active51peizi

2009-2015MicrochipTechnologyInc.
DS00002005A-page1GeneralDescriptionTheMicrochipUSB2250/50i/51/51iisaUSB2.
0com-pliant,Hi-Speedmassstorageclassperipheralcontrol-lerintendedforreadingandwritingtomorethan24popularflashmediaformatsfromtheCompactFlash(CF),SmartMediaTM(SM),xD-PictureCardTM(xD)1,MemoryStick(MS),SecureDigital(SD),andMultiMe-diaCardTM(MMC)families.
TheUSB2250/50i/51/51iisafullyintegrated,singlechipsolutioncapableofultrahighperformanceopera-tion.
Averagesustainedtransferratesexceeding35MB/sarepossibleifthemediaandhostcansupportthoserates.
Highlights128-pinVTQFP(14x14mm)RoHScompliantpackageTargetedforapplicationsinwhichsingleor"combo"mediasocketsareusedSupportsmultiplesimultaneouscardinsertionsFlexibleassignmentofnumberofLUNsandhowcardtypesareassociatedwiththeLUNsHardware-controlleddataflowarchitectureforallself-mappedmediaPipelinedhardwaresupportforaccesstonon-self-mappedmediaOrdernumberwith"i"denotestheversionthatsupportstheindustrialtemperaturerangeof-40Cto85CHardwareFeaturesSinglechipflashmediacontrollerwithnon-multi-plexedinterfaceforindependentcardsocketsFlashMediaSpecificationRevisionCompliance-CompactFlash4.
1-SecureDigital2.
0-MultiMediaCard4.
2MMCStreamingModesupport-MemoryStick1.
43-MemoryStickProFormat1.
02-MemoryStickDuoFormat1.
10-MemoryStickPro-HGDuoFormat1.
01-xD-PictureCard1.
2-SmartMedia1.
3Extendedconfigurationoptions-xDplayermodeoperation-Socketswitchpolarities,etc.
MediaActivityLEDOnboard24MHzcrystaldrivercircuitOptionalexternal24MHzclockinput-4IndependentinternalcardpowerFETs-200mAeach-"Fold-back"shortcircuitprotection80518-bitmicroprocessor-60MHz-singlecycleexecution-64KBROM|14KBRAMInternalregulatorfor1.
8VcoreoperationOptimizedpinoutimprovessignalroutingwhicheasesimplementationforimprovedsignalinteg-rityOEMSelectableVendor,product,andlanguageIDsManufacturerIDandproductstrings(28charac-ter)Serialnumberstring(12hdigitmax)CustomizablevendorspecificdatabyoptionaluseofexternalserialEEPROMBus-orself-poweredselectionLEDblinkintervalordurationInternalpowerFETconfigurationSoftwareFeaturesOptimizedforlowlatencyinterrupthandlingReducedmemoryfootprintDeviceFirmwareUpgrade(DFU)supportofexter-nalEEPROMorExternalFlash-Assemblylinesupport-Enduserfieldupgradesupport-DFUPackageconsistsofdriver,firmware,sampleDFUapplicationandsourcecode,DFUdriverAPIOptionalcustomfirmwarewithupto128KBexternalROMApplicationsFlashMediaCardReader/WriterPrintersDesktopandMobilePCsConsumerA/VMediaPlayers/ViewersVistaReadyBoostTM1.
)xD-PictureCardnotapplicabletoUSB2251.
USB2250/50i/51/51iUltraFastUSB2.
0Multi-SlotFlashMediaControllerUSB2250/50i/51/51iDS00002005A-page22009-2015MicrochipTechnologyInc.
TOOURVALUEDCUSTOMERSItisourintentiontoprovideourvaluedcustomerswiththebestdocumentationpossibletoensuresuccessfuluseofyourMicrochipproducts.
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MostCurrentDataSheetToobtainthemostup-to-dateversionofthisdatasheet,pleaseregisteratourWorldwideWebsiteat:http://www.
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2009-2015MicrochipTechnologyInc.
DS00002005A-page3USB2250/50i/51/51iTableofContents1.
0Introduction42.
0PinConfiguration63.
0BlockDiagram74.
0PinTable85.
0PinDescriptions106.
0PinResetStateTable177.
0ConfigurationOptions218.
0ACSpecifications329.
0DCParameters3410.
0PackageOutline38AppendixA:DataSheetRevisionHistory39ProductIdentificationSystem40TheMicrochipWebSite41CustomerChangeNotificationService41CustomerSupport412009-2015MicrochipTechnologyInc.
DS00002005A-page4USB2250/50i/51/51i1.
0INTRODUCTIONTheMicrochipUSB2250/50i/51/51iisaflashmediacardreadersolutionfullycompliantwiththeUSB2.
0specification.
AllrequiredresistorsontheUSBportsareintegratedintothedevice.
ThisincludesallseriesterminationresistorsonD+andD–pinsandallrequiredpull-downandpull-upresistors.
Theover-currentsenseinputsforthedownstreamfac-ingportshaveinternalpull-upresistors.
HardwareFeaturesSinglechipflashmediacontrollerUSB2250/USB2251supportsthecommercialtemperaturerangeof0°Cto+70°CUSB2250i/USB2251isupportstheindustrialtemperaturerangeof-40°Cto+85°C80518-bitmicroprocessor-60MHz-singlecycleexecution-64KBROM|14KBRAMIntegratedregulatorfor1.
8VcoreoperationFlashMediaCardSpecificationRevisionComplianceCompactFlash4.
1-CFUDMAModes0-4-CFPIOModes0-6SecureDigital2.
0-HS-SDandHC-SD-TransFlashandreducedformfactormediaMultiMediaCard4.
2-1/4/8bitMMCMemoryStick1.
43MemoryStickProFormat1.
02MemoryStickPro-HGDuoFormat1.
01-MemoryStick,MSDuo,HS-MS,MSPro-HG,MSProMemoryStickDuo1.
10SmartMedia1.
3xD-PictureCard1.
2SoftwareFeaturesIftheOEMisusinganexternalEEPROM,thefollowingfeaturesareavailable:-Customizablevendor,product,anddeviceID's-12-hexdigitsmaximumfortheserialnumberstring-28-charactermanufacturerIDandproductstringsfortheflashmediareader/writerUSB2250/50i/51/51iDS00002005A-page52009-2015MicrochipTechnologyInc.
1.
1AcronymsATA:AdvancedTechnologyAttachmentCFC:CompactFlashControllerFET:FieldEffectTransistorLUN:LogicalUnitNumberMMC:MultiMediaCardMSC:MemoryStickControllerPLL:Phase-LockedLoopRoHS:RestrictionofHazardousSubstancesDirectiveRXD:ReceivedeXchangeDataSDC:SecureDigitalControllerSIE:SerialInterfaceEngineSMC:SmartMediaControllerTrueIDEMode:TrueIntegratedDriveElectronicsModeTXD:TransmiteXchangeDataUART:UniversalAsynchronousReceiver-TransmitterUCHAR:UnsignedCharacterUINT:UnsignedIntegerVTQFP:VeryThinQuadFlatPackage2009-2015MicrochipTechnologyInc.
DS00002005A-page6USB2250/50i/51/51i2.
0PINCONFIGURATIONFIGURE2-1:128-PINVTQFPDIAGRAM97MS_D699MS_D3100MS_D7101MS_SCLK102VSS103TEST104VDD33106MA7107MA13108MA6109MA8110MA5111MA9112MA4113MA11114MA3115nMRD116MA2117CF_DMARQ/RXDSCL/xD_IDCF_DMACK120LED121VBUS_DET122VSS123XTAL2124XTAL1(CLKIN)125VDD18PLL126VSS127RBIAS128VDD3364nRESET63CF_D562CF_D1261CF_D460CF_D1159CF_D358CF_nCD57SM_nCD56SM_nB/R55SM_nRE54SM_nCE53SM_CLE52SM_ALE51VSS50VDD3349VDD1848SM_nWE47SM_nWP46SM_D045SM_D144SM_D243SM_D342SM_D441SM_D540SM_D639SM_D738SM_nWPS37MD036MD135MD234MD333MD796MS_D295MS_D494MS_D0/MS_SDIO93MS_D592MS_D191MS_BS90CF_D1089CF_D988CF_D287CF_D886CF_D185CF_D084CF_SA083CF_SA182CF_SA281VSS80CF_IORDY79CF_nRESET78CRD_PWR177VDD3376CRD_PWR275VSS74CF_IRQ73CF_nIOW72CF_nIOR71CF_nCS070CF_D1569CF_D768CF_D1467CF_D666CF_D1365VDD33USB225X128VTQFP(TopView)1MA122MA153nMWR4MA145SDA6REG_EN7USB+8USB-9VSS10SD_D111SD_D612SD_D013SD_D715VDD331617VSS18SD_CLK19SD_D520SD_CMD21SD_D422SD_D323SD_D224MA1025MA1/CLK_SEL126nMCE27MA0/CLK_SEL028MA1629MD630MD531MD4SD_nCD14CRD_PWR0118CRD_PWR31193298MS_INS105SD_WP2009-2015MicrochipTechnologyInc.
DS00002005A-page7USB2250/50i/51/51i3.
0BLOCKDIAGRAMFIGURE3-1:USB2250/50I/51/51IBLOCKDIAGRAMFMDUCTL8051PROCESSORSFRRAMCF/GPIO(16)MSSMRAMUSBHostAUTO_CBWPROCPHYFMIXDATABRIDGE+BUSARBITERBUSINTFCBUSINTFCBUSINTFCEP0TXEP0RXEP2TXEP2RXEP1RXEP1TXROM64KBRAM10KBADDRMAPPWR_FET1PWR_FET3CRD_PWR0CRD_PWR1CRD_PWR3ClockGenerationandControlCRD_PWR2SD/MMC4KtotalPWR_FET0PWR_FET2GPIOsProgramMemoryI/OBus3.
3V1.
8VRegVDD183.
3VVDD18PLLPLL24MHzCrystalSIECTL1.
8VRegUSB2250/USB22512009-2015MicrochipTechnologyInc.
DS00002005A-page8USB2250/50i/51/51i4.
0PINTABLE4.
1128-PinPackageTABLE4-1:128-PINVTQFPPACKAGECOMPACTFLASHINTERFACE(28PINS)CF_D0CF_D1CF_D2CF_D3CF_D4CF_D5CF_D6CF_D7CF_D8CF_D9CF_D10CF_D11CF_D12CF_D13CF_D14CF_D15CF_nIORCF_nIOWCF_IRQCF_nRESETCF_IORDYCF_nCS0CF_DMACKCF_SA0CF_SA1CF_SA2CF_nCDCF_DMARQSMARTMEDIAINTERFACE(17PINS)SM_D0SM_D1SM_D2SM_D3SM_D4SM_D5SM_D6SM_D7SM_ALESM_CLESM_nRESM_nWESM_nWPSM_nB/RSM_nCESM_nCDSM_nWPSMEMORYSTICKINTERFACE(11PINS)MS_BSMS_D0/MS_SDIOMS_SCLKMS_INSMS_D1MS_D2MS_D3MS_D4MS_D5MS_D6MS_D7SECUREDIGITAL/MULTIMEDIACARDINTERFACE(12PINS)SD_CMDSD_CLKSD_D0SD_D1SD_D2SD_D3SD_WPSD_nCDSD_D4SD_D5SD_D6SD_D7USBINTERFACE(6PINS)USB+USB-RBIASXTAL2XTAL1(CLKIN)REG_ENUSB2250/50i/51/51iDS00002005A-page92009-2015MicrochipTechnologyInc.
MEMORY/IOINTERFACE(28PINS)MA0/CLK_SEL0MA1/CLK_SEL1MA2MA3MA4MA5MA6MA7MA8MA9MA10MA11MA12MA13MA14MA15MA16MD0MD1MD2MD3MD4MD5MD6MD7nMRDnMWRnMCEMISC(10PINS)nRESETVBUS_DETSCL/xD_IDSDALEDCRD_PWR0CRD_PWR1CRD_PWR2CRD_PWR3TESTDIGITAL,POWER(16PINS)(6)VDD33(8)VSSVDD18VDD18PLLTOTAL128TABLE4-1:128-PINVTQFPPACKAGE(CONTINUED)2009-2015MicrochipTechnologyInc.
DS00002005A-page10USB2250/50i/51/51i5.
0PINDESCRIPTIONSThissectionprovidesadetaileddescriptionofeachsignal.
Thesignalsarearrangedinfunctionalgroupsaccordingtotheirassociatedinterface.
Thepindescriptionsareappliedwhenusingtheinternaldefaultfirmwareandcanberefer-encedinSection7.
0,"ConfigurationOptions,"onpage21.
PleasereferenceSection1.
1,"Acronyms,"onpage5foralistoftheacronymsused.
The"n"symbolinthesignalnameindicatesthattheactive,orasserted,stateoccurswhenthesignalisatalowvoltagelevel.
When"n"isnotpresentinthesignalname,thesignalisassertedatthehighvoltagelevel.
Thetermsassertionandnegationareusedexclusively.
Thisisdonetoavoidconfusionwhenworkingwithamixtureof"activelow"and"activehigh"signals.
Thetermassert,orassertion,indicatesthatasignalisactive,independentofwhetherthatlevelisrepresentedbyahighorlowvoltage.
Thetermnegate,ornegation,indicatesthatasignalisinac-tive.
5.
1128-PinVTQFPPinDescriptionsTABLE5-1:USB2250/50I/51/51I128-PINVTQFPPINDESCRIPTIONSNameSymbol128-PinVTQFPBufferTypeDescriptionCOMPACTFLASH(CF)INTERFACECFChipSelect0CF_nCS071O12PUThispinistheactivelowchipselect0signalforthetaskfileregistersoftheCFATAdeviceinTrueIDEmode.
Thispinhasaweakinternalpull-upresistor.
CFRegisterAddressCF_SA[2:0]828384I/O12ThesepinsaretheregisterselectaddressbitsfortheCFATAdevice.
CFInterruptCF_IRQ74IPDThisistheactivehighinterruptrequestsignalfromtheCFdevice.
Thispinhasaweakinternalpull-downresistor.
CFData15-8CF_D[15:8]/7068666260908987I/O12PDCF_D[15:8]:Thesepinsarethebi-directionaldatasignalsCF_D15-CF_D8inTrueIDEmodedatatransfer.
InTrueIDEmode,alltaskfileregisteroperationsoccuronCF_D[7:0],whiledatatransferoccursonCF_D[15:0].
Thesebi-directionaldatasignalshaveweakinternalpull-downresistors.
CFData7-0CF_D[7:0]6967636159888685I/O12PDCF_D[7:0]:Thesepinsarethebi-directionaldatasignalsCF_D7-CF_D0inTrueIDEmodedatatransfer.
InTrueIDEmode,allofthetaskfileregisteroperationsoccuronCF_D[7:0],whiledatatransferoccursonCF_D[15:0].
Thesebi-directionaldatasignalshaveweakinternalpull-downresistors.
IOReadyCF_IORDY80IPUThispinistheactivehighinputsignalforIORDY.
Thispinhasaweakinternalpull-upresistor.
CFCardDetection1CF_nCD58I/O12DesignatesastheCompactFlashcarddetectionpin.
CFHardwareResetCF_RESET_N79O12ThispinisanactivelowhardwareresetsignaltotheCFdevice.
CFIOReadCF_nIOR72O12ThispinisanactivelowreadstrobesignalfortheCFdevice.
CFIOWriteStrobeCF_nIOW73O12ThispinisanactivelowwritestrobesignalfortheCFdevice.
USB2250/50i/51/51iDS00002005A-page112009-2015MicrochipTechnologyInc.
CFDMArequestCF_DMARQ/RXD117ICF_DMARQ:ThispinistheDMArequestfromthedevicetotheCFcontroller.
RXD:ThesignalcanbeusedasinputtotheRXDofUARTinthedevice.
Customfirmwareisrequiredtoactivatethisfunction.
CFDMAacknowledgeCF_DMACK119O12CF_nDMACK:ThispinisanactivelowDMAacknowledgesignalfortheCFdevice.
SMARTMEDIA(SM)INTERFACESMWriteProtectSM_nWP47O12PDThispinisanactivelowwriteprotectsignalfortheSMdeviceandhasaweakpull-downresistorthatispermanentlyenabled.
SMAddressStrobeSM_ALE52O12PDThispinisanactivehighAddressLatchEnablesignalfortheSMdeviceandhasaweakpull-downresistorthatispermanentlyenabled.
SMCommandStrobeSM_CLE53O12PDThispinisanactivehighCommandLatchEnablesignalfortheSMdeviceandhasaweakpull-downresistorthatispermanentlyenabled.
SMData7-0SM_D[7:0]3940414243444546I/O12PDThesepinsarethebi-directionaldatasignalsSM_D7-SM_D0andhaveweakinternalpull-downresistors.
SMReadEnableSM_nRE55O12PUThispinisanactivelowreadstrobesignalfortheSMdevice.
WhenusingtheinternalFET,thispinhasaweakinternalpull-upresistorthatistiedtotheoutputoftheinternalpowerFET.
IfanexternalFETisused(internalFETisdisabled),thentheinternalpull-upisnotavailable(externalpull-upsmustbeused).
SMWriteEnableSM_nWE48O12PUThispinisanactivelowwritestrobesignalfortheSMdevice.
WhenusingtheinternalFET,thispinhasaweakinternalpull-upresistorthatistiedtotheoutputoftheinternalpowerFET.
IfanexternalFETisused(internalFETisdisabled),thentheinternalpull-upisnotavailable(externalpull-upsmustbeused).
SMWriteProtectSwitchSM_nWPS38IPUAwrite-protectsealisdetectedwhenthispinislow.
Thispinhasaweakinternalpull-upresistor.
SMBusyorDataReadySM_nB/R56IPUThispinisconnectedtotheBSY/RDYpinoftheSMdevice.
WhenusingtheinternalFET,thispinhasaweakinternalpull-upresistorthatistiedtotheoutputoftheinternalpowerFET.
IfanexternalFETisused(internalFETisdisabled),thentheinternalpull-upisnotavailable(externalpull-upsmustbeused).
TABLE5-1:USB2250/50I/51/51I128-PINVTQFPPINDESCRIPTIONS(CONTINUED)NameSymbol128-PinVTQFPBufferTypeDescription2009-2015MicrochipTechnologyInc.
DS00002005A-page12USB2250/50i/51/51iSMChipEnableSM_nCE54O12PUThispinistheactivelowchipenablesignaltotheSMdevice.
WhenusingtheinternalFET,thispinhasaweakinternalpull-upresistorthatistiedtotheoutputoftheinternalpowerFET.
IfanexternalFETisused(internalFETisdisabled),thentheinternalpull-upisnotavailable(externalpull-upsmustbeused).
SMCardDetectionSM_nCD57I/O12DesignatesastheSmartMediacarddetectionpin.
MEMORYSTICK(MS)INTERFACEMSBusStateMS_BS91O12ThispinisconnectedtothebusstatepinoftheMSdevice.
Itisusedtocontrolthebusstates0,1,2and3(BS0,BS1,BS2andBS3)oftheMSdevice.
MSCardInsertionMS_INS98IPUDesignatesastheMemoryStickcarddetectionpin.
MSSystemCLKMS_SCLK101O12ThispinisanoutputclocksignaltotheMSdevice.
Theclockfrequencyissoftwareconfigurable.
MSSystemDataIn/OutMS_D[7:1]100979395999692I/O12PDMS_D[7:1]:Thesepinsarethebi-directionaldatasignalsfortheMSdevice.
MS_D2andMS_D3haveweakpull-downresistors.
MS_D1hasapull-downresistorifitisinparallelmode,otherwiseitisdisabled.
In4-or8-bitparallelmode,eachMS_D7:1signalhasaweakpull-downresistor.
MSSystemDataIn/OutMS_D0/94I/O12PDMS_D0:Thispinisoneofthebi-directionaldatasignalsfortheMSdevice.
Inserialmode,themostsignificantbit(MSB)ofeachbyteistransmittedfirstbyeitherMSCortheMSdeviceonMS_D0,MS_D2,andMS_D3(whichhaveweakpull-downresistors).
IfMS_D1isinparallelmode,ithasapull-downresistor;Otherwise,itisdisabled.
In4-or8-bitparallelmode,theMS_D0signalhasaweakpull-downresistor.
SECUREDIGITAL(SD)/MULTIMEDIACARD(MMC)INTERFACESDData7-0SD_D[7:0]1311192122231012I/O12PUThesepinsarebi-directionaldatasignalsSD_D0-SD_D7andhaveweakpull-upresistors.
SDClockSD_CLK18O12ThisisanoutputclocksignaltotheSD/MMCdevice.
Theclockfrequencyissoftwareconfigurable.
TABLE5-1:USB2250/50I/51/51I128-PINVTQFPPINDESCRIPTIONS(CONTINUED)NameSymbol128-PinVTQFPBufferTypeDescriptionUSB2250/50i/51/51iDS00002005A-page132009-2015MicrochipTechnologyInc.
SDCommandSD_CMD20I/O12PUThisisabi-directionalsignalthatconnectstotheCMDsignaloftheSD/MMCdeviceandhasaweakinternalpull-upresistor.
SDWriteProtectedSD_WP105I/O12DesignatesastheSecureDigitalcardmechanicalwritedetectpin.
SDCardDetectSD_nCD32I/O12DesignatesastheSecureDigitalcarddetectionpin.
USBINTERFACEUSBBusDataUSB+USB-78I/O-UThesepinsconnecttotheUSBbusdatasignals.
USBTransceiverBiasRBIAS127I-RA12.
0k,±1.
0%resistorisattachedfromVSStothispininordertosetthetransceiver'sinternalbiascurrents.
24MHzCrystalInput(ExternalClockInput)XTAL1(CLKIN)124ICLKxThispincanbeconnectedtooneterminalofthecrystaloritcanbeconnectedtoanexternal24/48MHzclockwhenacrystalisnotused.
TheMA[1:0]pinswillbesampledwhileRESET_Nisasserted,andthevaluewillbelatcheduponRESET_Nnegation.
Thiswilldeterminetheclocksourceandvalue.
24MHzCrystalOutputXTAL2123OCLKxThisistheotherterminalofthecrystal,oritisleftopenwhenanexternalclocksourceisusedtodriveXTAL1(CLKIN).
Itmaynotbeusedtodriveanyexternalcircuitryotherthanthecrystalcircuit.
MEMORY/IOINTERFACEMemoryDataBusMD[7:0]3329303134353637I/O12PUThesesignalsareusedtotransferdatabetweentheinternalCPUandtheexternalprogrammemoryandhaveweakinternalpull-upresistors.
TABLE5-1:USB2250/50I/51/51I128-PINVTQFPPINDESCRIPTIONS(CONTINUED)NameSymbol128-PinVTQFPBufferTypeDescription2009-2015MicrochipTechnologyInc.
DS00002005A-page14USB2250/50i/51/51iMemoryAddressBusMA1628O12Thesesignalsaddressmemorylocationswithintheexternalmemory.
MA[15:2]24107111324111109106108110112114116O12Thesesignalsaddressmemorylocationswithintheexternalmemory.
MA[1:0]/CLK_SEL[1:0]2527O12MA[1:0]:Thesesignalsaddressmemorylocationswithintheexternalmemory.
I/O12PDCLK_SEL[1:0]:DuringRESET_Nassertion,thesepinswillselecttheoperatingfrequencyoftheexternalclock,andthecorrespondingweakpull-downresistorsareenabled.
WhenRESET_Nisnegated,thevalueonthesepinswillbelatchedinternallyandthesepinswillreverttoMA[1:0]functionality;theinternalpull-downswillbedisabled.
CLK_SEL[1:0]='00'.
24MHzCLK_SEL[1:0]='01'.
RESERVEDCLK_SEL[1:0]='10'.
RESERVEDCLK_SEL[1:0]='11'.
48MHzIfthelatchedvalueis'1',thecorrespondingMApinistri-statedwhenthechipisinpowerdownstate.
Ifthelatchedvalueis'0',thecorrespondingMApinwillfunctionidenticallytoMA[15:3]pinsatalltimes(otherthanduringRESET_Nassertion).
MemoryWriteStrobenMWR3O12ThispinistheactivelowprogramMemoryWritestrobesignal.
MemoryReadStrobenMRD115O12ThispinistheactivelowprogramMemoryReadstrobesignal.
MemoryChipEnablenMCE26O12ThispinistheactivelowprogramMemoryChipEnablestrobesignal.
Thissignalisassertedwhenanyexternalaccessisbeingdonebytheprocessor.
Thissignalisheldtothelogic'high'whileRESET_Nisasserted.
TABLE5-1:USB2250/50I/51/51I128-PINVTQFPPINDESCRIPTIONS(CONTINUED)NameSymbol128-PinVTQFPBufferTypeDescriptionUSB2250/50i/51/51iDS00002005A-page152009-2015MicrochipTechnologyInc.
MISCGeneralPurposeInput/OutputLED120I/O12LED:ItcanbeusedasanLEDoutput.
VBUS_DET121I/O12VBUSisa3.
3voltinput.
Aresistordividermustbeusedifconnectingto5voltsofUSBpower.
SCL/xD_ID118O12SCL:ThisistheclockoutputwhenusedwithanexternalEEPROM.
I/O12xD_ID:ThisisthexD-PictureCarddetectionpinonlyapplicabletoUSB2250/USB2250i.
SDA5I/O12SDA:ThisisthedatapinwhenusedwithanexternalserialEEPROM.
CRD_PWR014I/O12CRD_PWR:Cardpowerdriveof3.
3Vateither100mAor200mA.
I/O200CRD_PWR178I/O12CRD_PWR:Cardpowerdriveof3.
3Vateither100mAor200mA.
I/O200CRD_PWR276I/O200CRD_PWR:Cardpowerdriveof3.
3Vateither100mAor200mA.
Requirement:ThismustbetheonlyFETusedtopowerSMdevices.
FailuretodothiswillviolateSMvoltagespecificationonSMdevicepins.
CRD_PWR316I/O200CRD_PWR:Cardpowerdriveof3.
3Vateither100mAor200mA.
Requirement:ThismustbetheonlyFETusedtopowerSMdevices.
FailuretodothiswillviolateSMvoltagespecificationonSMdevicepins.
RESETInputRESET_N64ISThisactivelowsignalisusedbythesystemtoresetthechip.
Theactivelowpulseshouldbeatleast1swide.
TESTInputTEST103ITiethispintogroundfornormaloperation.
RegulatorEnableREG_EN6IPUThissignalisusedtoenabletheinternal1.
8Vregulator.
DIGITALPOWER,andGROUND1.
8VDigitalCorePowerVDD1849Iftheinternalregulatorisenabled,thenthispinmusthavea1.
0F(orgreater)±20%(ESR<0.
1)capacitortoVSS.
1.
8VPLLPowerVDD18PLL125Iftheinternalregulatorisenabled,thenthispinmusthavea1.
0F(orgreater)±20%(ESR<0.
1)capacitortoVSS.
3.
3VPowerandVoltageRegulatorInputVDD3315506577104128Iftheinternalregulatorisenabled,pins50and128eachrequireanexternalbypasscapacitorof4.
7Fminimum.
TABLE5-1:USB2250/50I/51/51I128-PINVTQFPPINDESCRIPTIONS(CONTINUED)NameSymbol128-PinVTQFPBufferTypeDescription2009-2015MicrochipTechnologyInc.
DS00002005A-page16USB2250/50i/51/51iNote5-1Hot-insertioncapablecardconnectorsarerequiredforallflashmedia.
ItisrequiredfortheSDconnectortohaveaWriteProtectswitch.
ThisallowsthechiptodetecttheMMCcard.
Note5-2nMCEisnormallyassertedexceptwhenthe8051isinstandbymode.
5.
2BufferTypeDescriptionsGroundVSS917517581102122126GroundReferenceTABLE5-2:BUFFERTYPEDESCRIPTIONSBUFFERDESCRIPTIONIInput.
IPUInputwithinternalweakpull-upresistor.
IPDInputwithinternalweakpull-downresistor.
ISInputwithSchmitttrigger.
I/O12Input/Outputbufferwith12mAsinkand12mAsource.
I/O200Input/Outputbuffer12mAwithFETdisabled,100/200mAsourceonlywhentheFETisenabled.
I/O12PDInput/Outputbufferwith12mAsinkand12mAsourcewithaninternalweakpull-downresistor.
I/O12PUInput/Outputbufferwith12mAsinkand12mAsourcewithapull-upresistor.
O12Outputbufferwith12mAsource.
O12PUOutputbufferwith12mAsinkand12mAsource,withapull-upresistor.
O12PDOutputbufferwith12mAsinkand12mAsource,withapull-downresistor.
ICLKxXTALclockinput.
OCLKxXTALclockoutput.
I/O-UAnalogInput/OutputasdefinedintheUSB2.
0Specification.
I-RRBIAS.
TABLE5-1:USB2250/50I/51/51I128-PINVTQFPPINDESCRIPTIONS(CONTINUED)NameSymbol128-PinVTQFPBufferTypeDescription2009-2015MicrochipTechnologyInc.
DS00002005A-page17USB2250/50i/51/51i6.
0PINRESETSTATETABLEFIGURE6-1:PINRESETSTATESTABLE6-1:LEGENDFORPINRESETSTATESTABLESymbolDescription0Outputdrivenlow1OutputdrivenhighIPInputenabledPUHardwareenablespull-upPDHardwareenablespull-down--HardwaredisablesfunctionZHardwaredisablespad.
Bothoutputdriverandinputbuffersaredisabled.
VoltageSignal(v)Time(t)RESETRESETHardwareInitializationFirmwareOperationalVDD33VSSUSB2250/50i/51/51iDS00002005A-page182009-2015MicrochipTechnologyInc.
6.
1128-PinResetStates6.
2128-PinResetStatesTABLE6-2:USB2250/50I/51/51I128-PINRESETSTATESResetStateResetStatePinPinNameFunctionInput/Out-putPU/PDPinPinNameFunctionInput/Out-putPU/PD85CF_D0Nonez--58CF_nCDNoneIPpu86CF_D1Nonez--46SM_D0SMzpd88CF_D2Nonez--45SM_D1SMzpd59CF_D3Nonez--44SM_D2SMzpd61CF_D4Nonez--43SM_D3SMzpd63CF_D5Nonez--42SM_D4SMzpd67CF_D6Nonez--41SM_D5SMzpd69CF_D7Nonez--40SM_D6SMzpd87CF_D8Nonez--39SM_D7SMzpd89CF_D9Nonez--52SM_ALESMzpd90CF_D10Nonez--53SM_CLESMzpd60CF_D11Nonez--47SM_nWPSMzpd62CF_D12Nonez--38SM_nWPSSMz--66CF_D13Nonez--57SM_nCDNoneIPpu68CF_D14Nonez--91MS_BSMSzpd70CF_D15Nonez--101MS_SCLKMSzpd72CF_nIORCFz--94MS_D0/MS_SDIOMSzpd73CF_nIOWCFz--92MS_D1MSzpd74CF_nIRQCFz--96MS_D2MSzpd79CF_nRESETCFz--99MS_D3MSzpd80CF_IORDYCFz--95MS_D4MSzpd71CF_nCS0CFz--93MS_D5MSzpd84CF_SA0CFz--97MS_D6MSzpd83CF_SA1CFz--100MS_D7MSzpd82CF_SA2CFz--98MS_INSNoneIPpu2009-2015MicrochipTechnologyInc.
DS00002005A-page19USB2250/50i/51/51i119CF_DMACKNone0--20SD_CMDSDz--117CF_DMARQNone0--34MD3MAzpu12SD_D0SDz--18SD_CLKSDz--10SD_D1SDz--31MD4MAzpu23SD_D2SDz--30MD5MAzpu22SD_D3SDz--29MD6MAzpu21SD_D4SDz--33MD7MAzpu19SD_D5SDz--115nMRDMA1--11SD_D6SDz--26nMCEMA1--13SD_D7SDz--120LEDNone0--105SD_WPNone0--118SCL/xD_IDNone0--32SD_nCDNoneIPpu14CRD_PWR0Nonez--27MA0/CLK_SEL0MAIPpd78CRD_PWR1Nonez--25MA1/CLK_SEL1MAIPpd76CRD_PWR2Nonez--116MA2MAIPpd16CRD_PWR3Nonez--114MA3MAIPpd103TESTTESTIP--112MA4MA0--64nRESETnRESETIP--110MA5MA0--1MA12MA0--108MA6MA0--4MA14MA0--106MA7MA0--2MA15MA0--109MA8MA0--3nMWRMA1--111MA9MA0--121VBUS_DETNoneIP--24MA10MA0--5SDANone0pu113MA11MA0--55SM_nRESMz--107MA13MA0--48SM_nWESMz--28MA16MA0--56SM_nB/RSMz--37MD0MAzpu54SM_nCESMz--TABLE6-2:USB2250/50I/51/51I128-PINRESETSTATES(CONTINUED)ResetStateResetStatePinPinNameFunctionInput/Out-putPU/PDPinPinNameFunctionInput/Out-putPU/PDUSB2250/50i/51/51iDS00002005A-page202009-2015MicrochipTechnologyInc.
36MD1MAzpu7USB+USB+z--35MD2MAzpu8USB-USB-z--TABLE6-2:USB2250/50I/51/51I128-PINRESETSTATES(CONTINUED)ResetStateResetStatePinPinNameFunctionInput/Out-putPU/PDPinPinNameFunctionInput/Out-putPU/PD2009-2015MicrochipTechnologyInc.
DS00002005A-page21USB2250/50i/51/51i7.
0CONFIGURATIONOPTIONS7.
1CardReaderTheMicrochipUSB2250/50i/51/51iisfullycompliantwiththefollowingflashmediacardreaderspecifications:CompactFlash4.
1-CFUDMAModes0-4-CFPIOModes0-6SecureDigital2.
0-HS-SDandHC-SD-TransFlashandreducedformfactormediaMultiMediaCard4.
2-1/4/8bitMMCMemoryStick1.
43MemoryStickProFormat1.
02MemoryStickPro-HGDuoFormat1.
01-MemoryStick,MSDuo,HS-MS,MSPro-HG,MSProMemoryStickDuo1.
10SmartMedia1.
3xD-PictureCard1.
27.
1.
1VBUSDETECTAccordingtoSection7.
2.
1oftheUSB2.
0Specification,adevicecannotprovidepowertoitsD+orD-pull-upresistorsunlesstheupstreamport'sVBUSisintheasserted(powered)state.
TheVBUS_DETpinonthedevicemonitorsthestateoftheupstreamVBUSsignalandwillnotpull-uptheD+resistorifVBUSisnotactive.
IfVBUSgoesfromanactivetoaninactivestate(notpowered),thedevicewillremovepowerfromtheD+pull-upresistorwithin10seconds.
7.
2SystemConfigurations7.
2.
1EEPROMTheUSB2250/50i/51/51icanbeconfiguredviaa2-wire(I2C)EEPROM(512x8)flashdevicecontainingtheoptionsfortheUSB2250/50i/51/51i.
Ifanexternalconfigurationdevicedoesnotexisttheinternaldefaultvalueswillbeused.
Ifoneoftheexternaldevicesisusedforconfiguration,theOEMcanupdatethevaluesthroughtheUSBinterface.
Thedevicewillthen"attach"totheupstreamUSBhost.
TheUSBDMtoolsetisavailableintheUSB225xCardReadersoftwarereleasepackage.
TodownloadthesoftwarepackagefromMicrochip'swebsite,pleasevisit:http://www.
microchip.
com/SWLibraryWeb/producttc.
aspxproduct=OBJ%20files%20for%20USB2250togototheOBJCardReaderSoftwareDownloadAgreement.
Reviewthelicense,andifyouagree,checkthe"Iagree"boxandthenselect"Confirm".
YouwillthenbeabletodownloadtheUSB225xCardreadercomboreleasepackagezipfilescontainingtheUSBDMtoolset.
Pleasenotethatthefollowingappliestothesystemvaluesanddescriptionswhenused:N/A=NotapplicabletothispartReserved=ForinternaluseUSB2250/50i/51/51iDS00002005A-page222009-2015MicrochipTechnologyInc.
7.
2.
2EEPROMDATADESCRIPTORTABLE7-1:INTERNALFLASHMEDIACONTROLLERCONFIGURATIONSAddressRegisterNameDescriptionInternalDefaultValue00hUSB_SER_LENUSBSerialStringDescriptorLength1Ah01hUSB_SER_TYPUSBSerialStringDescriptorType03h02h-19hUSB_SER_NUMUSBSerialNumber"000000225001"(SeeNote7-1)1Ah-1BhUSB_VIDUSBVendorIdentifier04241Ch-1DhUSB_PIDUSBProductIdentifier22501EhUSB_LANG_LENUSBLanguageStringDescriptorLength04h1FhUSB_LANG_TYPUSBLanguageStringDescriptorType03h20hUSB_LANG_ID_LSBUSBLanguageIdentifierLeastSignificantByte09h(SeeNote7-2)21hUSB_LANG_ID_MSBUSBLanguageIdentifierMostSignificantByte04h(SeeNote7-2)22hUSB_MFR_STR_LENUSBManufacturerStringDescriptorLength10h23hUSB_MFR_STR_TYPUSBManufacturerStringDescriptorType03h24h-31hUSB_MFR_STRUSBManufacturerString"Generic"(SeeNote7-1)32h-5DhReserved-00h5EhUSB_PRD_STR_LENUSBProductStringDescriptorLength24h5FhUSB_PRD_STR_TYPUSBProductStringDescriptorType03h60h-99hUSB_PRD_STRUSBProductString"FlashCardReader"(SeeNote7-1)9AhUSB_BM_ATTUSBBmAttribute80h9BhUSB_MAX_PWRUSBMaxPower30h(96mA)9ChATT_LBAttributeLobyte40h(ReverseSD_WPonly)9DhATT_HLBAttributeHiLobyte00h9EhATT_LHBAttributeLoHibyte00h9FhATT_HBAttributeHibyte00hA0hMS_PWR_LBMemoryStickDevicePowerLobyte08hA1hMS_PWR_HBMemoryStickDevicePowerHibyte00hA2hCF_PWR_LBCompactFlashDevicePowerLobyte80hA3hCF_PWR_HBCompactFlashDevicePowerHibyte00hA4hSM_PWR_LBSmartMediaDevicePowerLobyte00hA5hSM_PWR_HBSmartMediaDevicePowerHibyte08hA6hSD_PWR_LBSecureDigitalDevicePowerLobyte00h2009-2015MicrochipTechnologyInc.
DS00002005A-page23USB2250/50i/51/51iNote7-1ThisvalueisaUNICODEUTF-16LEencodedstringvaluethatmeetstheUSB2.
0specification(Revision2.
0,2000).
ValuesindoublequotationswithoutthisnoteareASCIIvalues.
Note7-2Foralistofthemostcurrent16-bitlanguageID'sdefinedbytheUSB-IF,pleasevisithttp://www.
unicode.
orgorconsultTheUnicodeStandard,WorldwideCharacterEncoding,(Version4.
0),TheUnicodeConsortium,Addison-WesleyPublishingCompany,Reading,Massachusetts.
7.
2.
3EEPROMDATADESCRIPTORREGISTERDESCRIPTIONS7.
2.
3.
100h:USBSerialStringDescriptorLength7.
2.
3.
201h:USBSerialStringDescriptorType7.
2.
3.
302h-19h:USBSerialNumberOption7.
2.
3.
41Ah-1Bh:USBVendorIDOptionA7hSD_PWR_HBSecureDigitalDevicePowerHibyte80hA8hLED_BLK_INTLEDBlinkInterval02hA9hLED_BLK_DURLEDBlinkAfterAccess28hAAh-B0hDEV0_ID_STRDevice0IdentifierString"CF"B1h-B7hDEV1_ID_STRDevice1IdentifierString"MS"B8h-BEhDEV2_ID_STRDevice2IdentifierString"SM"BFh-C5hDEV3_ID_STRDevice3IdentifierString"SD/MMC"C6h-CDhINQ_VEN_STRInquiryVendorString"Generic"CEh-D2hINQ_PRD_STRInquiryProductString2250D3hDYN_NUM_LUNDynamicNumberofLUNsFFhD4h-D7hDEV_LUN_MAPDevicetoLUNMappingFFh,FFh,FFh,FFhD8h-DAhMS_BUS_TIMINGReserved-00h,03h,07hDBh-DDhMS_BUS_TIMINGReserved-5Ch,56h,97hDEh-FBhNotApplicable-00hFCh-FFhNVSTORE_SIGNon-VolatileStorageSignature"ATA2"ByteNameDescription0USB_SER_LENUSBserialstringdescriptorlengthasdefinedbySection9.
6.
7"String"oftheUSB2.
0Specification(Revision2.
0,2000).
Thisfieldisthe"bLength"whichdescribesthesizeofthestringdescriptor(inbytes).
ByteNameDescription1USB_SER_TYPUSBserialstringdescriptortypeasdefinedbySection9.
6.
7"String"oftheUSB2.
0Specification(Revision2.
0,2000).
Thisfieldisthe"bDescriptorType"whichisaconstantvalueassociatedwithastringdescriptortype.
ByteNameDescription25:2USB_SER_NUMMaximumstringlengthis12hexdigits.
Mustbeuniquetoeachdevice.
ByteNameDescription1:0USB_VIDThisIDisuniqueforeveryvendor.
ThevendorIDisassignedbytheUSBImplementer'sForum.
TABLE7-1:INTERNALFLASHMEDIACONTROLLERCONFIGURATIONS(CONTINUED)AddressRegisterNameDescriptionInternalDefaultValueUSB2250/50i/51/51iDS00002005A-page242009-2015MicrochipTechnologyInc.
7.
2.
3.
51Ch-1Dh:USBProductIDOption7.
2.
3.
61Eh:USBLanguageIdentifierDescriptorLength7.
2.
3.
71Fh:USBLanguageIdentifierDescriptorType7.
2.
3.
820h:USBLanguageIdentifierLeastSignificantByte7.
2.
3.
921h:USBLanguageIdentifierMostSignificantByte7.
2.
3.
1022h:USBManufacturerStringDescriptorLength7.
2.
3.
1123h:USBManufacturerStringDescriptorType7.
2.
3.
1224h-31h:USBManufacturerStringOptionByteNameDescription1:0USB_PIDThisIDisuniqueforeveryproduct.
TheproductIDisassignedbythevendor.
ByteNameDescription0USB_LANG_LENUSBlanguageIDstringdescriptorlengthasdefinedbySection9.
6.
7"String"oftheUSB2.
0Specification(Revision2.
0,2000).
Thisfieldisthe"bLength"whichdescribesthesizeofthestringdescriptor(inbytes).
ByteNameDescription1USB_LANG_TYPUSBlanguageIDstringdescriptortypeasdefinedbySection9.
6.
7"String"oftheUSB2.
0Specification(Revision2.
0,2000).
Thisfieldisthe"bDescriptorType"whichisaconstantvalueassociatedwithastringdescriptortype.
ByteNameDescription2USB_LANG_ID_LSBEnglishlanguagecode='0409'.
SeeNote7-2toreferenceadditionallanguageID'sdefinedbytheUSB-IF.
ByteNameDescription3USB_LANG_ID_MSBEnglishlanguagecode='0409'.
SeeNote7-2toreferenceadditionallanguageID'sdefinedbytheUSB-IF.
ByteNameDescription0USB_MFR_STR_LENUSBmanufacturerstringdescriptorlengthasdefinedbySection9.
6.
7"String"oftheUSB2.
0Specification(Revision2.
0,2000).
Thisfieldisthe"bLength"whichdescribesthesizeofthestringdescriptor(inbytes).
ByteNameDescription1USB_MFR_STR_TYPUSBmanufacturerstringdescriptortypeasdefinedbySection9.
6.
7"String"oftheUSB2.
0Specification(Revision2.
0,2000).
Thisfieldisthe"bDescriptorType"whichisaconstantvalueassociatedwithastringdescriptortype.
ByteNameDescription15:2USB_MFR_STRMaximumstringlengthis29characters.
2009-2015MicrochipTechnologyInc.
DS00002005A-page25USB2250/50i/51/51i7.
2.
3.
1332h-5Dh:Reserved7.
2.
3.
145Eh:USBProductStringDescriptorLength7.
2.
3.
155Fh:USBProductStringDescriptorType7.
2.
3.
1660h-99h:USBProductStringOption7.
2.
3.
179Ah:USBBmAttribute(1byte)7.
2.
3.
189Bh:USBMaxPower(1byte)ByteNameDescription59:16ReservedReserved.
ByteNameDescription0USB_PRD_STR_LENUSBproductstringdescriptorlengthasdefinedbySection9.
6.
7"String"oftheUSB2.
0Specification(Revision2.
0,2000).
Thisfieldisthe"bLength"whichdescribesthesizeofthestringdescriptor(inbytes).
Maximumstringlengthis29charactersByteNameDescription1USB_PRD_STR_TYPUSBproductstringdescriptortypeasdefinedbySection9.
6.
7"String"oftheUSB2.
0Specification(Revision2.
0,2000).
Thisfieldisthe"bDescriptorType"whichisaconstantvalueassociatedwithastringdescriptortype.
ByteNameDescription59:2USB_PRD_STRThisstringwillbeusedduringtheUSBenumerationprocessintheWindowsoperatingsystem.
Maximumstringlengthis29characters.
ByteNameDescription7:0USB_BM_ATTSelf-orBus-Power:Selectsbetweenself-andbus-poweredoperation.
Thehubiseitherself-powered(drawslessthan2mA)orbus-powered(limitedto100mAmaximumpowerpriortobeingconfiguredbythehostcontroller).
Whenconfiguredasabus-powereddevice,theMicrochipdeviceconsumeslessthan100mAofcurrentpriortobeingconfigured.
Afterconfiguration,thebus-poweredMicrochipdevice(alongwithallassociateddevicecircuitry,anyembeddeddevicesifpartofacompounddevice,and100mAperexternallyavailabledownstreamport)mustconsumenomorethan500mAofcurrent.
Thecurrentconsumptionissystemdependent,andtheOEMmustensurethattheUSB2.
0Specificationisnotviolated.
Whenconfiguredasaself-powereddevice,<1mAofcurrentisconsumedandallportsareavailable,witheachportbeingcapableofsourcing500mAofcurrent.
80=Bus-poweredoperation(default)C0=Self-poweredoperationA0=Bus-poweredoperationwithremotewake-upE0=Self-poweredoperationwithremotewake-upByteNameDescription7:0USB_MAX_PWRUSBMaxPowerpertheUSB2.
0Specification.
DoNOTsetthisvaluegreaterthan100mA.
USB2250/50i/51/51iDS00002005A-page262009-2015MicrochipTechnologyInc.
7.
2.
3.
199Ch-9Fh:AttributeByteDescriptions7.
2.
4A0H-A7H:DEVICEPOWERCONFIGURATIONTheUSB2250/50i/51/51ihasfourinternalFETswhichcanbeutilizedforcardpower.
Thissectiondescribesthedefaultinternalconfiguration.
ThesettingsarestoredinNVSTOREandprovidethefollowingfeatures:1.
AcardcanbepoweredbyanexternalFETorbyaninternalFET.
2.
Thepowerlimitcanbesetto100mAor200mA(Default)fortheinternalFET.
Eachmediausestwobytestostoreitsdevicepowerconfiguration.
Bit3selectsbetweeninternalorexternalcardpowerFEToptions.
ForinternalFETcardpowercontrol,bits0through2areusedtosetthepowerlimit.
The"DevicePowerConfiguration"bitsareignoredunlessthe"EnableDevicePowerConfiguration"bitisset.
SeeSection7.
2.
3.
19,"9Ch-9Fh:AttributeByteDescriptions,"onpage26.
ByteByteNameBitDescription0ATT_LB3:0Alwaysreads'0'.
4InquireManufacturerandProductIDStrings'1'-UsetheInquiryManufacturerandProductIDStrings.
'0'(default)-UsetheUSBDescriptorManufacturerandProductIDStrings.
5Alwaysreads'0'.
6ReverseSDCardWriteProtectSense'1'(default)-SDcardswillbewriteprotectedwhenSW_nWPishigh,andwritablewhenSW_nWPislow.
'0'-SDcardswillbewriteprotectedwhenSW_nWPislow,andwritablewhenSW_nWPishigh.
7Reserved.
1ATT_HLB3:0Alwaysreads'0'.
4ActivityLEDTruePolarity'1'-ActivityLEDtoLowTrue.
'0'(default)-ActivityLEDpolaritytoHighTrue.
5CommonMediaInsert/MediaActivityLED'1'-TheactivityLEDwillfunctionasacommonmediainserted/mediaaccessLED.
'0'(default)-TheactivityLEDwillremaininitsidlestateuntilmediaisaccessed.
6Alwaysreads'0'.
7Reserved.
2ATT_LHB0AttachonCardInsert/DetachonCardRemoval'1'-AttachonInsertisenabled.
'0'(default)-AttachonInsertisdisabled.
1Alwaysreads'0'.
2EnableDevicePowerConfiguration'1'-CustomDevicePowerConfigurationstoredintheNVSTOREisused.
'0'(default)-DefaultDevicePowerConfigurationisused.
7:3Alwaysreads'0'.
3ATT_HB6:0Alwaysreads'0'.
7xDPlayerMode2009-2015MicrochipTechnologyInc.
DS00002005A-page27USB2250/50i/51/51i7.
2.
4.
1A0h-A1h:MemoryStickDevicePowerConfiguration7.
2.
4.
2A2h-A3h:CompactFlashDevicePowerConfiguration7.
2.
4.
3A4h-A5h:SmartMediaDevicePowerConfiguration7.
2.
4.
4A6h-A7h:SecureDigitalDevicePowerConfigurationFETTypeBitsBitTypeDescription0FETLoByteMS_PWR_LB3:0LowNibble0000bDisabled17:4HighNibble2FETHiByteMS_PWR_HB3:0LowNibble0000bDisabled0001bExternalFETenabled1000bInternalFETwith100mApowerlimit1010bInternalFETwith200mApowerlimit37:4HighNibble0000bDisabledFETTypeBitsBitTypeDescription0FETLoByteCF_PWR_LB3:0LowNibble0000bDisabled17:4HighNibble2FETHiByteCF_PWR_HB3:0LowNibble0000bDisabled0001bExternalFETenabled1000bInternalFETwith100mApowerlimit1010bInternalFETwith200mApowerlimit37:4HighNibble0000bDisabledFETTypeBitsBitTypeDescription0FETLoByteSM_PWR_LB3:0LowNibble0000bDisabled17:4HighNibble2FETHiByteSM_PWR_HB3:0LowNibble0000bDisabled0001bExternalFETenabled1000bInternalFETwith100mApowerlimit1010bInternalFETwith200mApowerlimit37:4HighNibble0000bDisabledFETTypeBitsBitTypeDescription0FETLoByteSD_PWR_LB3:0LowNibble0000bDisabled17:4HighNibble2FETHiByteSD_PWR_HB3:0LowNibble0000bDisabled0001bExternalFETenabled1000bInternalFETwith100mApowerlimit1010bInternalFETwith200mApowerlimit37:4HighNibble0000bDisabledUSB2250/50i/51/51iDS00002005A-page282009-2015MicrochipTechnologyInc.
7.
2.
4.
5A8h:LEDBlinkInterval7.
2.
4.
6A9h:LEDBlinkDuration7.
2.
5DEVICEIDSTRINGSThesebytesareusedtospecifytheLUNdescriptorreturnedbythedevice.
ThesebytesareusedincombinationwiththedevicetoLUNmappingbytesinapplicationswheretheOEMwishestoreorderandrenametheLUNs.
IfmultipledevicesaremappedtothesameLUN(aCOMBOLUN),thentheCLUN#_ID_STRwillbeusedtonametheCOMBOLUNinsteadoftheindividualdevicestrings.
Whenapplicable,the"SM"valuewillbeoverriddenwithxDonceanxD-PictureCardhasbeenidentified.
7.
2.
5.
1AAh-B0h:Device0IdentifierString7.
2.
5.
2B1h-B7h:Device1IdentifierString7.
2.
5.
3B8h-BEh:Device2IdentifierString7.
2.
5.
4BFh-C5h:Device3IdentifierString7.
2.
5.
5C6h-CDh:InquiryVendorStringByteNameDescription0LED_BLK_INTTheblinkrateisprogrammablein50msintervals.
Thehighbit(7)indicatesanidlestate:'0'-Off'1'-OnTheremainingbits(6:0)areusedtodeterminetheblinkintervaluptoamaxof63x50ms.
ByteNameDescription1LED_BLK_DURLEDBlinkAfterAccess.
ThisbyteisusedtodesignatethenumberofsecondsthattheLEDwillcontinuetoblinkafteradriveaccess.
Settingthisbyteto"05"willcausetheLEDtoblinkfor5secondsafteradriveaccess.
ByteNameDescription6:0DEV0_ID_STRNotapplicable.
ByteNameDescription6:0DEV1_ID_STRThisIDstringisassociatedwiththeMemoryStickdevice.
ByteNameDescription6:0DEV2_ID_STRThisIDstringisassociatedwiththeSmartMediadevice.
ByteNameDescription6:0DEV3_ID_STRThisIDstringisassociatedwiththeSecureDigital/MultiMediaCarddevice.
ByteNameDescription7:0INQ_VEN_STRIfbit4ofthe1stattributebyteisset,thedevicewillusethesestringsinresponsetoaUSBinquirycommand,insteadoftheUSBdescriptormanufacturerandproductIDstrings.
2009-2015MicrochipTechnologyInc.
DS00002005A-page29USB2250/50i/51/51i7.
2.
5.
6CEh-D2h:InquiryProductString7.
2.
5.
7D3h:DynamicNumberofLUNs7.
2.
5.
8D4h-D7h:DevicetoLUNMapping7.
2.
5.
9D8h-FBh:NotApplicable7.
2.
5.
10FCh-FFh:Non-VolatileStorageSignatureByteNameDescription4:0INQ_PRD_STRIfbit4ofthe1stattributebyteisset,thedevicewillusethesestringsinresponsetoaUSBinquirycommand,insteadoftheUSBdescriptormanufacturerandproductIDstrings.
ByteNameDescription7:0DYN_NUM_LUNThesebytesareusedtospecifythenumberofLUNsthedeviceexposestothehost.
ThesebytesarealsousedforiconsharingbyassigningmorethanoneLUNtoasingleicon.
ThisisusedinapplicationswherethedeviceutilizesacombosocketandtheOEMwishestohaveonlyasingleicondisplayedforoneormoreinterfaces.
Ifthisfieldissetto"FF",theprogramassumesthatyouareusingthedefaultvalueandiconswillbeconfiguredperthedefaultconfiguration.
ByteNameDescription3:0DEV_LUN_MAPTheseregistersmapadevicecontroller(SD/MMC,SM,andMS)toaLogicalUnitNumber(LUN).
ThedevicereportsthemappedLUNstotheUSBhostintheUSBdescriptorduringenumeration.
TheiconinstallerassociatescustomiconswiththeLUNsspecifiedinthesefields.
Settingaregisterto"FF"indicatesthatthedeviceisnotmapped.
SettingalloftheDEV_LUN_MAPregistersforalldevicesto"FF"forcestheuseofthedefaultmappingconfiguration.
Notallconfigurationsarevalid.
Validconfigurationsdependonthehardware,packaging,andOEMboardlayout.
ThenumberofuniqueLUNsmappedmustmatchthevalueintheSection7.
2.
5.
7,"D3h:DynamicNumberofLUNs,"onpage29.
ByteNameDescription35:0NotApplicableNotApplicable.
ByteNameDescription3:0NVSTORE_SIGThissignatureisusedtoverifythevalidityofthedatainthefirst256bytesoftheconfigurationarea.
Thesignaturemustbesetto'ATA2'forUSB2250/50i/51/51i.
USB2250/50i/51/51iDS00002005A-page302009-2015MicrochipTechnologyInc.
7.
3DefaultConfigurationOptionTheMicrochipdevicecanbeconfiguredviaitsinternaldefaultconfiguration.
PleaseseeSection7.
2.
2,"EEPROMDataDescriptor"forspecificdetailsonhowtoenabledefaultconfiguration.
PleaserefertoTable7-1fortheinternaldefaultvaluesthatareloadedwhenthisoptionisselected.
7.
3.
1EXTERNALHARDWARENRESETAvalidhardwareresetisdefinedasassertionofnRESETforaminimumof1safterallpowersuppliesarewithinoper-atingrange.
Whileresetisasserted,thedevice(anditsassociatedexternalcircuitry)consumeslessthan500Aofcurrent.
AssertionofnRESET(externalpin)causesthefollowing:1.
ThePHYisdisabledandthedifferentialpairwillbeinahigh-impedancestate.
2.
Alltransactionsimmediatelyterminate;nostatesaresaved.
3.
Allinternalregistersreturntothedefaultstate.
4.
Theexternalcrystaloscillatorishalted.
5.
ThePLLishalted.
6.
Theprocessorisreset.
7.
Allmediainterfacesarereset.
7.
3.
1.
1nRESETforEEPROMConfigurationFIGURE7-1:NRESETTIMINGFOREEPROMMODETABLE7-2:NRESETTIMINGFOREEPROMMODENameDescriptionMINTYPMAXUnitst1nRESETasserted1sect2Devicerecovery/stabilization500sect38051programsdeviceconfiguration2050msect4USBattach100msect5HostacknowledgesattachandsignalsUSBreset100msect6USBidleUndefinedmsect7Readytohandlerequests(withorwithoutdata)5msecNote:AllpowersuppliesmusthavereachedtheoperatinglevelsmandatedinSection9.
0,"DCParameters",priorto(orcoincidentwith)theassertionofnRESET.
t1t2t4t5t6t7nRESETVSSHardwareresetassertedDeviceRecovery/Stabilization8051SetsConfigurationRegistersAttachUSBUpstreamUSBResetrecoveryIdleStartcompletionrequestresponset32009-2015MicrochipTechnologyInc.
DS00002005A-page31USB2250/50i/51/51i7.
3.
2USBBUSRESETInresponsetotheupstreamportsignalingaresettothedevice,thedevicedoesthefollowing:1.
Setsdefaultaddressto'0'.
2.
Setsconfigurationto:Unconfigured.
3.
Alltransactionsarestopped.
4.
Processorreinitializesandrestarts.
5.
Allmediainterfacesaredisabled.
2009-2015MicrochipTechnologyInc.
DS00002005A-page32USB2250/50i/51/51i8.
0ACSPECIFICATIONS8.
1Oscillator/CrystalParallelResonant,FundamentalMode,24MHz350ppm.
Note8-1C0isusuallyincluded(subtractedbythecrystalmanufacturer)inthespecificationforCLandshouldbesetto'0'foruseinthecalculationofthecapacitanceformulasinFigure8-2,"CapacitanceFormulas".
However,theOEMPCBitselfmaypresentaparasiticcapacitancebetweenXTAL1andXTAL2.
ForanaccuratecalculationofC1andC2,taketheparasiticcapacitancebetweentracesXTAL1andXTAL2intoaccount.
Note8-2Eachofthesecapacitancevaluesistypicallyapproximately18pF.
FIGURE8-1:TYPICALCRYSTALCIRCUITTABLE8-1:CRYSTALCIRCUITLEGENDSymbolDescriptionInAccordanceWithC0CrystalshuntcapacitanceCrystalmanufacturer'sspecification(SeeNote8-1)CLCrystalloadcapacitanceCBTotalboardortracecapacitanceOEMboarddesignCSStraycapacitanceMicrochipICandOEMboarddesignCXTALXTALpininputcapacitanceMicrochipICC1LoadcapacitorsinstalledonOEMboardCalculatedvaluesbasedonFigure8-2,"CapacitanceFormulas"(SeeNote8-2)C2FIGURE8-2:CAPACITANCEFORMULASXTAL1(CS1=CB1+CXTAL1)XTAL2(CS2=CB2+CXTAL2)C1C2CL1MCrystalC0C1=2x(CL–C0)–CS1C2=2x(CL–C0)–CS2USB2250/50i/51/51iDS00002005A-page332009-2015MicrochipTechnologyInc.
8.
2CeramicResonator24MHz350ppm8.
3ExternalClock50%Dutycycle10%,24/48MHz350ppm,Jitter<100psrms.
TheexternalclockisrecommendedtoconformtothesignalingleveldesignatedintheJESD76-2specificationon1.
8VCMOSLogic.
XTAL2shouldbetreatedasanoconnect.
FIGURE8-3:CERAMICRESONATORUSAGEWITHMICROCHIPICXTAL1XTAL21M24MHzCeramicResonator2009-2015MicrochipTechnologyInc.
DS00002005A-page34USB2250/50i/51/51i9.
0DCPARAMETERS9.
1MaximumRatingsNote9-1Stressesabovethespecifiedparametersmaycausepermanentdamagetothedevice.
Thisisastressratingonlyandfunctionaloperationofthedeviceatanyconditionabovethoseindicatedintheoperationsectionsofthisspecificationisnotimplied.
Note9-2Whenpoweringthisdevicefromlaboratoryorsystempowersupplies,itisimportantthattheabsolutemaximumratingsnotbeexceededordevicefailurecanresult.
SomepowersuppliesexhibitvoltagespikesontheiroutputswhentheACpowerisswitchedonoroff.
Inaddition,voltagetransientsontheACpowerlinemayappearontheDCoutput.
Whenthispossibilityexists,itissuggestedthataclampcircuitbeused.
ParameterSymbolMINMAXUnitsCommentsStorageTemperatureTA-55150°CLeadTemperature°CPleaserefertoJEDECspecificationJ-STD-020D.
3.
3VsupplyvoltageVDD33-0.
54.
0VVoltageonUSB+andUSB-pins-0.
5(3.
3Vsupplyvoltage+2)6VVoltageonCRD_PWR0,CRD_PWR1,CRD_PWR2andCRD_PWR3-0.
5VDD33+0.
3VWheninternalpowerFEToperationofthesepinsareenabled,thesepinsmaybesimultaneouslyshortedtogroundoranyvoltageupto3.
63Vindefinitely,withoutdamagetothedeviceaslongasVDD33islessthan3.
63VandTAislessthan70oC.
Voltageonanysignalpin-0.
5VDD33+0.
3VVoltageonXTAL1-0.
53.
6VVoltageonXTAL2-0.
5VDD18+0.
3VFIGURE9-1:SUPPLYRISETIMEMODELt10%10%90%VoltagetRTt90%Time100%3.
3VVSSVDD33USB2250/50i/51/51iDS00002005A-page352009-2015MicrochipTechnologyInc.
Note9-3Whenpoweringthedevice,themaximumpowersupplyramptimeshouldbesetataratefasterthan400s.
Thisspeedisimportanttoensurethatthedeviceresetsproperly.
Measurerisetimeat10%and90%.
9.
2OperatingConditionsNote9-4A3.
3Vregulatorwithanoutputtoleranceof1%mustbeusediftheoutputoftheinternalpowerFET'smustsupporta5%tolerance.
9.
3DCElectricalCharacteristicsParameterSymbolMINMAXUnitsCommentsOperatingTemperatureCommercialPartIndustrialPartTATA0-407085°C°CAmbienttemperatureinstillair.
3.
3VsupplyvoltageVDD333.
03.
6V(Note9-4)3.
3VsupplyrisetimetRT0400s(SeeFigure9-1andNote9-3)VoltageonUSB+andUSB-pins-0.
35.
5VIfany3.
3Vsupplyvoltagedropsbelow3.
0V,thentheMAXbecomes:(3.
3Vsupplyvoltage)+0.
55.
5Voltageonanysignalpin-0.
3VDD33VVoltageonXTAL1-0.
3VDD33VVoltageonXTAL2-0.
3VDD18VParameterSymbolMINTYPMAXUnitsCommentsI,IPU,IPDTypeInputBufferLowInputLevelHighInputLevelPullDownPullUpVILIVIHIPDPU2.
072580.
8VVAATTLLevelsISTypeInputBufferLowInputLevelHighInputLevelHysteresisVILIVIHIVHYSI2.
04200.
8VVmVTTLLevelsICLKInputBufferLowInputLevelHighInputLevelInputLeakageVILCKVIHCKIIL1.
4-100.
5+10VVAVIN=0toVDD332009-2015MicrochipTechnologyInc.
DS00002005A-page36USB2250/50i/51/51iInputLeakage(AllIandISbuffers)LowInputLeakageHighInputLeakageIILIIH-10-10+10+10AAVIN=0VIN=VDD33O12TypeBufferLowOutputLevelHighOutputLevelOutputLeakageVOLVOHIOLVDD33-0.
4-100.
4+10VVAIOL=12mA@VDD33=3.
3VIOH=-12mA@VDD33=3.
3VVIN=0toVDD33(Note9-5)I/O12,I/O12PU&I/O12PDTypeBufferLowOutputLevelHighOutputLevelOutputLeakagePullDownPullUpVOLVOHIOLPDPUVDD33-0.
4-1072580.
4+10VVAAAIOL=12mA@VDD33=3.
3VIOH=-12mA@VDD33=3.
3VVIN=0toVDD33(Note9-5)IO-U(Note9-6)I-R(Note9-7)I/O200IntegratedPowerFETforCRD_PWR0,CRD_PWR1,CRD_PWR2andCRD_PWR3HighOutputCurrentModeLowOutputCurrentMode(Note9-8)OnResistance(Note9-8)OutputVoltageRiseTimeIOUTIOUTRDSONtDSON2001002.
1800mAmAsVdropFET=0.
46VVdropFET=0.
23VIFET=70mACLOAD=10FSupplyCurrentUnconfiguredICCINIT8090mAParameterSymbolMINTYPMAXUnitsCommentsUSB2250/50i/51/51iDS00002005A-page372009-2015MicrochipTechnologyInc.
Note9-5Outputleakageismeasuredwiththecurrentpinsinhighimpedance.
Note9-6SeeTheUSB2.
0Specification,Chapter7,forUSBDCelectricalcharacteristicsNote9-7RBIASisa3.
3Vtolerantanalogpin.
Note9-8Outputcurrentrangeiscontrolledbyprogramsoftware,softwaredisablesFETduringshortcircuitcondition.
9.
4CapacitanceTA=25°C;fc=1MHz;VDD,VDDP=1.
8V9.
5PackageThermalSpecificationNote9-9Thermalparametersaremeasuredorestimatedfordeviceswiththeexposedpadsolderedtothermalviasinamultilayer2S2PPCBperJESD51.
Thermalresistanceismeasuredfromthedietotheambientair.
SupplyCurrentActiveFullSpeedHighSpeedICCICC110135140165mAmAVDD33=3.
3VSupplyCurrentSuspendICSBY350750AVDD33,V=3.
3VIndustrialTemperatureSuspendICSBYI350950AParameterSymbolLimitsUnitTestConditionMINTYPMAXClockInputCapacitanceCXTAL2pFAllpins(exceptUSBpinsandpinsundertest)aretiedtoACground.
InputCapacitanceCIN10pFOutputCapacitanceCOUT20pFTABLE9-1:128-PINVTQFPPACKAGETHERMALPARAMETERSParameterVelocity(meters/sec)SymbolValueUnitThermalResistance0JA55°C/W148245Junction-to-Top-of-Package0JT18°C/W118218ParameterSymbolMINTYPMAXUnitsComments2009-2015MicrochipTechnologyInc.
DS00002005A-page38USB2250/50i/51/51i10.
0PACKAGEOUTLINEFIGURE10-1:128-PINVTQFP,14X14X1.
0MMBODY,2.
0MMPITCHNote:Forthemostcurrentpackagedrawings,seetheMicrochipPackagingSpecificationathttp://www.
microchip.
com/packaging2009-2015MicrochipTechnologyInc.
DS00002005A-page39USB2250/50i/51/51iAPPENDIXA:DATASHEETREVISIONHISTORYTABLEA-1:REVISIONHISTORYREVISIONLEVEL&DATESECTION/FIGURE/ENTRYCORRECTIONDS00002005A(10-22-15)ReplacespreviousSMSCversionRev.
2.
0(09-29-09)2009-2015MicrochipTechnologyInc.
DS00002005A-page40USB2250/50i/51/51iPRODUCTIDENTIFICATIONSYSTEMToorderorobtaininformation,e.
g.
,onpricingordelivery,refertothefactoryorthelistedsalesoffice.
Device:USB2250,USB2250i,USB2251,USB2251iTemperatureRange:Blank=0Cto+70C(Commercial)i=-40Cto+85C(Industrial)Package:NU=128-pinVTQFNPARTNO.
[X]XXXPackageTemperatureRangeDevice[X]InternalMicrochipCode--Examples:1.
USB2250-NU-06128-pinVTQFNRoHSCompliantpack-age,CommercialTemp,Tray2.
USB2250-NU-05128-pinVTQFNRoHSCompliantpack-age,CommercialTemp,Tray3.
USB2251-NU-06128-pinVTQFNRoHSCompliantpack-age,CommercialTemp,Tray4.
USB2251-NU-05128-pinVTQFNRoHSCompliantpack-age,CommercialTemp,Tray5.
USB2250i-NU-06128-pinVTQFNRoHSCompliantpack-age,IndustrialTemp,Tray2009-2015MicrochipTechnologyInc.
DS00002005A-page41USB2250/50i/51/51iTHEMICROCHIPWEBSITEMicrochipprovidesonlinesupportviaourWWWsiteatwww.
microchip.
com.
Thiswebsiteisusedasameanstomakefilesandinformationeasilyavailabletocustomers.
AccessiblebyusingyourfavoriteInternetbrowser,thewebsitecon-tainsthefollowinginformation:ProductSupport–Datasheetsanderrata,applicationnotesandsampleprograms,designresources,user'sguidesandhardwaresupportdocuments,latestsoftwarereleasesandarchivedsoftwareGeneralTechnicalSupport–FrequentlyAskedQuestions(FAQ),technicalsupportrequests,onlinediscussiongroups,MicrochipconsultantprogrammemberlistingBusinessofMicrochip–Productselectorandorderingguides,latestMicrochippressreleases,listingofsemi-narsandevents,listingsofMicrochipsalesoffices,distributorsandfactoryrepresentativesCUSTOMERCHANGENOTIFICATIONSERVICEMicrochip'scustomernotificationservicehelpskeepcustomerscurrentonMicrochipproducts.
Subscriberswillreceivee-mailnotificationwhenevertherearechanges,updates,revisionsorerratarelatedtoaspecifiedproductfamilyordevelopmenttoolofinterest.
Toregister,accesstheMicrochipwebsiteatwww.
microchip.
com.
Under"Support",clickon"CustomerChangeNotifi-cation"andfollowtheregistrationinstructions.
CUSTOMERSUPPORTUsersofMicrochipproductscanreceiveassistancethroughseveralchannels:DistributororRepresentativeLocalSalesOfficeFieldApplicationEngineer(FAE)TechnicalSupportCustomersshouldcontacttheirdistributor,representativeorfieldapplicationengineer(FAE)forsupport.
Localsalesofficesarealsoavailabletohelpcustomers.
Alistingofsalesofficesandlocationsisincludedinthebackofthisdocu-ment.
Technicalsupportisavailablethroughthewebsiteat:http://www.
microchip.
com/support2009-2015MicrochipTechnologyInc.
DS00002005A-page42USB2250/50i/51/51iInformationcontainedinthispublicationregardingdeviceapplicationsandthelikeisprovidedonlyforyourconvenienceandmaybesuper-sededbyupdates.
Itisyourresponsibilitytoensurethatyourapplicationmeetswithyourspecifications.
MICROCHIPMAKESNOREP-RESENTATIONSORWARRANTIESOFANYKINDWHETHEREXPRESSORIMPLIED,WRITTENORORAL,STATUTORYOROTHERWISE,RELATEDTOTHEINFORMATION,INCLUDINGBUTNOTLIMITEDTOITSCONDITION,QUALITY,PERFORMANCE,MERCHANTABILITYORFITNESSFORPURPOSE.
Microchipdisclaimsallliabilityarisingfromthisinformationanditsuse.
UseofMicro-chipdevicesinlifesupportand/orsafetyapplicationsisentirelyatthebuyer'srisk,andthebuyeragreestodefend,indemnifyandholdharmlessMicrochipfromanyandalldamages,claims,suits,orexpensesresultingfromsuchuse.
Nolicensesareconveyed,implicitlyorotherwise,underanyMicrochipintellectualpropertyrightsunlessotherwisestated.
TrademarksTheMicrochipnameandlogo,theMicrochiplogo,dsPIC,FlashFlex,flexPWR,JukeBlox,KEELOQ,KEELOQlogo,Kleer,LANCheck,MediaLB,MOST,MOSTlogo,MPLAB,OptoLyzer,PIC,PICSTART,PIC32logo,RightTouch,SpyNIC,SST,SSTLogo,SuperFlashandUNI/OareregisteredtrademarksofMicrochipTechnologyIncorporatedintheU.
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TheEmbeddedControlSolutionsCompanyandmTouchareregisteredtrademarksofMicrochipTechnologyIncorporatedintheU.
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Analog-for-the-DigitalAge,BodyCom,chipKIT,chipKITlogo,CodeGuard,dsPICDEM,dsPICDEM.
net,ECAN,In-CircuitSerialProgramming,ICSP,Inter-ChipConnectivity,KleerNet,KleerNetlogo,MiWi,motorBench,MPASM,MPF,MPLABCertifiedlogo,MPLIB,MPLINK,MultiTRAK,NetDetach,OmniscientCodeGeneration,PICDEM,PICDEM.
net,PICkit,PICtail,RightTouchlogo,REALICE,SQI,SerialQuadI/O,TotalEndurance,TSHARC,USBCheck,VariSense,ViewSpan,WiperLock,WirelessDNA,andZENAaretrademarksofMicrochipTechnologyIncorporatedintheU.
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SQTPisaservicemarkofMicrochipTechnologyIncorporatedintheU.
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SiliconStorageTechnologyisaregisteredtrademarkofMicrochipTechnologyInc.
inothercountries.
GestICisaregisteredtrademarkofMicrochipTechnologyGermanyIIGmbH&Co.
KG,asubsidiaryofMicrochipTechnologyInc.
,inothercountries.
Allothertrademarksmentionedhereinarepropertyoftheirrespectivecompanies.
2009-2015,MicrochipTechnologyIncorporated,PrintedintheU.
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,AllRightsReserved.
ISBN:9781632777751NotethefollowingdetailsofthecodeprotectionfeatureonMicrochipdevices:MicrochipproductsmeetthespecificationcontainedintheirparticularMicrochipDataSheet.
Microchipbelievesthatitsfamilyofproductsisoneofthemostsecurefamiliesofitskindonthemarkettoday,whenusedintheintendedmannerandundernormalconditions.
Therearedishonestandpossiblyillegalmethodsusedtobreachthecodeprotectionfeature.
Allofthesemethods,toourknowledge,requireusingtheMicrochipproductsinamanneroutsidetheoperatingspecificationscontainedinMicrochip'sDataSheets.
Mostlikely,thepersondoingsoisengagedintheftofintellectualproperty.
Microchipiswillingtoworkwiththecustomerwhoisconcernedabouttheintegrityoftheircode.
NeitherMicrochipnoranyothersemiconductormanufacturercanguaranteethesecurityoftheircode.
Codeprotectiondoesnotmeanthatweareguaranteeingtheproductas"unbreakable.
"Codeprotectionisconstantlyevolving.
WeatMicrochiparecommittedtocontinuouslyimprovingthecodeprotectionfeaturesofourproducts.
AttemptstobreakMicrochip'scodeprotectionfeaturemaybeaviolationoftheDigitalMillenniumCopyrightAct.
Ifsuchactsallowunauthorizedaccesstoyoursoftwareorothercopyrightedwork,youmayhavearighttosueforreliefunderthatAct.
MicrochipreceivedISO/TS-16949:2009certificationforitsworldwideheadquarters,designandwaferfabricationfacilitiesinChandlerandTempe,Arizona;Gresham,OregonanddesigncentersinCaliforniaandIndia.
TheCompany'squalitysystemprocessesandproceduresareforitsPICMCUsanddsPICDSCs,KEELOQcodehoppingdevices,SerialEEPROMs,microperipherals,nonvolatilememoryandanalogproducts.
Inaddition,Microchip'squalitysystemforthedesignandmanufactureofdevelopmentsystemsisISO9001:2000certified.
QUALITYMANAGEMENTSYSTEMCERTIFIEDBYDNV==ISO/TS16949==2009-2015MicrochipTechnologyInc.
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