RTL8187L_DataSheet_1.2

1、WIRELESSLANNETWORKINTERFACECONTROLLERDATASHEETRev.1.206September2005TrackID:JATR-1076-21RTL8187LRTL8187L-LFRTL8187LDatasheetWirelessLANNetworkInterfaceControlleriiTrackID:JATR-1076-21Rev.1.2COPYRIGHT©2005RealtekSemiconductorCorp.Allrightsreserved.Nopartofthisdocumentmaybereproduced,transmitted,transcribed,storedinaretrievalsystem,ortranslatedintoanylanguageinanyformorbyanymeanswithoutthewrittenpermissionofRealtekSemiconductorCorp.DISCLAIMERRealtekprovidesthisdocument“asis”,withoutwarrantyofanyk。

2、ind,neitherexpressednorimplied,including,butnotlimitedto,theparticularpurpose.Realtekmaymakeimprovementsand/orchangesinthisdocumentorintheproductdescribedinthisdocumentatanytime.Thisdocumentcouldincludetechnicalinaccuraciesortypographicalerrors.TRADEMARKSRealtekisatrademarkofRealtekSemiconductorCorporation.Othernamesmentionedinthisdocumentaretrademarks/registeredtrademarksoftheirrespectiveowners.USINGTHISDOCUMENTThisdocumentisintendedforthesoftwareengineer’sreferenceandprovidesdetailedprogrammin。

3、ginformation.Thougheveryefforthasbeenmadetoensurethatthisdocumentiscurrentandaccurate,moreinformationmayhavebecomeavailablesubsequenttotheproductionofthisguide.Inthatevent,pleasecontactyourRealtekrepresentativeforadditionalinformationthatmayhelpinthedevelopmentprocess.REVISIONHISTORYRevisionReleaseDateSummary1.02004/10/22Firstrelease.1.12005/04/25Reviseddatatransactioncontent.Addedoffset8information(Table27,page23,andTable28,page23).1.22005/09/06AddedRoHSdeclaration(seelast2pages).Addedlead(Pb)-。

4、freeandpackageidentificationinformationonpage4.Correctedsection14MechanicalDimensions,page34.RTL8187LDatasheetWirelessLANNetworkInterfaceControlleriiiTrackID:JATR-1076-21Rev.1.2TableofContents1.GENERALDESCRIPTION...............................................................................................................................................12.FEATURES......................................................................................................................................。

5、....................................23.SYSTEMAPPLICATIONS................................................................................................................................................34.BLOCKDIAGRAM............................................................................................................................................................35.PINASSIGNMENTS...............................................................................................................。

6、............................................45.1.LEAD(PB)-FREEPACKAGEIDENTIFICATION...................................................................................................................46.PINDESCRIPTIONS..........................................................................................................................................................56.1.USBTRANSCEIVERINTERFACE......................................................................................................。

7、................................56.2.EEPROMINTERFACE.....................................................................................................................................................56.3.POWERPINS....................................................................................................................................................................56.4.LEDINTERFACE........................................................................................................。

8、......................................................66.5.ATTACHMENTUNITINTERFACE......................................................................................................................................66.5.1.RTL8225RFChipset..............................................................................................................................................66.5.2.RTL8255RFChipset................................................................................................。

9、..............................................76.6.CLOCKANDOTHERPINS.................................................................................................................................................87.CPUACCESSTOENDPOINTDATA..............................................................................................................................97.1.CONTROLTRANSFER...................................................................................................................。

10、....................................97.2.BULKTRANSFER.............................................................................................................................................................98.USBREQUEST..................................................................................................................................................................108.1.GETDESCRIPTOR-DEVICE..........................................................................................。