Statereadyboost

2010-2015MicrochipTechnologyInc.
DS00001979A-page1HighlightsTheMicrochipUSB224xisaUSB2.
0compliant,Hi-Speedbulkonly1massstorageclassperipheralcon-trollerintendedforreadingandwritingtopopularflashmediafromthexD-PictureCardTM(xD)2,MemoryStick(MS),SecureDigital(SD),andMultiMedia-CardTM(MMC)families.
TheUSB224xisafullyintegrated,singlechipsolutioncapableofultrahighperformanceoperation.
Averagesustainedtransferratesexceeding35MB/sarepossi-bleifthemediaandhostcansupportthoserates.
TheUSB2244/44iincludesprovisionstoread/writesecuremediaformats.
GeneralFeaturesLowpincount36-pinQFN(6x6mm)RoHScom-pliantpackageUSB2240/40I/41/41I-Targetedforapplicationsinwhichsingleor"combo"mediasocketsareusedHardware-controlleddataflowarchitectureforallself-mappedmediaPipelinedhardwaresupportforaccesstonon-self-mappedmediaOrdernumberwith"I"denotetheproductsthatsupporttheindustrialtemperaturerangeof-40Cto85CSupportincludedforsecuremediaformatonalicensed,customizedbasis-USB2244/44I:SDSecureHardwareFeaturesSinglechipflashmediacontrollerwith-USB2240/40I/41/4I:multiplexedinterfaceforusewith"combo"cardsockets-USB2244/44I:SD/MMCflashmediareader/writerMMCStreamingModesupportExtendedconfigurationoptions-xDplayermodeoperation-Socketswitchpolarities,etc.
MediaActivityLEDOnboard24MHzcrystaldrivercircuitOptionalexternal24MHzclockinput3InternalcardpowerFET-200mA-"Fold-back"shortcircuitprotection80518-bitmicroprocessor-60MHz-singlecycleexecution-64KBROM|14KBRAMSupportsasingleexternal3.
3Vsupplysource;internalregulatorsprovide1.
8Vinternalcorevolt-ageforadditionalbillofmaterialsandpowersav-ingsOptimizedpinoutimprovessignalroutingwhicheasesimplementationforimprovedsignalinteg-rityFlashMediaSpecificationComplianceSecureDigital2.
0-HS-SD,SDHC-TransFlashTMandreducedformfactormediaMultiMediaCard4.
2-1/4/8-bitMMCMemoryStickFormats-MS1.
43,Pro1.
02,Duo1.
10-Pro-HGDuo1.
01–MS,MSDuo,HS-MS,MSPro-HG,MSProxD-PictureCard1.
2SoftwareFeaturesCustomizablevendorspecificdataOptimizedforlowlatencyinterrupthandlingReducedmemoryfootprintApplicationsFlashmediacardreader/writersDesktopandmobilePCsPrintersConsumerA/Vandmediaplayers/viewersCompatiblewith–MicrosoftVistaTMandVistaReadyBoostTM–WindowsXP,ME,2KSP4–AppleMacOSx–LinuxMassStorageClassDrivers1.
BulkonlyisnotapplicabletoUSB2240/40i/41/41i.
2.
xD-PictureCardisnotapplicabletoUSB2241/41i.
3.
OnlyapplicabletoUSB2240/40i/41/41i.
USB224XUltraFastUSB2.
0Multi-Format,SD/MMC,andMSFlashMediaControllersUSB224XDS00001979A-page22010-2015MicrochipTechnologyInc.
TOOURVALUEDCUSTOMERSItisourintentiontoprovideourvaluedcustomerswiththebestdocumentationpossibletoensuresuccessfuluseofyourMicrochipproducts.
Tothisend,wewillcontinuetoimproveourpublicationstobettersuityourneeds.
Ourpublicationswillberefinedandenhancedasnewvolumesandupdatesareintroduced.
Ifyouhaveanyquestionsorcommentsregardingthispublication,pleasecontacttheMarketingCommunicationsDepartmentviaE-mailatdocerrors@microchip.
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Wewelcomeyourfeedback.
MostCurrentDataSheetToobtainthemostup-to-dateversionofthisdatasheet,pleaseregisteratourWorldwideWebsiteat:http://www.
microchip.
comYoucandeterminetheversionofadatasheetbyexaminingitsliteraturenumberfoundonthebottomoutsidecornerofanypage.
Thelastcharacteroftheliteraturenumberistheversionnumber,(e.
g.
,DS30000000AisversionAofdocumentDS30000000).
ErrataAnerratasheet,describingminoroperationaldifferencesfromthedatasheetandrecommendedworkarounds,mayexistforcur-rentdevices.
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Theerratawillspecifytherevisionofsiliconandrevisionofdocumenttowhichitapplies.
Todetermineifanerratasheetexistsforaparticulardevice,pleasecheckwithoneofthefollowing:Microchip'sWorldwideWebsite;http://www.
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2010-2015MicrochipTechnologyInc.
DS00001979A-page3USB224X1.
0INTRODUCTIONTheMicrochipUSB224xisaflashmediacardreadersolutionfullycompliantwiththeUSB2.
0specification.
AllrequiredresistorsontheUSBportsareintegratedintothedevice.
ThisincludesallseriesterminationresistorsonD+andD–pinsandallrequiredpull-downandpull-upresistors.
Theover-currentsenseinputsforthedownstreamfacingportshaveinternalpull-upresistors.
1.
1HardwareFeaturesSinglechipflashmediacontrollerinlowpincount36-pinQFN,RoHScompliantpackageCommercialtemperatureproductssupport0°Cto+70°C:USB2240/41andUSB2244Industrialtemperatureproductssupport-40°Cto+85°C:USB2240I/41IandUSB2244I80518-bitmicroprocessor-60MHz-singlecycleexecution-64KBROM|14KBRAMSupportsasingleexternal3.
3Vsupplysource;internalregulatorsprovide1.
8Vinternalcorevoltageforaddi-tionalbillofmaterialsandpowersavingsCompliancewiththefollowingflashmediacardspecifications:SecureDigital2.
0-HS-SDandSDHC-TransFlashandreducedformfactormediaMultiMediaCard4.
2-1/4/8bitMMCMemoryStick1.
43MemoryStickProFormat1.
02MemoryStickPro-HGDuoFormat1.
01-MemoryStick,MSDuo,HS-MS,MSPro-HG,MSProMemoryStickDuo1.
10xD-PictureCard1.
21.
2SoftwareFeaturesIftheOEMisusinganexternalEEPROM,thefollowingfeaturesareavailable:-Customizablevendor,product,language,anddeviceID's-12-hexdigitsmaximumfortheserialnumberstring-28-charactermanufacturerIDandproductstringsfortheflashmediareader/writer-LEDblinkintervalordurationUSB224XDS00001979A-page42010-2015MicrochipTechnologyInc.
2.
0ACRONYMSATA:AdvancedTechnologyAttachmentFET:FieldEffectTransistorLUN:LogicalUnitNumberMMC:MultiMediaCardMSC:MemoryStickController1PLL:Phase-LockedLoopQFN:QuadFlatNoleadsRoHS:RestrictionofHazardousSubstancesDirectiveRXD:ReceivedeXchangeDataSDC:SecureDigitalControllerSIE:SerialInterfaceEngineTXD:TransmiteXchangeDataUART:UniversalAsynchronousReceiver-TransmitterUCHAR:UnsignedCharacterUINT:UnsignedInteger1.
NotapplicabletoUSB2244/44i.
2010-2015MicrochipTechnologyInc.
DS00001979A-page5USB224X3.
0BLOCKDIAGRAMSFIGURE3-1:USB2240/40I/41/41IBLOCKDIAGRAMFMDUCTL8051PROCESSORSFRRAMMSRAMUSBHostAUTO_CBWPROCPHYFMIXDATABRIDGE+BUSARBITERBUSINTFCBUSINTFCBUSINTFCEP0TXEP0RXEP2TXEP2RXEP1RXEP1TXROM64KBRAM10KBADDRMAPPWR_FET1ClockGenerationandControlSD/MMC4Ktotal3.
3V1.
8VRegVDD183.
3VVDD18PLLPLL24MHzCrystalSIECTL1.
8VRegUSB2240/40IUSB2241/41I*xD*MultiplexedInterfaceNOTE:xD-PictureCardisnotapplicabletoUSB2241/41i.
CRD_PWRSPIInterfaceSPIInterfaceTraceFIFOProgramMemoryI/OBusUSB224XDS00001979A-page62010-2015MicrochipTechnologyInc.
FIGURE3-2:USB2244/44IBLOCKDIAGRAMFMDUCTL8051PROCESSORSFRRAMSD/MMCRAMUSBHostAUTO_CBWPROCPHYFMIXDATABRIDGE+BUSARBITERBUSINTFCBUSINTFCBUSINTFCEP0TXEP0RXEP2TXEP2RXEP1RXEP1TXROM64KBRAM10KBADDRMAPPWR_FET1CRD_PWRClockGenerationandControl4Ktotal3.
3V1.
8VRegVDD183.
3VVDD18PLLPLL24MHzCrystalSIECTL1.
8VRegUSB2244/USB2244IMediaInterfaceSPIInterfaceSPIInterfaceTraceFIFOProgramMemoryI/OBus2010-2015MicrochipTechnologyInc.
DS00001979A-page7USB224X4.
0PINCONFIGURATIONSFIGURE4-1:USB2240/USB2240I36-PINQFNDIAGRAMGroundPad(mustbeconnectedtoVSS)USB2240/2240I(TopViewQFN-36)Indicatespinsonthebottomofthedevice.
26xD_D6/SD_D3/MS_D325SD_nCD24xD_D5/SD_D223MS_INS22VDD3321CRD_PWR2019RXD/SDA27181716151413121110282931323336353430123456789TESTNCxD_D4/(SD_WP)/MS_SCLKTXD/SCK/MS_SKT_SELXTAL2XTAL1(CLKIN)VDD18PLLRBIASVDDA33LEDUSB+USB-xD_D3/SD_D1/MS_D5xD_D2/SD_D0/MS_D4VDD33xD_D0/SD_D6/MS_D7xD_nWP/SD_CLK/MS_BSxD_ALE/SD_D5/MS_D1VDD18xD_nWExD_CLE/SD_CMD/MS_D0xD_nCExD_nRExD_nB/RRESET_N(xD_nCD)xD_D7/SD_D4/MS_D2xD_D1/SD_D7/MS_D6VDD33USB224XDS00001979A-page82010-2015MicrochipTechnologyInc.
FIGURE4-2:USB2241/USB2241I36-PINQFNDIAGRAMGroundPad(mustbeconnectedtoVSS)USB2241/2241I(TopViewQFN-36)Indicatespinsonthebottomofthedevice.
26SD_D3/MS_D325SD_nCD24SD_D223MS_INS22VDD3321CRD_PWR2019RXD/SDA27181716151413121110282931323336353430123456789TESTNCSD_WP/MS_SCLKTXD/SCK/MS_SKT_SELXTAL2XTAL1(CLKIN)VDD18PLLRBIASVDDA33LEDUSB+USB-SD_D1/MS_D5SD_D0/MS_D4VDD33SD_D6/MS_D7SD_CLK/MS_BSSD_D5/MS_D1VDD18NCSD_CMD/MS_D0NCNCNCRESET_NNCSD_D4/MS_D2SD_D7/MS_D6VDD332010-2015MicrochipTechnologyInc.
DS00001979A-page9USB224XFIGURE4-3:USB2244/USB2244I36-PINQFNDIAGRAMGroundPad(mustbeconnectedtoVSS)USB2244/2244I(TopViewQFN-36)Indicatespinsonthebottomofthedevice.
26SD_D325SD_nCD24SD_D223NC22VDD3321CRD_PWR2019RXD/SDA27181716151413121110282931323336353430123456789TESTNCSD_WPTXD/SCKXTAL2XTAL1(CLKIN)VDD18PLLRBIASVDDA33LEDUSB+USB-SD_D1SD_D0VDD33SD_D6SD_CLKSD_D5VDD18NCSD_CMDNCNCNCRESET_NNCSD_D4SD_D7VDD33USB224XDS00001979A-page102010-2015MicrochipTechnologyInc.
5.
0PINTABLESTABLE5-1:USB2240/2240I36-PINQFNPACKAGExD/SD/MSINTERFACE(18PINS)xD_D3/SD_D1/MS_D5xD_D2/SD_D0/MS_D4xD_D1/SD_D7/MS_D6xD_D0/SD_D6/MS_D7xD_nWP/SD_CLK/MS_BSxD_ALE/SD_D5/MS_D1xD_CLE/SD_CMD/MS_D0xD_D7/SD_D4/MS_D2xD_D6/SD_D3/MS_D3xD_D5/SD_D2xD_nRExD_nWExD_D4/SD_WP/MS_SCLKxD_nB/RxD_nCEMS_INSxD_nCDSD_nCDUSBINTERFACE(5PINS)USB+USB-XTAL1(CLKIN)XTAL2RBIASMISC(7Pins)LEDRXD/SDANCTXD/SCK/MS_SKT_SELCRD_PWRTESTRESET_NDIGITAL,POWER(6PINS)(3)VDD33VDDA33VDD18VDD18PLLTOTAL362010-2015MicrochipTechnologyInc.
DS00001979A-page11USB224XTABLE5-2:USB2241/2241I36-PINQFNPACKAGESD/MSINTERFACE(14PINS)SD_D1/MS_D5SD_D0/MS_D4SD_D7/MS_D6SD_D6/MS_D7SD_CLK/MS_BSSD_D5/MS_D1SD_CMD/MS_D0SD_D4/MS_D2SD_D3/MS_D3SD_D2SD_WP/MS_SCLKMS_INSNCSD_nCDUSBINTERFACE(5PINS)USB+USB-XTAL1(CLKIN)XTAL2RBIASMISC(11Pins)LEDRXD/SDANCTXD/SCK/MS_SKT_SELCRD_PWRTESTRESET_N(4)NCDIGITAL,POWER(6PINS)(3)VDD33VDDA33VDD18VDD18PLLTOTAL36USB224XDS00001979A-page122010-2015MicrochipTechnologyInc.
TABLE5-3:USB2244/2244I36-PINQFNPACKAGESD/MMCINTERFACE(12Pins)SD_D0SD_D1SD_D2SD_D3SD_D4SD_D5SD_D6SD_D7SD_CLKSD_CMDSD_WPSD_nCDUSBINTERFACE(5PINS)USB+USB-XTAL1(CLKIN)XTAL2RBIASMISC(13PINS)LEDRXD/SDANCTXD/SCKCRD_PWRNCNC(4)NCTESTRESET_NDIGITAL,POWER(6PINS)(3)VDD33VDDA33VDD18VDD18PLLTOTAL362010-2015MicrochipTechnologyInc.
DS00001979A-page13USB224X6.
0PINDESCRIPTIONSThissectionprovidesadetaileddescriptionofeachsignal.
Thesignalsarearrangedinfunctionalgroupsaccordingtotheirassociatedinterface.
Thepindescriptionsareappliedwhenusingtheinternaldefaultfirmwareandcanberefer-encedinSection7.
0,"PinConfigurations,"onpage18.
PleasereferenceSection2.
0,"Acronyms,"onpage4foralistoftheacronymsused.
The"n"symbolinthesignalnameindicatesthattheactive,orasserted,stateoccurswhenthesignalisatalowvoltagelevel.
When"n"isnotpresentinthesignalname,thesignalisassertedatthehighvoltagelevel.
Thetermsassertionandnegationareusedexclusively.
Thisisdonetoavoidconfusionwhenworkingwithamixtureof"activelow"and"activehigh"signals.
Thetermassert,orassertion,indicatesthatasignalisactive,independentofwhetherthatlevelisrepresentedbyahighorlowvoltage.
Thetermnegate,ornegation,indicatesthatasignalisinac-tive.
6.
1USB224x36-PinQFNPinDescriptionsTABLE6-1:USB224X36-PINQFNPINDESCRIPTIONSSymbolUSB2240/40IUSB2241/41IUSB2244/44IBufferTypeDescriptionxD-PICTURECARD(xD)INTERFACE(APPLIESONLYTOUSB2240/USB2240I)xD_D[7:0]202325304578I/O12PDxDDataThesebi-directionaldatasignalshaveweakinternalpull-downresistors.
xD_nWP9O12PDxDWriteProtectThispinisanactivelowwriteprotectsignalforthexDdeviceandhasaweakpull-downresistorthatispermanentlyenabled.
xD_ALE10O12PDxDAddressStrobeThispinisanactivehighAddressLatchEnablesignalforthexDdeviceandhasaweakpull-downresistorthatispermanentlyenabled.
xD_CLE11O12PDxDCommandStrobeThispinisanactivehighCommandLatchEnablesignalforthexDdeviceandhasaweakpull-downresistorthatispermanentlyenabled.
xD_nRE16O12PUxDReadEnableThispinisanactivelowreadstrobesignalforthexDdevice.
WhenusingtheinternalFET,thispinhasaweakinternalpull-upresistorthatistiedtotheoutputoftheinternalpowerFET.
IfanexternalFETisused(InternalFETisdisabled),thentheinternalpull-upisnotavailable(externalpull-upsmustbeused).
USB224XDS00001979A-page142010-2015MicrochipTechnologyInc.
xD_nWE12O12PUxDWriteEnableThispinisanactivelowwritestrobesignalforthexDdevice.
WhenusingtheinternalFET,thispinhasaweakinternalpull-upresistorthatistiedtotheoutputoftheinternalpowerFET.
IfanexternalFETisused(InternalFETisdisabled),thentheinternalpull-upisnotavailable(externalpull-upsmustbeused).
xD_nB/R17IPUxDBusyorDataReadyThispinisconnectedtotheBSY/RDYpinofthexDdevice.
WhenusingtheinternalFET,thispinhasaweakinternalpull-upresistorthatistiedtotheoutputoftheinternalpowerFET.
IfanexternalFETisused(InternalFETisdisabled),thentheinternalpull-upisnotavailable(externalpull-upsmustbeused).
xD_nCD19I/O12xDCardDetectionThisisdesignatedbythedefaultfirmwareasthexD-Picturecarddetectionpin.
Note:Thispincanbeleftunconnectedifthesocketisnotused.
xD_nCE15O12PUxDChipEnableThispinistheactivelowchipenablesignaltothexDdevice.
WhenusingtheinternalFET,thispinhasaweakinternalpull-upresistorthatistiedtotheoutputoftheinternalpowerFET.
IfanexternalFETisused(InternalFETisdisabled),thentheinternalpull-upisnotavailable(externalpull-upsmustbeused).
MEMORYSTICK(MS)INTERFACEMS_D[7:0]874523201011I/O12PDMSSystemDataIn/OutThesepinsarethebi-directionaldatasignalsfortheMSdevice.
MS_D0,MS_D2,andMS_D3haveweakpull-downresistors.
Inserialmode,themostsignificantbit(MSB)ofeachbyteistransmittedfirstbyeitherMSCorMSdeviceonMS_D0.
Inparallelmode,MS_D1hasapull-downresistor,otherwiseitisdisabled.
In4-or8-bitparallelmode,thereisaweakpull-downresistoronallMS_D7-0signals.
TABLE6-1:USB224X36-PINQFNPINDESCRIPTIONS(CONTINUED)SymbolUSB2240/40IUSB2241/41IUSB2244/44IBufferTypeDescription2010-2015MicrochipTechnologyInc.
DS00001979A-page15USB224XMS_BS9O12MSBusStateThispinisconnectedtothebusstate(BS)pinoftheMSdevice.
Itisusedtocontrolthebusstates0,1,2and3(BS0,BS1,BS2andBS3)oftheMSdevice.
MS_SCLK30O12MSSystemCLKThispinisanoutputclocksignaltotheMSdevice.
Theclockfrequencyissoftwareconfigurable.
MS_INS24IPUMSCardInsertionThisisdesignatedbythedefaultfirmwareastheMemoryStickcarddetectionpin.
Note:Thispincanbeleftunconnectedifthesocketisnotused.
SECUREDIGITAL(SD)/MULTIMEDIACARD(MMC)INTERFACESD_D[7:0]781020232545781020232545I/O12PUSDDataThepinsarebi-directionaldatasignalsSD_D0-SD_D7andhaveweakpull-upresistors.
SD_CLK99O12SDClockThisisanoutputclocksignaltoSD/MMCdevice.
Theclockfrequencyissoftwareconfigurable.
SD_CMD1111I/O12PUSDCommandThisisabi-directionalsignalthatconnectstotheCMDsignaloftheSD/MMCdeviceandhasaweakinternalpull-upresistor.
SD_WPSDWriteProtectDetectionSD_nCDSDCardDetectUSBINTERFACEUSB+USB-23I/O-UUSBBusDataThesepinsconnecttotheUSBbusdatasignals.
RBIAS35I-RUSBTransceiverBiasA12.
0kΩ,±1.
0%resistorisattachedfromVSStothispininordertosetthetransceiver'sinternalbiascurrents.
XTAL1(CLKIN)33ICLKx24MHzCrystal(Externalclockinput)Thispincanbeconnectedtooneterminalofthecrystalorcanbeconnectedtoanexternal24MHzclockwhenacrystalisnotused.
XTAL232OCLKx24MHzCrystalThisistheotherterminalofthecrystal,oritisleftopenwhenanexternalclocksourceisusedtodriveXTAL1(CLKIN).
VDDA33363.
3VAnalogPowerTABLE6-1:USB224X36-PINQFNPINDESCRIPTIONS(CONTINUED)SymbolUSB2240/40IUSB2241/41IUSB2244/44IBufferTypeDescriptionUSB224XDS00001979A-page162010-2015MicrochipTechnologyInc.
VDD18PLL341.
8VPLLPower+1.
8VFilteredanalogpowerforinternalPLL.
Thispinmusthavea1.
0μF±20%(ESR<0.
1Ω)capacitortoVSS.
MISCLED1I/O12LED:CanbeusedasanLEDoutput.
RXD/SDAIRXD:ThissignalcanbeusedasinputtotheRXDofUARTinthedevice.
Customfirmwareisrequiredtoactivatethisfunction.
I/O12SDA:ThisisthedatapinwhenusedwithanexternalserialEEPROM.
TXD/SCK/MS_SKT_SEL31O12TXD:ThissignalcanbeusedasanoutputTXDofUARTinthedevice.
Customfirmwareisrequiredtoactivatethisfunction.
O12SCK:ThisistheclockoutputwhenusedwithanexternalEEPROM.
IMS_SKT_SEL:OnthepositiveedgeofRESET_N,thispinissampledtodeterminedtheMemorySticksocketsize.
1=8-bit0=4-bitCRD_PWR21I/O200CRD_PWR:Cardpowerdriveof3.
3Vateither100mAor200mA.
RESET_N18ISRESETInput:Thisactivelowsignalisusedbythesystemtoresetthechip.
Theactivelowpulseshouldbeatleast1μswide.
TEST28ITESTInput:Tiethispintogroundfornormaloperation.
NC1215161712151617NoConnect.
Notraceorsignalshouldberouted/attachedtothesepins.
DIGITAL/POWERVDD1813+1.
8Vcorepower.
Thispinmusthavea1.
0μF±20%(ESR<0.
1Ω)capacitortoVSS.
VDD33614223.
3VPowerandRegulatorInputVSSePadGroundPad/ePad:thepackageslugistheonlyVSSforthedeviceandmustbetiedtogroundwithanarrayof3x3vias.
TABLE6-1:USB224X36-PINQFNPINDESCRIPTIONS(CONTINUED)SymbolUSB2240/40IUSB2241/41IUSB2244/44IBufferTypeDescription2010-2015MicrochipTechnologyInc.
DS00001979A-page17USB224X6.
2BufferTypeDescriptionsTABLE6-2:BUFFERTYPEDESCRIPTIONSBufferDescriptionIInputIPUInputwithinternalweakpull-upresistorISInputwithSchmitttriggerI/O12Input/outputbufferwith12mAsinkand12mAsourceI/O200Input/Outputbuffer12mAwithFETdisabled,100/200mAsourceonlywhentheFETisenabledI/O12PDInput/outputbufferwith12mAsinkand12mAsourcewithaninternalweakpull-downresistorI/O12PUInput/outputbufferwith12mAsinkand12mAsourcewithapull-upresistorO12Outputbufferwith12mAsourceO12PUOutputbufferwith12mAsinkand12mAsource,withapull-upresistorO12PDOutputbufferwith12mAsinkand12mAsource,withapull-downresistorICLKxXTALclockinputOCLKxXTALclockoutputI/O-UAnaloginput/outputasdefinedintheUSB2.
0SpecificationI-RRBIASNote:TheDCcharacteristicsareoutlinedinSection9.
3,onpage32.
USB224XDS00001979A-page182010-2015MicrochipTechnologyInc.
7.
0PINCONFIGURATIONS7.
1CardReaderTheMicrochipUSB224xisfullycompliantwiththefollowingflashmediacardreaderspecifications:SecureDigital2.
0-HS-SDandSDHC-TransFlashandreducedformfactormediaMultiMediaCard4.
2-1/4/8bitMMCMemoryStick1.
43MemoryStickProFormat1.
02MemoryStickPro-HGDuoFormat1.
01-MemoryStick,MSDuo,HS-MS,MSPro-HG,MSProMemoryStickDuo1.
10xD-PictureCard1.
27.
2SystemConfigurations7.
2.
1EEPROMTheUSB224xcanbeconfiguredviaa2-wire(I2C)EEPROM(512x8)flashdevicecontainingtheoptionsfortheUSB224x.
Ifanexternalconfigurationdevicedoesnotexisttheinternaldefaultvalueswillbeused.
Ifoneoftheexternaldevicesisusedforconfiguration,theOEMcanupdatethevaluesthroughtheUSBinterface.
Thedevicewillthen"attach"totheupstreamUSBhost.
TheUSBDMtoolsetisavailableintheUSB224x/USB225xCardReadersoftwarereleasepackage.
TodownloadthesoftwarepackagefromMicrochip'swebsite,pleasevisit:http://www.
microchip.
com/SWLibraryWeb/product.
aspxproduct=OBJCardReadertogototheOBJCardReaderSoftwareDownloadAgreement.
Reviewthelicense,andifyouagree,checkthe"Iagree"boxandthenselect"Confirm".
YouwillthenbeabletodownloadtheUSB224x/USB225xCardreadercomboreleasepackagezipfilecontainingtheUSBDMtoolset.
Pleasenotethatthefollowingappliestothesystemvaluesanddescrip-tionswhenused:N/A=NotapplicabletothispartReserved=Forinternaluse7.
2.
2EEPROMDATADESCRIPTORTABLE7-1:INTERNALFLASHMEDIACONTROLLERCONFIGURATIONSAddressRegisterNameDescriptionInternalDefaultValue00hUSB_SER_LENUSBSerialStringDescriptorLength1Ah01hUSB_SER_TYPUSBSerialStringDescriptorType03h02h-19hUSB_SER_NUMUSBSerialNumber"000000225001"(SeeNote7-1)1Ah-1BhUSB_VIDUSBVendorIdentifier04241Ch-1DhUSB_PIDUSBProductIdentifier22401EhUSB_LANG_LENUSBLanguageStringDescriptorLength04h1FhUSB_LANG_TYPUSBLanguageStringDescriptorType03h20hUSB_LANG_ID_LSBUSBLanguageIdentifierLeastSignificantByte09h(SeeNote7-2)2010-2015MicrochipTechnologyInc.
DS00001979A-page19USB224X21hUSB_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"UltraFastMediaReader"(SeeNote7-1)9AhUSB_BM_ATTUSBBmAttribute80h9BhUSB_MAX_PWRUSBMaxPower30h(96mA)9ChATT_LBAttributeLobyte40h(ReverseSD_WPonly)9DhATT_HLBAttributeHiLobyte00h9EhATT_LHBAttributeLoHibyte00h9FhATT_HBAttributeHibyte00hA0hMS_PWR_LBMemoryStickDevicePowerLobyte08hA1hMS_PWR_HBMemoryStickDevicePowerHibyte00hA2hReserved-80hA3hReserved-00hA4hxD_PWR_LBxD-PictureCardDevicePowerLobyte00hA5hxD_PWR_HBxD-PictureCardDevicePowerHibyte08hA6hSD_PWR_LBSecureDigitalDevicePowerLobyte00hA7hSD_PWR_HBSecureDigitalDevicePowerHibyte80hA8hLED_BLK_INTLEDBlinkInterval02hA9hLED_BLK_DURLEDBlinkAfterAccess28hAAh-B0hDEV0_ID_STRDevice0IdentifierString"COMBO"B1h-B7hDEV1_ID_STRDevice1IdentifierString"MS"B8h-BEhDEV2_ID_STRDevice2IdentifierString"SM"(SeeNote7-3)BFh-C5hDEV3_ID_STRDevice3IdentifierString"SD/MMC"C6h-CDhINQ_VEN_STRInquiryVendorString"Generic"CEh-D2hINQ_PRD_STRInquiryProductString2240D3hDYN_NUM_LUNDynamicNumberofLUNsFFhD4h-D7hDEV_LUN_MAPDevicetoLUNMappingFFh,FFh,FFh,FFhD8h-DAhReserved-00h,03h,07hDBh-DDhReserved-5Ch,56h,97hTABLE7-1:INTERNALFLASHMEDIACONTROLLERCONFIGURATIONS(CONTINUED)AddressRegisterNameDescriptionInternalDefaultValueUSB224XDS00001979A-page202010-2015MicrochipTechnologyInc.
Note7-1ThisvalueisaUNICODEUTF-16LEencodedstringvaluethatmeetstheUSB2.
0specification(Revision2.
0,2000).
ValuesindoublequotationswithoutthisnoteareASCIIvalues.
Note7-2Foralistofthemostcurrent16-bitlanguageID'sdefinedbytheUSB-IF,pleasevisithttp://www.
unicode.
orgorconsultTheUnicodeStandard,WorldwideCharacterEncoding,(Version4.
0),TheUnicodeConsortium,Addison-WesleyPublishingCompany,Reading,Massachusetts.
Note7-3The"SM"valuewillbeoverriddenwith"xD"onceanxD-PictureCardhasbeenidentified.
7.
2.
3EEPROMDATADESCRIPTORREGISTERDESCRIPTIONS7.
2.
3.
100h:USBSerialStringDescriptorLength7.
2.
3.
201h:USBSerialStringDescriptorType7.
2.
3.
302h-19h:USBSerialNumberOption7.
2.
3.
41Ah-1Bh:USBVendorIDOption7.
2.
3.
51Ch-1Dh:USBProductIDOption7.
2.
3.
61Eh:USBLanguageIdentifierDescriptorLengthDEh-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.
ByteNameDescription1:0USB_PIDThisIDisuniqueforeveryproduct.
TheproductIDisassignedbythevendor.
ByteNameDescription0USB_LANG_LENUSBlanguageIDstringdescriptorlengthasdefinedbySection9.
6.
7"String"oftheUSB2.
0Specification(Revision2.
0,2000).
Thisfieldisthe"bLength"whichdescribesthesizeofthestringdescriptor(inbytes).
TABLE7-1:INTERNALFLASHMEDIACONTROLLERCONFIGURATIONS(CONTINUED)AddressRegisterNameDescriptionInternalDefaultValue2010-2015MicrochipTechnologyInc.
DS00001979A-page21USB224X7.
2.
3.
71Fh:USBLanguageIdentifierDescriptorType7.
2.
3.
820h:USBLanguageIdentifierLeastSignificantByte7.
2.
3.
921h:USBLanguageIdentifierMostSignificantByte7.
2.
3.
1022h:USBManufacturerStringDescriptorLength7.
2.
3.
1123h:USBManufacturerStringDescriptorType7.
2.
3.
1224h-31h:USBManufacturerStringOption7.
2.
3.
1332h-5Dh:Reserved7.
2.
3.
145Eh:USBProductStringDescriptorLengthByteNameDescription1USB_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_STRThemaximumstringlengthis29characters.
ByteNameDescription59:16ReservedReserved.
ByteNameDescription0USB_PRD_STR_LENUSBproductstringdescriptorlengthasdefinedbySection9.
6.
7"String"oftheUSB2.
0Specification(Revision2.
0,2000).
Thisfieldisthe"bLength"whichdescribesthesizeofthestringdescriptor(inbytes).
Maximumstringlengthis29charactersUSB224XDS00001979A-page222010-2015MicrochipTechnologyInc.
7.
2.
3.
155Fh:USBProductStringDescriptorType7.
2.
3.
1660h-99h:USBProductStringOption7.
2.
3.
179Ah:USBBmAttribute(1byte)7.
2.
3.
189Bh:USBMaxPower(1byte)ByteNameDescription1USB_PRD_STR_TYPUSBproductstringdescriptortypeasdefinedbySection9.
6.
7"String"oftheUSB2.
0Specification(Revision2.
0,2000).
Thisfieldisthe"bDescriptorType"whichisaconstantvalueassociatedwithastringdescriptortype.
ByteNameDescription59:2USB_PRD_STRThisstringwillbeusedduringtheUSBenumerationprocessintheWindowsoperatingsystem.
Maximumstringlengthis29characters.
BitNameDescription7:0USB_BM_ATTSelf-orBus-Power:Selectsbetweenself-andbus-poweredoperation.
Thehubiseitherself-powered(drawslessthan2mAofupstreambuspower)orbus-powered(limitedtoa100mAmaximumofupstreampowerpriortobeingconfiguredbythehostcontroller).
Whenconfiguredasabus-powereddevice,theMicrochipdeviceconsumeslessthan100mAofcurrentpriortobeingconfigured.
Afterconfiguration,thebus-poweredMicrochipdevice(alongwithallassociateddevicecircuitry,anyembeddeddevicesifpartofacompounddevice,and100mAperexternallyavailabledownstreamport)mustconsumenomorethan500mAofupstreamVBUScurrent.
Thecurrentconsumptionissystemdependent,andtheOEMmustensurethattheUSB2.
0Specificationisnotviolated.
Whenconfiguredasaself-powereddevice,<1mAofupstreamVBUScurrentisconsumedandallportsareavailable,witheachportbeingcapableofsourcing500mAofcurrent.
80=Bus-poweredoperation(default)C0=Self-poweredoperationA0=Bus-poweredoperationwithremotewake-upE0=Self-poweredoperationwithremotewake-upBitNameDescription7:0USB_MAX_PWRUSBMaxPowerpertheUSB2.
0Specification.
DoNOTsetthisvaluegreaterthan100mA.
2010-2015MicrochipTechnologyInc.
DS00001979A-page23USB224X7.
2.
3.
199Ch-9Fh:AttributeByteDescriptions7.
2.
4A0H-A7H:DEVICEPOWERCONFIGURATIONTheUSB224xhasoneinternalFETwhichcanbeutilizedforcardpower.
Thissectiondescribesthedefaultinternalconfiguration.
ThesettingsarestoredinNVSTOREandprovidethefollowingfeatures:1.
AcardcanbepoweredbyanexternalFETorbyaninternalFET.
2.
Thepowerlimitcanbesetto100mAor200mA(Default)fortheinternalFET.
Eachmediausestwobytestostoreitsdevicepowerconfiguration.
Bit3selectsbetweeninternalorexternalcardpowerFEToptions.
ForinternalFETcardpowercontrol,bits0through2areusedtosetthepowerlimit.
The"DevicePowerConfiguration"bitsareignoredunlessthe"EnableDevicePowerConfiguration"bitisset.
SeeSection7.
2.
3.
19,"9Ch-9Fh:AttributeByteDescriptions,"onpage23.
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'.
7xDPlayerModeUSB224XDS00001979A-page242010-2015MicrochipTechnologyInc.
7.
2.
4.
1A0h-A1h:MemoryStickDevicePowerConfiguration7.
2.
4.
2A2h-A3h:NotApplicable7.
2.
4.
3A4h-A5h:xD-PictureCardDevicePowerConfigurationWhenapplicable,the"SM"valuewillbeoverriddenwith"xD"onceanxD-PictureCardhasbeenidentified.
7.
2.
4.
4A6h-A7h:SecureDigitalDevicePowerConfiguration7.
2.
4.
5A8h:LEDBlinkIntervalFETTypeBitsBitTypeDescription0FETLoByteMS_PWR_LB3:0LowNibble0000bDisabled17:4HighNibble2FETHiByteMS_PWR_HB3:0LowNibble0000bDisabled0001bExternalFETenabled1000bInternalFETwith100mApowerlimit1010bInternalFETwith200mApowerlimit37:4HighNibble0000bDisabledByteNameDescription1:0NotApplicableNotapplicable.
FETTypeBitsBitTypeDescription0FETLoBytexD_PWR_LB3:0LowNibble0000bDisabled17:4HighNibble2FETHiBytexD_PWR_HB3:0LowNibble0000bDisabled0001bExternalFETenabled1000bInternalFETwith100mApowerlimit1010bInternalFETwith200mApowerlimit37:4HighNibble0000bDisabledFETTypeBitsBitTypeDescription0FETLoByteSD_PWR_LB3:0LowNibble0000bDisabled17:4HighNibble2FETHiByteSD_PWR_HB3:0LowNibble0000bDisabled0001bExternalFETenabled1000bInternalFETwith100mApowerlimit1010bInternalFETwith200mApowerlimit37:4HighNibble0000bDisabledByteNameDescription0LED_BLK_INTTheblinkrateisprogrammablein50msintervals.
Thehighbit(7)indicatesanidlestate:'0'-Off'1'-OnTheremainingbits(6:0)areusedtodeterminetheblinkintervaluptoamaxof128x50ms.
2010-2015MicrochipTechnologyInc.
DS00001979A-page25USB224X7.
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:InquiryVendorString7.
2.
5.
6CEh-D2h:InquiryProductStringByteNameDescription1LED_BLK_DURLEDBlinkAfterAccess.
ThisbyteisusedtodesignatethenumberofsecondsthattheLEDwillcontinuetoblinkafteradriveaccess.
Settingthisbyteto"05"willcausetheLEDtoblinkfor5secondsafteradriveaccess.
ByteNameDescription6:0DEV0_ID_STRNotapplicable.
ByteNameDescription6:0DEV1_ID_STRThisIDstringisassociatedwiththeMemoryStickdevice.
ByteNameDescription6:0DEV2_ID_STRThisIDstringisassociatedwiththexD-PictureCarddevice.
ByteNameDescription6:0DEV3_ID_STRThisIDstringisassociatedwiththeSecureDigital/MultiMediaCarddevice.
ByteNameDescription7:0INQ_VEN_STRIfbit4ofthe1stattributebyteisset,thedevicewillusethesestringsinresponsetoaUSBinquirycommand,insteadoftheUSBdescriptormanufacturerandproductIDstrings.
ByteNameDescription4:0INQ_PRD_STRIfbit4ofthe1stattributebyteisset,thedevicewillusethesestringsinresponsetoaUSBinquirycommand,insteadoftheUSBdescriptormanufacturerandproductIDstrings.
USB224XDS00001979A-page262010-2015MicrochipTechnologyInc.
7.
2.
5.
7D3h:DynamicNumberofLUNs7.
2.
5.
8D4h-D7h:DevicetoLUNMapping7.
2.
5.
9D8h-FBh:NotApplicable7.
2.
5.
10FCh-FFh:Non-VolatileStorageSignature7.
3DefaultConfigurationOptionTheMicrochipdevicecanbeconfiguredviaitsinternaldefaultconfiguration.
PleaseseeSection7.
2.
2,"EEPROMDataDescriptor"forspecificdetailsonhowtoenabledefaultconfiguration.
PleaserefertoTable7-1fortheinternaldefaultvaluesthatareloadedwhenthisoptionisselected.
7.
3.
1EXTERNALHARDWARERESET_NAvalidhardwareresetisdefinedasassertionofRESET_Nforaminimumof1μsafterallpowersuppliesarewithinoperatingrange.
Whileresetisasserted,thedevice(anditsassociatedexternalcircuitry)consumeslessthan500μAofcurrentfromtheupstreamUSBpowersource.
AssertionofRESET_N(externalpin)causesthefollowing:1.
ThePHYisdisabledandthedifferentialpairwillbeinahigh-impedancestate.
2.
Alltransactionsimmediatelyterminate;nostatesaresaved.
3.
Allinternalregistersreturntothedefaultstate.
4.
Theexternalcrystaloscillatorishalted.
5.
ThePLLishalted.
6.
Theprocessorisreset.
7.
Allmediainterfacesarereset.
BitNameDescription7:0DYN_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,"onpage26.
ByteNameDescription35:0NotApplicableNotApplicable.
ByteNameDescription3:0NVSTORE_SIGThissignatureisusedtoverifythevalidityofthedatainthefirst256bytesoftheconfigurationarea.
Thesignaturemustbesetto'ATA2'forUSB224x.
2010-2015MicrochipTechnologyInc.
DS00001979A-page27USB224X7.
3.
1.
1RESET_NforEEPROMConfiguration7.
3.
2USBBUSRESETInresponsetotheupstreamportsignalingaresettothedevice,thedevicedoesthefollowing:1.
Setsdefaultaddressto'0'.
2.
Setsconfigurationto:Unconfigured.
3.
Alltransactionsarestopped.
4.
Processorreinitializesandrestarts.
5.
Allmediainterfacesaredisabled.
FIGURE7-1:RESET_NTIMINGFOREEPROMMODETABLE7-2:RESET_NTIMINGFOREEPROMMODENameDescriptionMINTYPMAXUnitst1RESET_Nasserted1μsect2Devicerecovery/stabilization500μsect38051programsdeviceconfiguration2050msect4USBattach100msect5HostacknowledgesattachandsignalsUSBreset100msect6USBidleUndefinedmsect7Readytohandlerequests(withorwithoutdata)5msecNote:AllpowersuppliesmusthavereachedtheoperatinglevelsmandatedinSection9.
0,"DCParameters,"onpage31,priorto(orcoincidentwith)theassertionofRESET_N.
t1t2t4t5t6t7RESET_NVSSHardwareresetassertedDeviceRecovery/Stabilization8051SetsConfigurationRegistersAttachUSBUpstreamUSBResetrecoveryIdleStartcompletionrequestresponset3USB224XDS00001979A-page282010-2015MicrochipTechnologyInc.
8.
0PINRESETSTATES8.
1USB2240/40I/41/41IPinResetStatesFIGURE8-1:PINRESETSTATESTABLE8-1:LEGENDFORPINRESETSTATESTABLESymbolDescription0Outputdrivenlow1OutputdrivenhighIPInputenabledPUHardwareenablespull-upPDHardwareenablespull-down--HardwaredisablesfunctionZHardwaredisablespad.
Bothoutputdriverandinputbuffersaredisabled.
TABLE8-2:USB2240/40I/41/41I36-PINRESETSTATESResetStatePinPinNameFunctionInput/OutputPU/PD8xD_D0/SD_D6/MS_D7nonez--7xD_D1/SD_D7/MS_D6nonez--5xD_D2/SD_D0/MS_D4nonez--4xD_D3/SD_D1/MS_D5nonez--30xD_D4/SD_WP/MS_SCLKSD_WP0--25xD_D5/SD_D2nonez--26SD_nCDnoneIPpu24MS_INSnoneIPpuVoltageSignal(v)Time(t)RESETRESETHardwareInitializationFirmwareOperationalVDD33VSS2010-2015MicrochipTechnologyInc.
DS00001979A-page29USB224X23xD_D6/SD_D3/MS_D3nonez--20xD_D7/SD_D4/MS_D2nonez--9xD_nWP/SD_CLK/MS_BSnonez--10xD_ALE/SD_D5/MS_D1nonez--11xD_CLE/SD_CMD/MS_D0nonez--19xD_nCDnoneIPpu1LEDnone0--16xD_nREnonez--27RXD/SDAnone0--29none0--31TXD/SCK/MS_SKT_SELnone0--21CRD_PWRnonez--28TESTTESTIP--18RESET_NRESET_NIP--12xD_nWEnonez--17xD_nB/Rnonez--15xD_nCEnonez--2USB+USB+z--3USB-USB-z--Note:xDsignalsonlyapplytoUSB2240/USB2240I.
TABLE8-2:USB2240/40I/41/41I36-PINRESETSTATES(CONTINUED)ResetStatePinPinNameFunctionInput/OutputPU/PDUSB224XDS00001979A-page302010-2015MicrochipTechnologyInc.
8.
2USB2244/44IPinResetStatesTABLE8-3:USB2244/USB2244I36-PINRESETSTATESResetStatePost-ResetStateSDModePinPinNameFunctionInput/OutputPU/PDFunctionOutputPU/PDInput8SD_D6nonez--SD_D6hwpuyes7SD_D7nonez--SD_D7hwpuyes5SD_D0nonez--SD_D0hwpuyes4SD_D1nonez--SD_D1hwpuyes30SD_WPSD_WP0--SD_WP(fw)(fw)(fw)25SD_D2nonez--SD_D2hwpuyes23SD_D3nonez--SD_D3hwpuyes20SD_D4nonez--SD_D4hwpuyes9SD_CLKnonez--SD_CLKhw--yes10SD_D5nonez--SD_D5hwpuyes11SD_CMDnonez--SD_CMDhwpuyes19noneIPpu26SD_nCDnoneIPpu24noneIPpu27RXD/SDAnone0--RXDzpuyes29none0--31TXD/SCKnone0--TXDhw----21CRD_PWRnonez--PWRVDD----28TESTTESTIP--18RESET_NRESET_NIP--1LEDnone0--17:15NCnonez--nonez----12NCnonez--nonez----2USB+USB+z--3USB-USB-z--35RBIAS33XTAL1(CLKIN)32XTAL22010-2015MicrochipTechnologyInc.
DS00001979A-page31USB224X9.
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_PWR-0.
5VDD33+0.
3VWheninternalpowerFEToperationofthispinisenabled,thispinmaybesimultaneouslyshortedtogroundoranyvoltageupto3.
63Vindefinitely,withoutdamagetothedeviceaslongasVDD33andVDDA33arelessthan3.
63VandTAislessthan70oC.
Voltageonanysignalpin-0.
5VDD33+0.
3VVoltageonXTAL1-0.
53.
6VVoltageonXTAL2-0.
5VDD18+0.
3VFIGURE9-1:SUPPLYRISETIMEMODELt10%10%90%VoltagetRTt90%Time100%3.
3VVSSVDD33USB224XDS00001979A-page322010-2015MicrochipTechnologyInc.
9.
2OperatingConditionsNote9-3A3.
3Vregulatorwithanoutputtoleranceof1%mustbeusediftheoutputoftheinternalpowerFETsmustsupporta5%tolerance.
9.
3DCElectricalCharacteristicsParameterSymbolMINMAXUnitsCommentsCommercialPartIndustrialPartTATA0-407085°C°COperatingTemperatureAmbienttemperatureinstillair.
3.
3VsupplyvoltageVDD333.
03.
6V(Note9-3)3.
3VsupplyrisetimetRT0400μsVoltageonUSB+andUSB-pins-0.
35.
5VIfany3.
3Vsupplyvoltagedropsbelow3.
0V,thentheMAXbecomes:(3.
3Vsupplyvoltage)+0.
5≤5.
5Voltageonanysignalpin-0.
3VDD33VVoltageonXTAL1-0.
3VDD33VVoltageonXTAL2-0.
3VDD18VParameterSymbolMINTYPMAXUnitsCommentsI,IPU,IPDTypeInputBufferLowInputLevelHighInputLevelPullDownPullUpVILIVIHIPDPU2.
072580.
8VVμAμATTLLevelsISTypeInputBufferLowInputLevelHighInputLevelHysteresisVILIVIHIVHYSI2.
04200.
8VVmVTTLLevelsICLKInputBufferLowInputLevelHighInputLevelInputLeakageVILCKVIHCKIIL1.
4-100.
5+10VVμAVIN=0toVDD33InputLeakage(AllIandISbuffers)LowInputLeakageHighInputLeakageIILIIH-10-10+10+10μAμAVIN=0VIN=VDD332010-2015MicrochipTechnologyInc.
DS00001979A-page33USB224XO12TypeBufferLowOutputLevelHighOutputLevelOutputLeakageVOLVOHIOLVDD33-0.
4-100.
4+10VVμAIOL=12mA@VDD33=3.
3VIOH=-12mA@VDD33=3.
3VVIN=0toVDD33(Note9-4)I/O12,I/O12PU&I/O12PDTypeBufferLowOutputLevelHighOutputLevelOutputLeakagePullDownPullUpVOLVOHIOLPDPUVDD33-0.
4-1072580.
4+10VVμAμAμAIOL=12mA@VDD33=3.
3VIOH=-12mA@VDD33=3.
3VVIN=0toVDD33(Note9-4)IO-U(Note9-5)I-R(Note9-6)I/O200IntegratedPowerFETforCRD_PWRHighOutputCurrentModeLowOutputCurrentMode(Note9-7)OnResistance(Note9-7)OutputVoltageRiseTimeIOUTIOUTRDSONtDSON2001002.
1800mAmAΩμsVdropFET=0.
46VVdropFET=0.
23VIFET=70mACLOAD=10μFSupplyCurrentUnconfiguredICCINIT8090mASupplyCurrentActiveFullSpeedHighSpeedICCICC110135140165mAmASupplyCurrentSuspendICSBY350700AIndustrialTemperatureSuspendICSBYI350900AParameterSymbolMINTYPMAXUnitsCommentsUSB224XDS00001979A-page342010-2015MicrochipTechnologyInc.
Note9-4Outputleakageismeasuredwiththecurrentpinsinhighimpedance.
Note9-5SeeTheUSB2.
0Specification,Chapter7,forUSBDCelectricalcharacteristicsNote9-6RBIASisa3.
3Vtolerantanalogpin.
Note9-7Outputcurrentrangeiscontrolledbyprogramsoftware,softwaredisablesFETduringshortcircuitcondition.
Note9-8TheassignmentofeachIntegratedCardPowerFETtoadesignatedCardConnectoriscontrolledbybothfirmwareandthespecificboardimplementation.
Note9-9The3.
3Vsupplyshouldbeatleastat75%ofitsoperatingconditionbeforethe1.
8Vsupplyisallowedtorampup.
9.
4CapacitanceTA=25°C;fc=1MHz;VDD,VDDP=1.
8V9.
5PackageThermalSpecificationNote9-10Thermalparametersaremeasuredorestimatedfordeviceswiththeexposedpadsolderedtothermalviasinamultilayer2S2PPCBperJESD51.
Thermalresistanceismeasuredfromthedietotheambientair.
TABLE9-1:PINCAPACITANCEParameterSymbolLimitsUnitTestConditionMINTYPMAXClockInputCapacitanceCXTAL2pFAllpins(exceptUSBpinsandpinsundertest)aretiedtoACground.
InputCapacitanceCIN10pFOutputCapacitanceCOUT20pFTABLE9-2:36-PINQFNPACKAGETHERMALPARAMETERSParameterVelocity(Meters/Sec)SymbolValueUnitThermalResistance0ΘJA33.
2°C/W129226Junction-to-Top-of-Package0ΨJT2.
6°C/W12.
622.
62010-2015MicrochipTechnologyInc.
DS00001979A-page35USB224X10.
0ACSPECIFICATIONS10.
1Oscillator/CrystalParallelResonant,FundamentalMode,24MHz±350ppm.
TABLE10-1:CRYSTALCIRCUITLEGENDNote10-1C0isusuallyincluded(subtractedbythecrystalmanufacturer)inthespecificationforCLandshouldbesetto'0'foruseinthecalculationofthecapacitanceformulasinFigure10-2,"CapacitanceFormulas".
However,theOEMPCBitselfmaypresentaparasiticcapacitancebetweenXTAL1andXTAL2.
ForanaccuratecalculationofC1andC2,taketheparasiticcapacitancebetweentracesXTAL1andXTAL2intoaccount.
Note10-2Eachofthesecapacitancevaluesistypicallyapproximately18pF.
FIGURE10-1:TYPICALCRYSTALCIRCUITSYMBOLDESCRIPTIONINACCORDANCEWITHC0CrystalshuntcapacitanceCrystalmanufacturer'sspecification(SeeNote10-1)CLCrystalloadcapacitanceCBTotalboardortracecapacitanceOEMboarddesignCSStraycapacitanceMCHPICandOEMboarddesignCXTALXTALpininputcapacitanceMCHPICC1LoadcapacitorsinstalledonOEMboardCalculatedvaluesbasedonFigure10-2,"CapacitanceFormulas"(SeeNote10-2)C2FIGURE10-2:CAPACITANCEFORMULASXTAL1(CS1=CB1+CXTAL1)XTAL2(CS2=CB2+CXTAL2)C1C2CL1MCrystalC0C1=2x(CL–C0)–CS1C2=2x(CL–C0)–CS2USB224XDS00001979A-page362010-2015MicrochipTechnologyInc.
10.
2CeramicResonator24MHz±350ppm10.
3ExternalClock50%Dutycycle±10%,24MHz±350ppm,Jitter<100psrms.
TheexternalclockisrecommendedtoconformtothesignalingleveldesignatedintheJESD76-2specificationon1.
8VCMOSLogic.
XTAL2shouldbetreatedasanoconnectordriveonlyaCMOS-likebuffer.
FIGURE10-3:CERAMICRESONATORUSAGEWITHMCHPICXTAL1XTAL21M24MHzCeramicResonator2010-2015MicrochipTechnologyInc.
DS00001979A-page37USB224X11.
0PACKAGEOUTLINETABLE11-1:USB224X36-QFN,6X6MMBODY,0.
5MMPITCHNote:Forthemostcurrentpackagedrawings,seetheMicrochipPackagingSpecificationathttp://www.
microchip.
com/packagingUSB224XDS00001979A-page382010-2015MicrochipTechnologyInc.
TABLE11-1:USB224X36-QFN,6X6MMBODY,0.
5MMPITCH(CONTINUED)Note:Forthemostcurrentpackagedrawings,seetheMicrochipPackagingSpecificationathttp://www.
microchip.
com/packaging2010-2015MicrochipTechnologyInc.
DS00001979A-page39USB224XAPPENDIXA:DATASHEETREVISIONHISTORYTABLEA-1:REVISIONHISTORYREVISIONSECTION/FIGURE/ENTRYCORRECTIONDS00001979A(07-13-15)ReplacespreviousSMSCversionRev.
2.
1(02-07-13)GPIOsandSDIOsupportremovedUSB2242removedRev.
2.
1(02-07-13)Documentco-branded:Microchiplogoaddedtocover;companydisclaimermodified.
Addedthefollowingtotheorderinginformation:"PleasecontactyourSMSCsalesrepresentativeforadditionaldocumentationrelatedtothisproductsuchasapplicationnotes,anomalysheets,anddesignguidelines.
"Rev2.
1(12-22-10)Chapter3,Figure3.
1,3.
2,and3.
3Upgradedtoputthemuxforthemultiplexedinterfaceinsidethepart,putinaSPIinterfaceforoutsideaccesstotheProgramMemoryI/Obus.
Rev2.
1(11-23-10)Chapter6,Table6.
1Removed"Itmaynotbeusedtodriveanyexternalcircuitryotherthanthecrystalcircuit"fromtheXTAL2description.
Rev.
2.
1(10-21-10)Chapter11,Table11.
3ChangedtheactivelevelfromLtoHforGPIO6.
USB224XDS00001979A-page402010-2015MicrochipTechnologyInc.
THEMICROCHIPWEBSITEMicrochipprovidesonlinesupportviaourWWWsiteatwww.
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.
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Under"Support",clickon"CustomerChangeNotifi-cation"andfollowtheregistrationinstructions.
CUSTOMERSUPPORTUsersofMicrochipproductscanreceiveassistancethroughseveralchannels:DistributororRepresentativeLocalSalesOfficeFieldApplicationEngineer(FAE)TechnicalSupportCustomersshouldcontacttheirdistributor,representativeorfieldapplicationengineer(FAE)forsupport.
Localsalesofficesarealsoavailabletohelpcustomers.
Alistingofsalesofficesandlocationsisincludedinthebackofthisdocu-ment.
Technicalsupportisavailablethroughthewebsiteat:http://www.
microchip.
com/support2010-2015MicrochipTechnologyInc.
DS00001979A-page41USB224XPRODUCTIDENTIFICATIONSYSTEMToorderorobtaininformation,e.
g.
,onpricingordelivery,refertothefactoryorthelistedsalesoffice.
Device:USB2240,USB2240I,USB2241,USB2241I,USB2244,USB2244ITemperatureRange:Blank=0°Cto+70°C(ExtendedCommercial)I=-40°Cto+85°C(Industrial)Package:AEZG=36-pinQFNTapeandReelOption:Blank=Standardpackaging(tray)TR=TapeandReel(1)Note1:TapeandReelidentifieronlyappearsinthecatalogpartnumberdescrip-tion.
Thisidentifierisusedfororderingpurposesandisnotprintedonthedevicepackage.
CheckwithyourMicrochipSalesOfficeforpackageavailabilitywiththeTapeandReeloption.
Reelsizeis3,000.
PARTNO.
[X]XXXPackageTemperatureRangeDevice[X]-[X]InternalMicrochipTape&ReelCodeOption--Examples:a)USB2240-AEZG-0636-pinQFNRoHSCompli-antpkg,CommercialTemp,Trayb)USB2240-AEZG-0536-pinQFNRoHSCompli-antpkg,CommercialTemp,Trayc)USB2241-AEZG-0636-pinQFNRoHSCompli-antpkg,CommercialTemp,Trayd)USB2241-AEZG-0536-pinQFNRoHSCompli-antpkg,CommercialTemp,Traye)USB2244-AEZG-0636-pinQFNRoHSCompli-antpkg,CommercialTemp,Trayf)USB2244-AEZG-06-CA136-pinQFNRoHSCompliantpkg,CommercialTemp,Trayg)USB2240I-AEZG-0636-pinQFNRoHSCompli-antpkg,IndustrialTemp,Trayh)USB2241I-AEZG-0636-pinQFNRoHSCompli-antpkg,IndustrialTemp,Trayi)USB2241I-AEZG-0636-pinQFNRoHSCompli-antpkg,IndustrialTemp,Trayj)USB2240-AEZG-06-TR36-pinQFNRoHSCompliantpkg,CommercialTemp,Tape&Reelk)USB2244I-AEZG-06-TR36-pinQFNRoHSCompliantpkg,IndustrialTemp,Tape&ReelUSB224XDS00001979A-page422010-2015MicrochipTechnologyInc.
NotethefollowingdetailsofthecodeprotectionfeatureonMicrochipdevices: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==Informationcontainedinthispublicationregardingdeviceapplicationsandthelikeisprovidedonlyforyourconvenienceandmaybesupersededbyupdates.
Itisyourresponsibilitytoensurethatyourapplicationmeetswithyourspecifications.
MICROCHIPMAKESNOREPRESENTATIONSORWARRANTIESOFANYKINDWHETHEREXPRESSORIMPLIED,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.
S.
A.
andothercountries.
TheEmbeddedControlSolutionsCompanyandmTouchareregisteredtrademarksofMicrochipTechnologyIncorporatedintheU.
S.
A.
Analog-for-the-DigitalAge,BodyCom,chipKIT,chipKITlogo,CodeGuard,dsPICDEM,dsPICDEM.
net,ECAN,In-CircuitSerialProgramming,ICSP,Inter-ChipConnectivity,KleerNet,KleerNetlogo,MiWi,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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A.
andothercountries.
SQTPisaservicemarkofMicrochipTechnologyIncorporatedintheU.
S.
A.
SiliconStorageTechnologyisaregisteredtrademarkofMicrochipTechnologyInc.
inothercountries.
GestICisaregisteredtrademarksofMicrochipTechnologyGermanyIIGmbH&Co.
KG,asubsidiaryofMicrochipTechnologyInc.
,inothercountries.
Allothertrademarksmentionedhereinarepropertyoftheirrespectivecompanies.
2010-2015,MicrochipTechnologyIncorporated,PrintedintheU.
S.
A.
,AllRightsReserved.
ISBN:97816327756652010-2015MicrochipTechnologyInc.
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