SSS1700B1-USB-Headset-Line-in-Controller-Datasheet-v1原版完整文件

SSS1700B1DataSpecification

Ver.1.0–CreatedonMar.3rd,2021

5F.-1,No.22,TaiyuanSt.,TaiYuenHi-TechIndustrialPark,ZhubeiCity,HsinchuCounty302,Taiwan(R.O.C.)

Allinformationcontainedwithinissubjecttochangewithoutanypriorwrittennotice.CopyrightProtected.Allrightsreserved

USBHeadset/Line-inController

SSS1700B1

Version1.0

WWW.3SYSTEM.COM.TW

Date:2021-03-03

PAGE

10

Declaration

Theinformationcontainedhereinisforevaluationandreferencepurposeonly.Theincorporationofsuchproductsandinformationinthedesignofcustomers’productsshallbedoneunderthefullresponsibilityofthecustomer.

ExceptasprovidedinSolidStateSystemCo.Ltd.(“3S”)termsandconditionsofsales,3Sdoesnotmakeanywarranty,expressorimplied,includingimpliedwarrantiesofmerchantabilityandfitnessforaparticularpurposewithrespecttoany3Sproducts,and3Sdoesnotassumeanyliabilityforinfringementofpatents,copyrightsorotherintellectualpropertyrightsofthirdpartiesbyorarisingfromtheuseof3Sproductsoranyotherliabilityarisingfromtheuseofsuchproducts.

Notice

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Pleasecontacta3Srepresentativefortheapplicationnoteissuedby3Stodesignyoursysteminarightway.

TableofContents

TOC\o"1-1"\h\z\u

ProductFeatures 5

Block&AudioPathDiagram 7

ElectricCharacteristics 8

PinDescription 10

FunctionDescriptions 14

ReferenceApplicationCircuitforLQFP48(U6C)/QFN(Q6C) 19

ReferenceApplicationCircuitforQFN36(QCC) 21

PackageInformation 22

OrderingInformation 25

RevisionHistory 26

ProductOverview

SSS1700is3ShighlyintegratedsinglechipUSBaudiocontrollerwithonchiposcillatortosavetheexternal12MHzcrystalcomponentforheadsetapplication.SSS1700featuressupport96KHz24bitsamplingratewithexternalaudiocodec(24bit/96KHzI2SIn&Out)andhavebuilt-instereo16/24bitsADC,stereo16/24bitsDAC,earphonedriver,five-bandhardwareEQ,audioPLL,USBclockoscillator,andUSBFScontrollerplusPHY.External24C02~24C16EEPROMconnectionprovidesflexibilityforUSBVID/PID/productstring,defaultgainsettings,andothercustomizeddemands.SSS1700providesaminimumBOMsolutionforfeaturedUSBaudiosolutionsinWindows/MAC/AndroidOS.

ProductFeatures

CompliantwithUSBspecificationv2.0fullspeedoperation

CompliantwithUSBaudiodeviceclassspecificationv1.0

Support44.1KHz/48KHz/96KHz、16bit/24bitsamplingrate(EEPROMOption)

Embeddeddigitalmixerwithdefaultmixermuteafterpoweron(controlbyOS)

whenmonoADCisset,bothDACchannelmixedwiththissingleADCdata

whenstereoADCisset,L-chDACmixeswithL-chADCdataandR-chDACmixeswithR-chADCdata

ROMoptionforpowermodesetting(USBbuspower:default100mAorconfiguration500mA)

Defaultsupport16&24bit,48KHzsamplingrateforbothADCandDAC

EmbeddedI2Sinterface(master/slavemode)for16/24bitCODECDAC/ADC(EEPROMOption)

EmbeddedSPDIFIn&Outinterfacefor16/24bitCODECDAC/ADC(EEPROMOption)

Embeddedcrystalessonchiposcillator

SupportsUSBsuspend/resumemode

EmbeddedUSBtransceiverforUSBinterface

Forheadsetfunction,USBaudiofunctiontopologyhas2inputterminals,2outputterminals,1mixerunit,1selectorunit,and3featureunits(someunitscanbeenabledbyROMcodeoption)

Supportonecontrolendpoint,oneisochronousoutendpoint,oneisochronousinendpoint,oneinterruptinendpoint(HIDusesinterruptinandcontrolout)

AlternatezerobandwidthsettingforreleasingplaybackbandwidthonUSBbuswhenthisdeviceisinactive

Volumeup,volumedown,playbackmute,recordmute,nexttrack,previoustrack,stopandplay/pausepinfordirectusercontrol

TwowireserialbusforexternalMCUcontrol

WholeEEPROMspacecanbeaccessedviaMCU

USBHIDforhostcontrolsynchronization

ExternalserialEEPROM(24C02~24C16)interfaceforvendorspecificUSBVID,PID,productstring,serialnumber,defaultgain,defaultEQsetting,playback/recordenable,andotheroptions

EEPROMwritefunctionviaHIDformassproductionconvenience

PreloadedVID,PID,andproductstringanddesignoptionswithsettingpriority:1stisexternalEEPROMand2ndisembeddedROM

Vendorspecificrequestsandnewdummyregister(10XX_10XX;whereXXcanbesetbyregisterwriteandreadbackforverify)forsoftwareprotect

GPIOandMCUinterfaceregisterread/writeviaHID

TrueGroundCap-lessHeadphoneAmplifiersolution

SupportCTIA/OMTPautoswitchforTRRSAudioJack

SupportADKeydetect

SupportRGBLED(EEPROMOption)

SupportHIDKeyboard(EEPROMOption)

SupportIICinitialforexternalCodec(EEPROMOption)

Embedded1.2VPOR

Embedded5Vto3.3V(with250mAcapability)and3.3Vto1.2Vregulatorsforsingleexternal5Vpowersupply

Embeddedrotaryencoderinterfaceforvolumecontrol(EEPROMOption)

1.2VdigitalcoreandaudioPLLoperation,3.3VUSBPLLoperationandADC/DACoperation

CompatiblewithWinXP,Win7,Win10,MacOS,LinuxOSandAndroidOSwithoutadditionaldriver

Block&AudioPathDiagram

BlockDiagram

AudioPath

ElectricCharacteristics

AbsoluteMaximumRating

PARAMETER

SYMBOL

VALUE

UNIT

SupplyVoltage

VCC5A

-0.3to+5.5

V

DCInputVoltage

Vin

-0.3to+3.6

V

OperatingTemperature

Topr

0to80

0C

StorageTemperature

Tstg

-20to+120

0C

HumanBodyModelESD

HBM

4000

V

MachineModelESD

MM

200

V

DCCharacteristics

PARAMETER

SYMBOL

MIN

TYP

MAX

UNIT

RegulationSupplyVoltage

VCC5A

4.5

5

5.5

V

RegulationOutputVoltage

VCC33

3.0

3.3

3.6

V

VCC12

1.08

1.2

1.32

V

RegulationDrivingCapability

REGdrv33

150

mA

REGdrv12

100

mA

CODECSupplyVoltage

VDDCP

3.0

3.3

3.6

V

AVDD

3.0

3.3

3.6

V

EarphoneDriverSupplyVoltage

HPVDD

1.48

1.65

1.8

V

HPVSS

-1.48

-1.65

-1.8

V

MicrophoneBiasVoltage

MICBIAS

2.25

2.5

2.75

V

IOSupplyVoltage

VCCIO

3.0

3.3

3.6

V

IOInputVoltage

Vin

-0.3

3.3

3.6

V

CoreSupplyVoltage

VCCK

1.08

1.2

1.32

V

ACCharacteristics

HeadphoneOutput(A-Weighted)

PARAMETER

CONDITION

MIN.

TYP.

MAX.

UNIT

PmaxOutputpower@1%THD+N

RL=32!1,VCC33A=3.3V

--

28

--

mW

SNR(Signal-to-noiseratio)

Idlechannel

--

91

--

dB

THD+NTotalharmonicdistortion

1KHz@-3dB;32!1load;10mW

--

-75

--

dB

MicrophoneInputCharacteristics

SYMBOL

PARAMETER

MIN

TYP

MAX

UNIT

AMP

Microphonegainamplification

-4.5

+21

dB

MicrophonegainBoost

+21

dB

GSTEP

ADCgainstep

0.75

dB

DR

Dynamicrange@997Hz-60dBFSgain=0dB

91

dB

SNR

SNR@idlechannelgain=0dB

91

dB

THD+N

THD+N@997Hz-3dBFSgain=0dB

-85

dB

FS

Signalfullscaleinputgain=0dB

0.75*VCC33A

V

PinDescription

PinOutChartfor48PinLQFP/QFN

PinOutChartfor36PinQFN

PinListTable

U6C/Q6C

Pin

QCC

Pin

Symbol

IOType

Normalstatus

Description

Mark

1

1

VBUS

P

P

5VPowerinput

2

2

V33

P

P

3.3VPoweroutput

3

3

VSSA

P

P

Ground

4

4

V12

P

P

1.2VPoweroutput

5

5

DP

AIO

AIO

USBdataD+

6

6

DM

AIO

AIO

USBdataD-

7

KEY_RENC_INV

IO,PU

I

Button&rotaryencoderfunctionchange

1:normal(HID/hardwareGaincontrolfunctiondefineinrom)

0:functionchange(HID/hardware

Gaincontrolfunctionswap)

8

7

LEDO

IO,PD

O

LEDOut(togglingfordatatransmit)

9

8

INSEL

IO,PU

I

Lineinmodeselect

10

MSEL

IO,PU

I

Mixerenable

1:enablemixer 0:disablemixer

11

9

MUTEP

IO,PU

I

PlaybackMute

12

10

MUTER

IO,PU

I

RecordMute

13

STEREO_MIC

IO,PU

I

MICSelect

1:STEREO(forEEPROMoption)0:MONO(normalsetting)

14

11

VOLUP

IO,PU

I

Volumeup

15

12

VOLDN

IO,PU

I

Volumedown

16

13

PLAY_EN

IO,PU

I

PLAYEnableoption

0:disable1:enable

17

REC_EN

IO,PU

I

RECEnableoption

0:disable 1:enable

18

14

SCL_24C0X

IO,PU

O

ExternalROM(24C0X)serialbus

clockpin

19

15

SDA_24C0X

IO,PU

IO

ExternalROM(24C0X)serialbusdata

pin

20

NEXT_TRACK

IO,PU

I

NextTrack

21

PRE_TRACK

IO,PU

I

PreviousTrack

22

16

PLAY_PAUSE

IO,PU

I

PLAY/PAUSE

23

17

VR_MUTE

IO,PD

O

Recordmuteindicator

24

STOP

IO,PU

I

stop

25

VP_MUTE

IO,PD

O

Playmuteindicator

26

18

SLEEVE

Ground/Ana

logInput

Analog

Input

Microphoneorground,connectto

SLEEVEofheadsetjack

27

19

GNDHP

Ground

Ground

HeadphonegroundconnecttoPCB

analogground

28

20

RING2

Ground/Ana

logInput

Ground

Microphoneorground,connectto

RING2ofheadsetjack

29

21

MIC1

AnalogInput

AnalogInput

TheDCinputfortheanalogaccessorydetect,connecttoMICBIASwith2.2k

Ohmresistance.

30

22

MICBIAS

AnalogO

AnalogO

Microphonebiasvoltageoutput

31

23

MIC1N

AnalogI

AnalogI

Microphoneinput(ACcoupled)

32

24

MIC1P

AnalogI

AnalogI

Microphoneinput(ACcoupled)

33

25

MIC2P

AnalogI

AnalogI

Microphoneinput(ACcoupled)

34

26

AVDD

P

P

Analogpowersupply3.3Vtyp.

35

27

VMID

AnalogIO

AnalogIO

Mid-railreferencedecouplingpoint

36

28

AVSS

P

P

Analogground

37

29

HPVSS

NegativePower

NegativePower

Headphonedrivernegativepower

supply-1.65V,connecttoVCPNonPCB

38

30

RHPOUT

AnalogO

AnalogO

Rightchannelheadphonedriveroutput

39

31

LHPOUT

AnalogO

AnalogO

Leftchannelheadphonedriveroutput

40

32

HPVDD

Power

Power

Headphonedriverpowersupply

1.65V,connecttoVCPPonPCB

41

VCPP

AnalogO

AnalogO

Chargepumppositiveoutput,for

headphonedriverpowersupply.

42

33

VCPN

AnalogO

AnalogO

Chargepumpnegativeoutput,for

headphonedriverpowersupply.

43

34

CFLYN

AnalogO

AnalogO

Chargepumpflyingcapacitorpin

44

GNDCP

P

P

Chargepumpground

45

35

CFLYP

AnalogO

AnalogO

Chargepumpflyingcapacitorpin

46

36

VDDCP

P

P

Chargepumppowersupply

47

TEST

I,PD

I

Testmode

0:normal 1:testmode

48

EQ3D_LED

IO,PU

I

EQ&3DLEDOut

FunctionDescriptions

AutomaticGainControl(AGC)

SSS1700hasAGC(AutomaticGainControl)function.ItcanbeusedtoautomaticallyadjusttheoutputrangeofADC,whichcanletADCoutputsremaininastablerange.AGCcontrolschematicdiagramasbelow,thegainadjustablerangeis-23dB~+40dB,witheachstep1dBadjusted.

AGCparametersettingcanbesetinEEPROM.Thecontrolfeaturesincludestabilityoftime,errorrange,activemanner,holdtime,speedadjustingandsonon,theseparametersneedforindividualsettings.Itsoperationaldiagramrefersasbelow:

AGCtuningistargetedatwithintwobluelines.Showninfrontofdiagram,signalisbelowthebluelineinterval,thenAGCamplifierthesignaltothebluerange.Similarlyintheillustration,thesignalisovertheblueinterval,andthenAGCwilldownthesignaltothebluerange.

*AGCfunctionisonlyvalidforbuilt-inADCofSSS1700

MULTIFUNCTIONKEY(4Key)

SSS1700supportmaximum4multifunctionkeys.ByEEPROMsettings,eachmultifunctionkeycanhaveuptofourdifferentbuttonoperationmanners.Fourkindsofdifferentbuttonoperationare"ashortpress","consecutivetwoshortpress","ashortandalongpress"and"alongpress".Eachmultifunctionkeycorrespondstodifferentcontrolmannerfordifferentfunctiondemand,sothatcanachievethepurposeofstreamliningthekeynumberofrequirements.Settingdiagramisasfollows:

Keyinputcanbesetfrom: Functionoutputcanbeassignto:

LEDFLASH

SSS1700hasthefunctionofstereoaudiowavegradientindicator.ByEEPROMsettings,canprovideuptosixindicationsignals(thedifferencebetweenL/R,foreachchannelsharethreeindicationsignals).IndicationsignalcanbeconnectedtoLEDtobeaudiooutputgradientindicator.Whentheaudiosignaliszero,theLEDscanbesetforasbreathinglightstoincreaseproductdiversity.

Thefollowingisafunctionaldiagram:

Whensettingforaudiooutputindicator,itcanbeadjustedinaccordancewiththedesiredoutputrange;eachindicatorsignalscanhave16levelstodoproposedaudiosettings.

Five-bandEqualizer

SSS1700onplaybackpathbuilt5BandEQfunctionstoprovideusertomakesoundeffectadjustment.Thesefrequenciesoffive-bandEQarefixedat60Hz,300Hz,1.2KH