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标签: ds21455

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JJ-20.11-Compatible Interface for the DS2155 and DS21455 SCTs

所需E币: 5

时间: 2019-12-28 23:53

大小: 174KB

上传者: 16245458_qq.com

TheDallasSemiconductorDS2155orDS21455single-chiptransceiver(SCT)canbeusedtocreateaninterfacethatiscompatiblewiththeJapaneseJJ-20.11standard.BoththeDS2155andDS21455haveadigitalmultiplexerandI/OinterfacethatprovideaccesstotheclockandbipolardatasignalsbetweentheframerandLIUsections.UsingaFPGAorCPLD,thedatasteamcanbemodifiedtosupporttheJJ-20.11standard.BecausetheLIUalreadyhastheabilitytocodeanddecodetheCodedMarkInversion(CMI)signalusedinJJ-20.11,onlyaslightmodificationisneededtoincreasethegainofthereceivesignal.……

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