EP82562ET中文资料

82562ET10/100MbpsPlatformLANConnect(PLC)NetworkingSiliconDatasheetProductFeatures■IEEE802.310BASE-T/100BASE-TXcompliantphysicallayerinterface■IEEE802.3uAuto-Negotiationsupport■DigitalAdaptiveEqualizationcontrol■Linkstatusinterruptcapability■XORtreemodesupport■3-portLEDsupport(speed,linkandactivity)■10BASE-Tauto-polaritycorrection■LANConnectInterface■Diagnosticloopbackmode■1:1transmittransformerratiosupport■Lowpower(lessthan300mWinactivetransmitmode)■Reducedpowerin“unpluggedmode”(lessthan50mW)■Automaticdetectionof“unpluggedmode”■3.3Vdevice■48-pinShrinkSmallOutlinePackageRevision1.4November2006DatasheetRevisionHistoryRevisionRevisionDateDescription0.55Sept.1999Initialrelease.0.6Nov.1999•CorrectedFigure4“NRZtoMLT-3EncodingDiagramonPg.11toreflectcorrectsignaltransitions.Removed“10BASE-TErrorDetectionandReporting”sectionsincethe82562doesnotdo10BASE-Terrorreporting.Updatedbit13ofTable3“Register16(10Hexadecimal):PLCStatus,Con-trolandAddressData”toreflectcorrectvalues.1.0May2000AdvanceInformationDatasheetrelease(IntelSecret).ModifiedTable1“82562ETHardwareConfiguration”toaddonerowforXORTreeandincludecolumnforcomments.UpdatedthedescritionoftheActivityLEDsignalinSection3.6,“LEDPins”.RevisedSection3.7,“MiscellaneousControlPins”toreflectreferencestoTable1“82562ETHardwareConfiguration”.UpdatedSection6.0,“ElectricalandTimingSpecifications”.ReplaceddiagramsinSection7.1,“PackageInformation”.1.1June2000AdvanceInformationDatasheetrelease(IntelConfidential).Oncoverpage,replacedBoundaryScanSupportwithXORtreemodesupport.AddedbulletforLANConnectI/F.Pg.3,addedaSolutionBlockDiagramasincludedinOR-2338Pg.4butreplacedEMwithETindiagram.Pg.11,removedFigure4,“NRZtoMLT-3EncodingDiagram”.Pg.35,changedtheRev.numberonthe82562Pinoutsymbolto1.0.1.2Oct2001Removedconfidentialstatus.Removedsections:“PhysicalLayerInterfaceFunctionality”and“PlatformLANConnect”.Changed“ElectricalandTimingSpecifications”sectionto“VoltageandTemperatureSpecifications”andremovedtimingspecifications.1.3March2003AddedproductorderingcodeinSection1.0.1.4Nov2006CorrectedtheTESTENsignaldescription.InformationinthisdocumentisprovidedinconnectionwithIntel®products.Nolicense,expressorimplied,byestoppelorotherwise,toanyintellectualpropertyrightsisgrantedbythisdocument.ExceptasprovidedinIntel'sTermsandConditionsofSaleforsuchproducts,Intelassumesnoliabilitywhatsoever,andInteldisclaimsanyexpressorimpliedwarranty,relatingtosaleand/oruseofIntel®productsincludingliabilityorwarrantiesrelatingtofitnessforaparticularpurpose,merchantability,orinfringementofanypatent,copyrightorotherintellectualpropertyright.Intelproductsarenotintendedforuseinmedical,lifesaving,orlifesustainingapplications.Intelmaymakechangestospecificationsandproductdescriptionsatanytime,withoutnotice.Designersmustnotrelyontheabsenceorcharacteristicsofanyfeaturesorinstructionsmarkedreservedorundefined.Intelreservestheseforfuturedefinitionandshallhavenoresponsibilitywhatsoeverforconflictsorincompatibilitiesarisingfromfuturechangestothem.The82562ETPLCmaycontaindesigndefectsorerrorsknownaserratawhichmaycausetheproducttodeviatefrompublishedspecifications.Currentcharacterizederrataareavailableonrequest.ContactyourlocalIntelsalesofficeoryourdistributortoobtainthelatestspecificationsandbeforeplacingyourproductorder.Copiesofdocumentswhichhaveanorderingnumberandarereferencedinthisdocument,orotherIntelliteraturemaybeobtainedbycalling1-800-548-4725orbyvisitingIntel'swebsiteat©2006,IntelCorporationIntel®isatrademarkorregisteredtrademarkofIntelCorporationoritssubsidiariesintheUnitedStatesandothercountries.*Otherbrandsandnamesarethepropertyoftheirrespectiveowners.DatasheetiiiNetworkingSilicon—82562ETContents1.0Introduction.........................................................................................................................11.1Overview...............................................................................................................11.2Features................................................................................................................11.3References............................................................................................................11.4ProductCode........................................................................................................22.082562ETArchitecturalOverview........................................................................................33.082562ETSignalDescriptions.............................................................................................53.1SignalTypeDefinitions.........................................................................................53.2TwistedPairEthernet(TPE)Pins.........................................................................53.3ExternalBiasPins................................................................................................53.4ClockPins................................................................................................