UniversalSerial Bus
`Specification
`
`Compaq
`
`Intel
`
`Microsoft
`
`NEC
`
`Revision 1.1
`
`September 23, 1998
`
`ZTE/SAMSUNG 1007-0001
`ZTE/SAMSUNG 1007-0001
`IPR2018-00110
`IPR2018-00110
`Huawei v. FISI Exhibit 1011 - 1/327
`
`

`

`Universal Serial Bus Specification Revision 1.)
`
`Scope of this Revision
`The 1,1 revision of the specification is intended for product design. Every attempt has been madeto ensure a
`consistent and implementable specification. Implementations should ensure compliance with this revision.
`
`Revision History
`[Revision|eveDate——somments
`November 11, 1994
`Supersedes 0.6e.
`
`December 30, 1994
`
`Revisions to Chapters 3-8, 10, and 11. Added
`
`appendixes.
`
`o8s|April 13, 1995 Revisions to all the chapters.
`
`fo.29=| August 25, 1995 Revisionsto all the chapters.
`
`
`November 13, 1995 Revisions to Chapters 1, 2, 5-11.
`January 15, 1996
`Edits to Chapters 5, 6, 7. 8, 9. 10, and 17 for
`consistency,
`
`
`
`September 23, 1998
`
`Updates to all chapters to fix prablems identified,
`
`Universal Serial Bus Specification
`Copyright © 1998, Compaq Computer Corporation,
`Intel Corporation, Microsoft Corporation, NEC Corporation,
`All rights reserved,
`
`INTELLECTUAL PROPERTYDISCLAIMER
`THIS SPECIFICATION IS PROVIDED “AS IS” WITH NO WARRANTIES WHATSOEVER INCLUDING
`ANY WARRANTYOF MERCHANTABILITY, FITNESS FOR ANY PARTICULAR PURPOSE, OR ANY
`WARRANTY OTHERWISE ARISING GUT OF ANY PROPOSAL, SPECIFICATION, OR SAMPLE.
`A LICENSE IS HEREBY GRANTED TO REPRODUCE AND DISTRIBUTE THIS SPECIFICATION FOR
`INTERNAL USE ONLY. NO OTHER LICENSE, EXPRESS OR IMPLIED, BY ESTOPPEL OR
`OTHERWISE, TO ANY OTHER INTELLECTUAL PROPERTY RIGHTS IS GRANTED OR INTENDED
`HEREBY,
`AUTHORS OF THIS SPECIFICATION DISCLAIM ALL LIABILITY, INCLUDING LIABILITY FOR
`INFRINGEMENTOF PROPRIETARY RIGHTS, RELATING TO IMPLEMENTATION OF
`INFORMATION [IN THIS SPECIFICATION. AUTHORS OF THIS SPECIFICATION ALSO DO NOT
`WARRANT OR REPRESENT THAT SUCH IMPLEMENTATION(S) WILL NOT INFRINGE SUCH
`RIGHTS.
`
`GeoPort and Apple Desktop Bus are trademarks of Apple Computer, Inc.
`Windows and Windows NT are trademarks and Microsofh and Win32 are registered trademarks of Microsoft Corporation.
`IBM, PS/2, and Micro Channel are registered trademarks of International Business Machines Corporation.
`ATATis a registered trademark of American Telephone and Telegraph Company.
`Compaq is a registered trademark of Compag Computer Corporation.
`UNIX is a registered trademark of UNIX System Laboratories.
`VCis a trademark of Phillips Semiconductors.
`DECis a trademark ofDigital Equipment Corporation.
`All other product names are trademarks, registered trademarks, or servicemarks of their respective owners,
`
`Please send comments via electranic mail to fechsupa@ush.erg
`For industry information, refer to the USB Implementers Forum web page at hitp://www.ush.arg
`
`ii
`
`ZTE/SAMSUNG 1007-0002
`ZTE/SAMSUNG 1007-0002
`IPR2018-00110
`IPR2018-00110
`Huawei v. FISI Exhibit 1011 - 2/327
`
`

`

`Universal Serial Bus Specification Revision 1,1
`
`Contents
`
`CHAPTER 1
`
`INTRODUCTION ...... 2.0.2.2. cceteceeeeceseceeeseeseeseeeeseeeeeee
`
`Senne e eee teense 1
`
`Te-SMOPIVOT jsaecssicareticnitcsemic benmpcemencrees eimeieoeanidsiawanimeRnE
`
`1.2 Objective of the Specification ............00008
`
`LS,
`
`Ld
`
`“Schpe aF the Document ssecscicisiseiccisiaisaicgoasseaaianibassassnascsaccanseqscaqsnascageansoeapestaniamiecanapeovaness Yoonsverearvitensnes
`
`Doctument OrpaniZa won sisccsssccisscsccessescaieccosscassas iassassiasincsfas saassbbasa nassau saedasasisnialenseiasadiaid
`
`avalneatsafedionas
`
`CHAPTER 2 TERMS AND ABBREVIATIONS...........
`
`CHAPTER 3 BACKGROUND...............
`
`Penne ewer er eee
`
`Sal)|Goals for the Universal Serial Beis iscasaisssccissecossevccoessnesenncnssonswosuisiwsivansacsccisanesasemiaasansiapiensenscontonabet
`
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`
`3:2)
`
`Taxonomy Of Application Space. .scceicrierusnisswesesrrsnaseneseussrsensasvashbossasenseunetionnersscssonesesvenrquetsnn sesvaredens
`
`CHAPTER 4 ARCHITECTURAL OVERVIEW...
`
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`PDT!
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`
`Physical Interface...
`4.2
`
`j
`4.2.1
`Electrical....,......
`
`MTS)
`AAMTepeatNaa 5; saseacg acess cataepsuzcsncisa cote cyppeagausa cep peataneca peagetiseagtayy inactapintian meenaicae GaLAeeL tas
`
`SPA WEE Servacinent uaeernne
`BS:
`
`4.3.1
`Power Distribution...
`.
`
`ASQ
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`
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`
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`4.5.1
`Error Detection.....
`a
`
`
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`
`Rae»
`
`‘Systeny Config ra tht s.sicssicsassceisscensetiaapacscineanvaigeearepraseavesaoseasavassiveadspanasisi ne vinoeiaphiavedpbdtenesnunanscanenverrene
`4.6)
`46)
`Attechment.of SB Devices:
`<2:ccsscicvissarcaszeiavectevecreasmas caneatsveiscenrsacczennvaseeme diese wieeses teessa ean namencbetaes
`4.6.2
`Removal of USB Devices....
`QS Bees rvinteetaay ec oa, esa sy nog as owas ke seo os eas ass Ses aaa ean NUNN aagh
`
`Data Flow Types.....
`4.7
`eA)|ReartyGl PpeaviSera: isso cass sas spss caseassasaletaaes as iGueci eeutatbau nirvana naa Uninetini
`
`ZTE/SAMSUNG 1007-0003
`ZTE/SAMSUNG 1007-0003
`IPR2018-00110
`IPR2018-00110
`Huawei v. FISI Exhibit 1011 - 3/327
`
`

`

`Universal Serial Bus Specification Revision 1.1
`
`Bea Tia Dipeni Fee cts seta an lnvnlevaitzan anon lnedge ab aan Vaviln onal ow ocanaaaa cabana 20
`
`4.7.3
`Interrupt Transfers...
`
`
`4.7.4—[sochronous T'ransfers............ :
`A735
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`
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`USB Devices...
`4.8
`48.1
`Device Charaelerisations.
`ro
`
`BBee
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`
`4.9
`
`USB Bost: Hardware and Softwareis.....sescsessssserseresssassscsnssseersossaressnsnrsacsnansenecaprassesssenpessenasseanprneeD4
`
`4.10 Architectural Extensions .:.:ccsssssseiscsssssssssessasesesesspsesossensarersrsessnesssessnsssneseenasoassssnnastaseunsnesssacsanentesatoner 24
`
`CHAPTER 5 USB DATA FLOW MODELL........:ccsssesarrsererstessnensnsererrrnnssenserareieanertens 20
`
`S.J!
`
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`
`Bus Topology ...
`5.2
`
`5.2.1
`USB Host.......
`5.2.2
`USB Devices.
`‘
`
`5.2.3
`Physical Bus TopologysodatPaiaa(anoubevbasianyivelaviiatasd darddadaqcactcpadsbancteedeaaaieata Giped Fadestantaeataped ARAL 29
`BM Labial Bae LaparegVasscseassess ssganscserpssiasesateayeneussaicsias caistanassiad vias acces pestesiaasaaateaanlasnasuastapeaoaensoni ho 30
`5.2.5
`Client Software-to-function Relationship .........-.--cscssressssserereceeresteneeseneesrennenseeescnsrenanin tere renensnnarens 30
`
`USB Communication Flow......
`5.3.
`
`
`§.3.1
`Device Endpoints............
`As
`Met
`UREASara pcvenda oe Pas spseesieedoe cerenqasoehico vv ena sua eN ea Seeded relesau esbnanscivdo pavpea baaakse ena pEaUabngEN eee 33
`
`S& Transfer Ty peSscscsccsessecremuserserersseecnesestuteansernverepuaesenensbnedarnsnsinorndeeteavansecncsenecopneeneusnnenvenenananasengregennenee col
`
`Control Transfers ..s.ccsscsssceceresonee
`5.5
`
`§5.1
`Control Transfer Data Format
`
`5.5.2
`Control Transfer Direction...
`ce
`5.5.3
`Control Transfer Packet Size Comstraints..:......cccccissscaccsacsectissucesssisess atastesscvsstosesscontanscacvaiancanecn de
`5.5.4
`Control Transfer Bus Access Constraiints...,.......-.s.::ccscseecsscssessestesessennestensacetetsencseepecseardesssetentiedeees 38
`$3:5 Gone Trafister Data Seqhentess wis. pmemnciaaiiaqasnenata ane amineaap
`
` Tsochromous Transfers .....ccsscssesesenseses
`§.6
`aenvenasenesrsaes seraeever4
`
`
`
`S60. /dehrnnois instar Data Retindtes.crcrssccscape-eastaceoneieeeen 4]
`
`
`5.6.2
`Isachronous Transfer Direction.............0.......
`5.6.3
`[sochronous Transfer Packet Size Constraints...
`‘
`5.6.4
`Isochronous Transfer Bus Access Constraints ...
`5.6.5
`Isochronous Transfer Data Sequences. ......csssessesesrecnseecesteresesinsensenessesssesesoneneessssesssenteseranenenneeese
`
`
`
`8:7—Taterrupt Tratisters ssc jisncin snusnanininininianei ninaennennnaan
`5.7.1
`Interrupt Transfer Data Bcrmat,
`x
`
`RQ LUetereuph Transfey Directacit: 4.sisesvesnscoasesvstvvseeeslvgeespanyaatswasncullen gonavddanpy onuesoea4B
`5.7.3
`‘Interrtipt Transfer Packet Size Constraints 5. icsscsscossdascasssacisssassvacsaascassiciaatesnsiawsatarccasiachiasaavicioaaavaes 43
`
`5.7.4
`Interrupt Transfer Bus Access Constraints..
`wd
`S573
`‘Thterrupt Transfer Data Sequences cscs ities nears pent deveassin conser agupbistonnmsncisenestenenh shpyytehe 46
`
`Bulk Transfers............
`5.8
`ids anasrct sabiakc was iNceawad i tarad seardeligpa yobsasorezaor acacomcaeackicnaT eekeoanecbenr see
`3.8.1
`Bulk Transfer Data Format..
`AZ
`
`5.8.2
`Bulk Transfer Direction ..
`AT
`
`
`5.8.3
`Bulk Transfer Packet Size Constraints WEssssactietacasatastgacatuaataapuadbasisinassasadsieaibaltansassactuaipeassencea 47
`
`ZTE/SAMSUNG 1007-0004
`ZTE/SAMSUNG 1007-0004
`IPR2018-00110
`IPR2018-00110
`Huawei v. FISI Exhibit 1011 - 4/327
`
`

`

`Universal Seria] Bus Specification Revision 1.1
`
`4:84
`§.8.5
`
`“Bulk Transfer Bus Access Constraints 2a ec ccc acc casetwas inatch asp esnavascactonneaarwcabins laahivands peapyeiveedcpeqauedyenst47
`Bulk Transfer Data Sequences.............
`
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`5.9.3.
`Calculating Bus Transaction Times...
`42
`54
`
`5.9.4
`Calculating Buffer Sizes in Fimetionsand Software aschacabaSonsuvedesleytPaseriatesvabvnnedeseSetamaae55
`SACS
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`«56
`
`5.10 Special Considerations for Tsochromous Transfers .....::sccccsssescerserecseserecsesesseensensensesesensacaerasnaseennensdD
`
`5.10.1 Example Non-USB Isochronous Application...
`
`5.10.2 USB Clock Model ianncniiasininencaann
`
`
`5.10.3. Clock Synchronization .
`§.10.4
`Isochronous Devices..........0...02.04. sraenidons
`
`
`§.10.5 Dataeee
`5.10.6 SOF Tracking...
`‘a
`5.10.7 Error Handling...
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`tim
`5.10.8 Buffering for Rate Matching.wavenerces dexsantsroyvaoecsbevinvapsraciveraciveagiesicorceavaverasoeiguriomertiemarveamesbity71
`
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`
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`
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`Cable Assembly...
`6.4
`i
`6.4.1
`Detachable Cable Assemblies...
`
`6.4.2
`Full-speed Captive Cable Assemblies Sessitiazstarnderesatestasucdinatepaedghtocesnttesdrlsbigteaseunncrneederearti16
`6.4.3
`Low-speed Captive Cable Assemblies .........c..cccccccsssecscsscsceetesecsesesneesneseeetncseseseesansecatecseecensneescesuees78
`6.44"|Prohibited Cable Assemiblitss cisisisusseicnaerinnkmeananniniiisiaiianuiaminanniin80
`
`6.5
`Connector Mechanical Coniieeeeand Material Requirements .......0ssererssesscsserseesssesereeresesennee
`6.5.1
`USB leon Location...
`$i
`{abawR pniaatta uatyaiiitlianitanaiart
`6.5.2
`USB Connector Termination Data.
`6.5.3
`Series “A” and Series “B” Receptacles ae;
`3
`Oded»
`
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`
`6.6 Cable Mechanical Configuration and Material Requirements....
`
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`
`6.6.2
`Construction..................:
`:
`
`6.6.3 aphtsaapehaae Geca Po UeEsevaesaaaT iad ei eeen oesmya eapTeapTes Tebheaeeda hee WaaracssamersmmanmeeraleSElectrical Characteristics...
`
`6.6.4
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`
`6.7—Electrical, Mechanical and Environmental Compliance Standards w.ssssssesesreneesssserearerseeerensesnenesendA
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`
`ae!
`
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`
`6.9
`
`PCB Reference Drawitgs....cscssceecsssepeensansessenseeceersesusnsensneessesssesenssersnsnssqsaareesssersereneeasessasensearearencenes LOZ
`
`ZTE/SAMSUNG 1007-0005
`ZTE/SAMSUNG 1007-0005
`IPR2018-00110
`IPR2018-00110
`Huawei v. FISI Exhibit 1011 - 5/327
`
`

`

`Universal Serial Bus Specification Revision 1.1
`
`CHARTER PELECT RIG BL. aici instsceiscvivalncesaisasaanspenketeaplianiacbivuaseiesnie kactsedarann NOL
`
`71
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`USB Driver Characteristics...
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`7.1.4
`Receiver Characteristics......
`well}
`
`7.1.5
`Device Speed Identification...
`wel l4
`7.1.6
`Input Characteristies............
`
`ee llS
`
`7.1.7
`Signaling Levels...
`Dataeemebinidas/vataayaauaadiosaioaiaasealenancabaacansdaatiasuncanabhascesteateonuwitaancedMabtendkton4olulevel
`7.1.8
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`ie“126
`7.1.
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`-11 Data Signaling Rate...
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`-!2. Frame Interval and FrameTnterval‘AdjustatentSepiabocahaaesOSGacdEeveTbasPeaee agea PoconopaaEed 126
`127
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`
`wee 28
`.14 Hub Signaling Timings
`
`130
`15 Receiver Data Jitter...
`na 132
`-16 Cable Delay...
`133
`.17 Cable Attenuation...
`3
`
`aati
`
`-18 BusTurn-around Timeand Iner-packetDelaySewpaisPoncaapevasFaaspasavateseVvasrocaueaestcagutetsngagreancteh133
`
`19° Maximum End-to-end Signal Delay....
`
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`
`7.2
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`7.2.2
`Voltage Drop Budget .........cccsccseeseesneeees
`
`anvlZd
`7.2.3.
`Power Control During Suspend/Resume..
`
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`ecieecsenttescaycend romategertaceraes 140
`7.2.4
`Dynamic Attach and Detach.....................
`
`7.3
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`Regulatory Sequirements:..
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`7.3.
`7.3.2
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`
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`
`8.1
`
`§.2
`
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`
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`
`8.3
`Packet Field Formats ........
`
`8.3.1
`Packet Identifier Field..
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`
`
`
`
`painebeadsSeatonsompboenasanacesapdmagSTARSaARERSTORELAesSehan 186
`Beh
`MRTiti years TADecg Foca exceed chaer ieorgy 157
`8.3.4
`Data Field...
`Pr
`sssggiiathaeaabacnabansaasadsuaadtgeuas piapananainasateanaanaasesaceisabseasecs mmeapeanieaseet
`157
`8.3.5
`Cyclic Redundancy Checks...~SuindiashisnsiasesautolasiaigaistavaasaatelopaustellloaMONEeaeOMUiahaheed 158
`
`8.4
`Bake: To Fes 55 scassastaaseaviosisnseentacivensninionbasabsaivaberstaniansnadandtestesgnedind ineiocina aienina DIAAS
`8.4.1
`Token Packets..........4.-
`
`BAD—Start-of-Frame Packets ccsocssesccsovecssccrssursmocensovsisrecerinemrsnasnrinvesnsresiertnstocinzeieieceencresnitnases| 59
`Bees
`SED TRSoea eLearn Gadoomewals wou at naa aoe atvae4 GIR
`8.4.4
`Handshake Packets.......
`eG
`
`BAS:
`“Haridshiake ReSpeanses oii sisces icseacnsecwces tie yntasie stessevads dal actuatttb ia cainoes sbaabeiaods nine sawbaavesesenaieensetees
`
`vi
`
`ZTE/SAMSUNG 1007-0006
`ZTE/SAMSUNG 1007-0006
`IPR2018-00110
`IPR2018-00110
`Huawei v. FISI Exhibit 1011 - 6/327
`
`

`

`Universal Serial Bus Specification Revision 1.1
`
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`8.5.2
`Control Transfers......
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`Interrupt Transactions.......
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`8.5.3.
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`Data Corrupted or Not Accepted
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`8.7.1
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`
`CHAPTER 9 USB DEVICE FRAMEWORK........::csrsccescesrecnsnsrsesteersesesnseansectnserenes TID
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`9.2.2
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`9.2.3
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`9.3.1
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`9.3.2
`bRequest............
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`9.3.3 wValue....
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`Get Interface......
`
`9.4.5
`Get Status .......
`
`9.4.6
`Set Address.........0
`
`
`9.4.7
`Set Configuration ..
`
`94.8
`Set Descriptor........
`
`94.9
`Set Feature......
`
`
`94.10 Set Interface...
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`
`Vii
`
`ZTE/SAMSUNG 1007-0007
`ZTE/SAMSUNG 1007-0007
`IPR2018-00110
`IPR2018-00110
`Huawei v. FISI Exhibit 1011 - 7/327
`
`

`

`Universal Serial Bus Specification Revision 1-1
`
`Standard USB Descriptor Defimitions..........sscessssssssssscesrscessscresserssenscatsensesenssenesatsssaraceeescssaceaneeseas | OD
`9.6
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`Interface(s) and Endpoint Usage
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`
`
`
`CHAPTER 10 USB HOST: HARDWARE AND SOFTWARE ....c:scresorsrsstereresersee 207
`
`10.1 Overview of the USB Host ........:..sssssssssessensesecsasaassensensnaceenssnsesteseennseacersscesuaepanssecseacsdonstvsesranssseeseeey
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`10.1.2 Control Mechanisms
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`10.1.4 Collecting Status and Activity Statistics ....cccsscseeecsseesssseeetsesnseresesennesesens Attend
`10.1.5 Electrical Interface Comsiderations ......2-..4c:avccsecpeassecnessveresevesrassessnsssnerssencesescssessarsectsasnsersesreaeenes211
`
`10.2 Host Controller Requirements...
`
`10.2.1
`State Handling...
`
`10.2.2 Serializer/Deserializer.
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`10.2.8 Root Hub...
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`10.3.1 Device Configuration...
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`10.5 Universal Serial Bus Driver....scsssscsssessssssssessseessessseersssrsnrssssscsnscssssserssnsnecteessessnereeatacsnsossssnssennssensnien? LD
`10.5.1 USBD Overview ..
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`10.5.2. USBD Command MechanismRequirements...
`
`10.5.3. USBD Pipe Mechanisms...
`10.5.4 Managing the USB via the USBD ‘Mechaniens..ents
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`
`10.5.5 Passing USB Preboot Control to the Operating Systemphagtcascestassaapeissas}eadaiapeainesGoandaneaanaceiteacedtt227
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`
`10.6 Operating System Environment Guides.........ccsesesssssesseneeseserssnesseseessessessseescsnsssveessssaravessasnneenee2D 7
`
`CHAPTER 11 HUB SPECIFICATION ...........cccscsccererssssseeecestsnesenenneseseeeseesnrsnnasnes 229
`
`11.1 Overview ...........
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`11.1.1 Hub Architecture...
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`ones
`
`Viii
`
`ZTE/SAMSUNG 1007-0008
`ZTE/SAMSUNG 1007-0008
`IPR2018-00110
`IPR2018-00110
`Huawei v. FISI Exhibit 1011 - 8/327
`
`

`

`Universal Serial Bus Specification Revision 1.1
`
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`232
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`11.3 Host Behavior at End-of-Frame.....
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`11.3.1 Latest Host Packet.............
`
`11.3.2 Packet Nullification........0..0....00
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`11.5 Downstream Ports..........-.....
`
`11.5.2 Disconnect Detect Timer...
`11.5.1 Downstream Port‘State Descriptions.
`
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`11.7 Hub Repeaterr....tccccscscscscssscscseseee
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`11,10 Hub Reset Behavir.....scsscsrerreers
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`11.13.1 Endpoint Organization ..
`257
`
`11.13.2 Hub Information Architecture andOperation... aMEaETTaeT
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`Ix
`
`ZTE/SAMSUNG 1007-0009
`ZTE/SAMSUNG 1007-0009
`IPR2018-00110
`IPR2018-00110
`Huawei v. FISI Exhibit 1011 - 9/327
`
`

`

`Universal Serial Bus Specification Revision 1,1
`
`11.15 Descriptors...
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`11.16.2 Class-specific Requests...
`
`11.16 Requests...
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`11.16.1 StandardRequestsieuteas
`
`ZTE/SAMSUNG 1007-0010
`ZTE/SAMSUNG 1007-0010
`IPR2018-00110
`IPR2018-00110
`Huaweiv. FISI Exhibit 1011 - 10/327
`
`

`

`Universal Serial Bus Specification Revision 1.1
`
`Figures
`
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`Figure 4-4. Hubs in a Desktop Computer Environment -.........::cscssesusesteestentreasecsesessesensacteeesnesbabnnennetratsceneavsees 23
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`Figure 5-1, Simple USB Host/Device View........ dicazasaugaisaasecion as Da Cag amt ea aan tanta as ba RaceLR apes 25
`Figure 5-2, USB Implementation Areas ..
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`Figure 5-6. USB Logical Bus Topology ........0.cc.i cj eeees ea sete ceed tabs casdeis nes pevsesectesseassensenenneesateeiee 30)
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`Figure 5-7. Client Software-to-function Relationships ...........cccccescccseessceeseseeseeeeseeseceesatensesneeatasecesnensanseesaernaes 30
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