AU9380中文资料

AU9380USBFlashDiskControllerTechnicalReferenceManualRevision2.2©1997-2002AlcorMicroCorp.AllRightsReservedCopyrightNoticeCopyright1997-2002AlcorMicroCorp.AllRightsReserved.TrademarkAcknowledgementsThecompanyandproductnamesmentionedinthisdocumentmaybethetrademarksorregisteredtrademarksoftheirmanufacturers.DisclaimerAlcorMicroCorp.reservestherighttochangethisproductwithoutpriornotice.AlcorMicroCorp.makesnowarrantyfortheuseofitsproductsandbearsnoresponsibilityforanyerrorthatappearinthisdocument.Specificationsaresubjecttochangewithoutpriornotice.ContactInformation:Website::886-2-8751-1984Fax:[phone]SantaClaraOfficeLosAngelesOffice2901TasmanDrive,Suite2069400SeventhSt.,Bldg.A2SantaClara,CA95054RanchoCucamonga,CA91730USAUSAPhone:[phone]Phone:[phone]Fax:[phone]Fax:[phone]TABLEOFCONTENTSiTableofContents1.0Introduction---------------------------------------------------------------------------------------11.1Description-----------------------------------------------------------------------------------11.2Features---------------------------------------------------------------------------------------12.0ApplicationBlockDiagram-------------------------------------------------------------------33.0PinAssignment----------------------------------------------------------------------------------54.0SystemArchitectureandReferenceDesign-------------------------------------------.94.1AU9380BlockDiagram------------------------------------------------------------------94.2SampleSchematics-------------------------------------------------------------------------105.0ElectricalCharacteristics-------------------------------------------------------------------135.1RecommendedOperatingConditions-------------------------------------------------135.2GeneralDCCharacteristics-------------------------------------------------------------135.3DCElectricalCharacteristicfor3.3voltsoperation---------------------------------135.4CrystalOscillatorCircuitSetupforCharacteristics------------------------------145.5ESDTestResults--------------------------------------------------------------------------155.6Latch-UpTestResults-------------------------------------------------------------------166.0MechanicalInformation-----------------------------------------------------------------------19TABLEOFCONTENTSiINTRODUCTION11.0Introduction1.1DescriptionTheAU9380isahighlyintegratedsinglechipUSBflashdiskcontroller.ItprovidesthemostcosteffectivebridgebetweenUSBenabledPCandNANDtypeflashmemory.AU9380canbeusedasaremovablestoragediskinenormousdataexchangeapplicationsbetweenPC,Macintosh,laptopandworkstation.Itcanalsobeconfiguredasabootablediskforsystemrepairing.TheAU9380canworkwith1to4NANDtypeflashmemorychipwiththecombinationofanypopularflashmemorytype-8M,16M,32M,64Mand128M.Additionalfeaturesincludewriteprotectionswitch,activityLEDandpasswordprotectedsecurity.TheAU9380integrated48MHzPLL,3.3Vregulator,poweronresetcircuitandapowerswitchforflashmemorypowercontrol.1.2Features??FullycompliantwithUSBv1.1specificationandUSBDeviceClassDefinitionforMassStorage,Bulk-Transportv1.0??WorkwithdefaultdriverfromWindowsME,Windows2000,WindowsXP,MacOS9.1,andMacOSX.Windows98seissupportedbyvendordriverfromAlcor.??MultipleFIFOimplementationforconcurrentbusoperation??Supportupto4NANDFlashmemorychipswithwrite-protectedcapability??Supporttotalflashmemorysizeupto256MB??SupportmixeddifferentsizeNANDFlash??VendorID,productIDandstringscanbecustomizedbyutilitysoftwarefromAlcor??Canbeconfiguredtosupportdualpartitionswithdynamiclogicdiskspaceallocation.??Securityfunctionsupportedwithpasswordprotection??LEDforbusactivitymonitoring??Runsat12MHz,built-in48MHzPLL??Built-in3.3Vregulator??Built-inpowerswitchandpowermanagementcircuittoachieve500uAsuspendcurrentrequiredbyUSBspecification.??Built-inpoweronresetcircuit??DedicatedDMAenginetoensurehighestthroughputinreadandwrite??48-pinTQFPpackageasstandardpackage;44-pinLQFPpackageisalsoavailableINTRODUCTION2APPLICATIONBLOCKDIAGRAM32.0ApplicationBlockDiagramFollowingistheapplicationdiagramofatypicalflashdiskproductwithAU9380.ByconnectingtheflashdisktoadesktopornotebookPCthroughUSBbus,AU9380isimplementedasabus-powered,fullspeedUSBdisk,whichcanbeusedasabridgefordatatransferbetweenDesktopPCandNotebookPC.APPLICATIONBLOCKDIAGRAM4PINASSIGNMENT53.0PinAssignmentTheAU9380ispackedin48-pinLQFPformfactor.Thefigureonthefollowingpageshowsthesignalnamesforeachofthepinsonthechip.Accompanyingthefigureisthetablethatdescribeseachofthepinsignals.AlcorMicroCorp.AU938048-PINLQFPPINASSIGNMENT6Table3-1.PinDescriptionsPin#PinNameI/OTypeDescription1VCCAPWR3.3VinputforPLL2GNDAPWRGround3XTAL1ICrystalOscillatorInput(12MHz)4XTAL2OCrystalOscillatorOutput(12MHz)5VCC2FMOConnecttoFlashMemoryVCC6VCC5VPWR5Vpowersupply7VCCIOPWRRegulator3.3Voutput/IO3.3Vinput8RSTNXIHardwarereset(ActiveLow)9USB_DPI/OUSBD+10USB_DMI/OUSBD-11GNDIOPWRGround12NC13GPO1XOGeneralPurposeOutputpi