi

4、tectureofVPXisitsdiscussthemotivationbehindcreatinganewstandard,thepri-abilitytosupportanexpansivefull-meshdesignthroughanmaryissuesitsarchitectsweretryingtosolve,andsomepointsincreasednumberofserialfabriclinksonthemodule,dramati-inthearchitecturethatmayhelpde

5、cisionsonimplementingsys-callyincreasingsystemaggregatebandwidthtoover100GB/s.temsusingthestandard.Togetthemostfromthisoverview,youNext-generationinterconnectslikeRapidIO®and10GbEusetheshouldalreadybefamiliarwiththeseresources:XAUIelectricalspecificationrunnin

6、gat3.125Gigabitspersec-•MercuryTechnologyBrief:EvolutionofComputingStandardsond(Gb/s).Otherserialtechnologiesareinasimilarrange–forexample,PCIExpress®at2.5Gb/s,andFibreChannelat4Gb/s.forSignalProcessingThelatestgenerationofIEEE1394camerascanproduceimage•Anyofs

7、everalcomputingstandardsbasedonthepopulardataatwellover1GB/s.AllofthesedevicesoperateabovetheEurocardformat,suchasVME64xorCompactPCI®1Gb/slimitoftheDINconnectorsfoundinVME64xsystems.ThislimitationoftheVME64xarchitecturepushesVMEtech-Thisoverviewdoesnotrepresen

8、tthecompletetechnicaldetailnologyarchitectstosometypeofnewconnector,withthechoiceavailableinthespecificationsdiscussed,butitdoesdrawonnowwhethertoincrementallyimprovewithanenhanced