µPD720114 NEC USB Hub

《µPD720114 NEC USB Hub》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、DATASHEETMOSINTEGRATEDCIRCUITμPD720114TMECOUSBSeriesUSB2.0HUBCONTROLLERTheμPD720114isaUSB2.0hubdevicethatcomplieswiththeUniversalSerialBus(USB)SpecificationRevision2.0andworksupto480Mbps.USB2.0complianttransceiversareintegratedforupstreamandalldownstreamports.TheμPD720114worksbackwardcomp

2、atibleeitherwhenanyoneofthedownstreamportsisconnectedtoaUSB1.1compliantdevice,orwhentheupstreamportisconnectedtoaUSB1.1complianthost.Detailedfunctiondescriptionsareprovidedinthefollowinguser’smanual.Besuretoreadthemanualbeforedesigning.μPD720114User’sManual:S17463EFEATURES•CompliantwithUn

3、iversalSerialBusSpecificationRevision2.0(DataRate1.5/12/480Mbps)•High-speedorfull-speedpacketprotocolsequencerforEndpoint0/1•4(Max.)downstreamfacingports•Lowpowerconsumption(10μAwhenhubinidlestatus,149mAwhenallpartsruninHSmode)•Alldownstreamfacingportscanhandlehigh-speed(480Mbps),full-spe

4、ed(12Mbps),andlow-speed(1.5Mbps)transaction.•Supportssplittransactiontohandlefull-speedandlow-speedtransactionondownstreamfacingportswhenHubcontrollerisworkinginhigh-speedmode.•OneTransactionTranslatorperHubandsupportsfournon-periodicbuffers•Supportsself-poweredandbus-poweredmode•Supports

5、individualorglobalover-currentdetectionandindividualorgangedpowercontrol•SupportsdownstreamportstatuswithLED•Supportsnon-removabledevicesbyI/Opinconfiguration•SupportEnergyStarforPCperipheralsystem•OnchipRpu,Rpdresistorsandregulator(forcorelogic)•Use30MHzcrystal•3.3VpowersupplyTheinformat

6、ioninthisdocumentissubjecttochangewithoutnotice.Beforeusingthisdocument,pleaseconfirmthatthisisthelatestversion.Notallproductsand/ortypesareavailableineverycountry.PleasecheckwithanNECElectronicssalesrepresentativeforavailabilityandadditionalinformation.DocumentNo.S17462EJ5V0DS00(5thediti

7、on)Themark""showsmajorrevisedpoints.DatePublishedJanuary2008NS2005PrintedinJapanμPD720114ORDERINGINFORMATIONPartNumberPackageRemarkμPD720114GA-9EU-A48-pinplasticTQFP(Finepitch)(7×7)Lead-freeproductμPD720114GA-YEU-A48-pinplasticTQFP(Finepitch)(7×7)Lead-freeproduct