标签: mdio

此代码示例演示如何通过对LPC1700系列软件模拟一个以太网MII管理（MDIO）。AN10859LPC1700EthernetMIIManagement(MDIO)viasoftwareRev.01―6August2009ApplicationnoteDocumentinformationInfoContentKeywordsLPC1700,Ethernet,MII,RMII,MIIM,MDIOAbstractThiscodeexampledemonstrateshowtoemulateanEthernetMIIManagement(MDIO)viasoftwareontheLPC1700.NXPSemiconductorsAN10859LPC1700EthernetMIIManagement(MDIO)viasoftwareRevisionhistoryRevDateDescription0120090806Initialversion.ContactinformationForadditionalinformation,ple……

摘要：为了避免多个I²C总线的主人，在电信或数据通信系统与SFP模块，添加一个模拟多路复用器（MAX4572），指示相应的SFP模块的数据线。Maxim>AppNotes>CommunicationscircuitsKeywords:analogswitches,I2Cbus,MDIOinterface,SFPmodulesDec23,2010APPLICATIONNOTE4552AnalogSwitchMultiplexesSFPModulesBy:KevinBilkeNancyXiongAbstract:ToavoidmultipleICbusmastersinatelecomordata-communicationssystemwithSFPmodules,addananalogmultiplexer(MAX4572)thatdirectsthedatalinetotheappropriateSFPmodule.AsimilarversionofthisarticleappearedintheAugust2,2007issueofElectronicDesignmagazine.Small-form-factorpluggablemodules(SFPmodules)areincommonuseforthephysical-layerinterfaceintelecomanddata-communicationsequipment.AlsocommoninthesesystemsisanICbusfortheMDIOinterface(ManagementDat……