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2022年12月28日发(作者：special english)

OV7620ProductSpecifications-Rev.1.3(5/13/00)

PreliminaryCompanyConfidential

OV7620SINGLE-CHIPCMOSVGACOLORDIGITALCAMERA

Features

•326,688pixels,1/3”lens,VGA/QVGAformat

•Readout-progressive/Interlace

•Dataformat-YCrCb4:2:2,GRB4:2:2,RGBRawData

•8/16bitvideodata:CCIR601,CCIR656,ZVport

•VideoTiming-525line,30fps

•Widedynamicrange,anti-blooming,zerosmearing

•SCCB(SerialCameraControlBus)interface

•Electronicexposure/Gain/whitebalancecontrol

•Imageenhancement-brightness,contrast,gamma,saturation,

sharpness,window,etc.

•Internal/externalsynchronizationscheme

•Frameexposure/lineexposureoption

•5Voltoperation,lowpowerdissipation.

GeneralDescription

OV7620isahighlyintegratedhighresolution

(640x480)Interlaced/ProgressiveScanCMOSdigital

color/black&ital

videoportsupports60HzYCrCb4:2:216Bit/8Bitfor-

mat,ZVPortoutputformat,RGBrawdata16Bit/8Bit

outputformatandCCIR601/lt-

inSCCBinterfaceprovidesaneasywayofcontrolling

thebuilt-incamerafunctions.

•VideoConferencing

•VideoPhone

•VideoMail

•StillImage

•PCMultimedia

OV700148-PinOutDiagram

654321

O-

AGND

AVDD

PWDN

VRS

VCCHG

SBB

VTO

AVDD

AGND

VSYNC/CSYS

FODD/SRAM

HREF/VSRAM

DOGND

DOVDD

PCLK/OUTX2

Y7/CS0

Y6/CS2

Y5/SHARP

Y4/CS1

Y3/RAW

Y2/G2X

Y1/PROG

Y0/CBAR

CHSYNC/BW

OV7620

ArrayElements664x492

PixelSize7.6x7.6um

ImageArea4.86x3.64mm

Electronic

Exposure

500:1

ScanMode

progressive

interlace

Gamma

Correction

128CurveSettings

Seespecifics

Minimum

Illumination

2.5lux@f1.4

0.5lux@f1.4

(3000K)

S/NRatio>48dB

PowerSupply5VDC,±5%

Power

Requirements

<120mWActive

<10uWStandby

Package48-pinLCC

OV7620ProductSpecifications-Rev.1.2(5/13/00)OMNIVISIONTECHNOLOGIESINC.

PreliminaryCompanyConfidential

SECTION1

PRODUCTOVERVIEW

OV7620isahighlyintegratedhighresolution(640x480)Interlaced/ProgressiveScanCMOS

digitalcolor/black&italvideoportsupports60HzYCrCb4:2:2

16Bit/8Bitformat,ZVPortoutputformat,RGBrawdata16Bit/8BitoutputformatandCCIR601/

lt-inSCCB(SerialCameraControlBus)interfaceprovidesaneasyway

ofcontrollingthebuilt-incamerafunctions.

1.1FEATURES

•Singlechipdigitalcolor/black&whitevideocamerachip.

•Scanning-Interlaced/ProgressiveScan.

•Format-1/3”lenscompatible.

•Imagearea-4.86X3.64mm.

•Totalactivepixelelements-(H)664x(V)492squarepixel.

•Defaultactivepixelelement-(H)640x(V)480.

•Pixelsize:7.6x7.6um.

•10BittwochannelinternalA/DConverterand8/10BitOutput.

•PCLKandHREFpolarityprogrammable.

•DigitalOutputformat-

YCrCb16bit/8bitlectable

60Hz16BitYCrCb4:2:2-640x480

60Hz8BitYCrCb4:2:2-640x480

RGBRawDataDigitalOutput16Bit/8Bitlectable

•Two-lineoutput:

•YChannel:BGBGBG...

•UVChannel:GRGRGR...

Two-linealternateoutput:

YChannel:GGGGGG...

UVChannel:BRBRBR...

One-lineoutput,uYChannelonly,effectiveonlyinProgressiveScanMode

1stline:BGBGBGBG...

2ndline:GRGRGRGR...

•CCIR601/CCIR656standard.

•YCrCBorYUVoutputformattosupportTVormonitordisplay

•ZVPortYUV16Bitformat.

•QVGAformat(320x240).

•Y/UVorRGBoutputbyteMSBandLSBswap.

•SCCBinterface,supportfastmode:400kBit/s.

•ExternalFieldSyncinput.

•ExternalHorizontal/VerticalSyncinputformat,OV7620workedasslavechip.

•Supportexternalmicro-controllerandRAMinterface

•ProgressiveScanmode:supportwhole-frameexposure.

•Programmableframerate-0.5to30fps.

•Electronicshuttertting(u27Mhzcrystalanddefaultclockrate).

Interlaced:1/60to

15734

(s)

OV7620ProductSpecifications-Rev.1.2(5/13/00)OMNIVISIONTECHNOLOGIESINC.

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ProgressiveScan:1/30to1/15734(s)

•AGC(+24dB)-auto/programmable.

•PreAmpGain6/12db.

•Auto-Exposure-ratioprogrammable.

•Whitebalance-auto/programmable.

•Auto-White-Balance-ratioprogrammable.

•Brightness&contrastadjustment.

•ColorSaturationadjustment.

•Aperturecorrection.

•Multiplegammacorrectioncurvelection.

•Multipleluminancegammacorrectioncurvelection.

•S/Nratio>48dB.

•Software/HardwareRet.

•Software/hardwarepowersavingcontrol

•Minimumillumination2.5luxatf1.4(3000k).

•Opticalfillfactoris40%.

•Supply:5voltforanalogandDigitalcircuit;5voltor3.3voltfordigitalinterface.

•Powerconsumption<120mW.

•Power-savemode<10uA.

•ChipSCCBID:010CS2CS1CS01R/W(CS2CS1CS0lectbyPINwhenpower-on,default0).

•48pinpackage.

OV7620ProductSpecifications-Rev.1.2(5/13/00)OMNIVISIONTECHNOLOGIESINC.

PreliminaryCompanyConfidential

1.2PinAssignments

Table1:PinDescriptions(Pintypeanddefaultlevel:I-1:digitalinput+10kpullup;I-0:digitalinput+10kpull

down,XI/XO;xtalIO;/Secondaryfunctionsaretduringpowerup;O/I:digitalCMOSleveloutputBias:power

supplybias.).

Pin#NameClassFunction

1SVDDBiasSensingPower(+5V)pins.

8,14,44AVDDBiasAnalogPower(+5V)pins.

29DVDDBiasDigitalPower(+5V)pins.

32DOVDDBiasDigitalI/OPower(+5V/+3.3V)pins.

ttosupplycommon

6,7,15,ttosupplycommon

ttosupplycommon

31DOGNDBiasDigitalOutputgroundconnection.

2RESETIChipret,“high”active.

3AGCEN/RAMINTI-IAGCEN==0disablesit.

ThispinttingiffectivewhenpinSBB=1.

RAMINT=1initializesframetransfer.

4FREXIFrameexposurecontrolinput,effectiveinprogressivescanonly.

ThepositivewidthofFREXdefinestheexposuretime.

esan0.1uFdecouplingcapacitor

toground.

9PWDNI-0PWDN=1putschipinpowerdown(sleep)mode.

esan0.1uFdecouplingcapacitor

toground.

esan1.0uFdecouplingcapacitor

toground.

12SBBISBB=1lectsthepower-upmethodofprogrammingtheinternal

=0lectstheSCCBpinprogrammingmethod.

Resultsofthepower-upmethodcanonlybechangedbyanew

power-uporretquence.

13VTOOVideoTestOutput(NTSC)

16VSYNC/CSYSO/IVSYNC:nisasrtedhighduringv-

eralscanlinesintheverticalsyncperiod.

CSYS:tusingSCCB,a10kpullup

changespin42(CHSYNC)toCSYS.

17FODD/SRAMO/IFODD:edhighduringtheoddfield,lowduring

theevenfield.

SRAM:ExternalSRAM

18HREF/VSFRAMO/IHREF:highduringthe

activepixelwindow,otherwilow.

VSFRAM:VerticalSyncFrame.

19UV7/B8O/IUV7:7udfor16-bitoperationforout-

puttingchrominancedata.

B8:Switchfor8bitmodeluminance/tis16

bitmode.

20UV6/BPCLRO/IUV6:6udfor16-bitoperationforout-

puttingchrominancedata.

BPCLR:BypassRGBcolormatrix.

21UV5/MIRO/IUV5:5udfor16-bitoperationforout-

puttingchrominancedata.

MIR:Mirror.

OV7620ProductSpecifications-Rev.1.2(5/13/00)OMNIVISIONTECHNOLOGIESINC.

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22UV4/SLAENO/IUV4:4udfor16-bitoperationforout-

puttingchrominancedata.

SLAEN:SlaveEnable.

23UV3/ECLKOO/IUV3:3udfor16-bitoperationforout-

puttingchrominancedata.

ECKLO:Swapclockoutput-changespin17(FODD)toXCLKout.

24UV2/QVGAO/IUV2:2udfor16-bitoperationforout-

puttingchrominancedata.

QVGA:QVGAformat(320x240)

25UV1/CC656O/IUV1:1udfor16-bitoperationforout-

puttingchrominancedata.

CC656:CCIR656mode.

26UV0/GAMDISO/IUV0:0udfor16-bitoperationforout-

puttingchrominancedata.

GAMDIS:DisablesChromaGamma(RGB).

27,28XCLK1,XCLK2XO,XIXCLK1andXCLK2aretheinput/outputoftheon-chipvideooscilla-

ternalclockis

ud,inputtoXCLK1,leaveXCLK2unconnected.

33PCLK/OUTX2O/IPCLK:ult,dataisupdatedatthefalling

nsatthepixel

ratein16-bitbusoperationsandtwicethepixelratein8-bitbus

operations

OUTX2:Doublescurrentoutput.

34Y7/CSOO/IY7:16-bitoperation,theluminancedatais

8-bitoper-

ation,theluminancedataandthechrominancedataismultiplexed

tothisbus.

CSO:IDconfiguationbitfortheSCCBslaveID.

35Y6/CS2O/IY6:16-bitoperation,theluminancedatais

8-bitoper-

ation,theluminancedataandthechrominancedataismultiplexed

tothisbus.

CS2:IDconfiguationbitfortheSCCBslaveID.

36Y5/SHARPO/IY5:16-bitoperation,theluminancedatais

8-bitoper-

ation,theluminancedataandthechrominancedataismultiplexed

tothisbus.

SHARP:EnableAnalogSharpness.

37Y4/CS1O/IY4:16-bitoperation,theluminancedatais

8-bitoper-

ation,theluminancedataandthechrominancedataismultiplexed

tothisbus.

CS1:IDconfiguationbitfortheSCCBslaveID.

38Y3/RAWO/IY3:16-bitoperation,theluminancedatais

8-bitoper-

ation,theluminancedataandthechrominancedataismultiplexed

tothisbus.

RAW:RawData.

39Y2/G2XO/IY2:16-bitoperation,theluminancedatais

8-bitoper-

ation,theluminancedataandthechrominancedataismultiplexed

tothisbus.

G2X:Gain2X.

Pin#NameClassFunction

OV7620ProductSpecifications-Rev.1.2(5/13/00)OMNIVISIONTECHNOLOGIESINC.

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40Y1/PROGO/IY1:16-bitoperation,theluminancedatais

8-bitoper-

ation,theluminancedataandthechrominancedataismultiplexed

tothisbus.

PROG:ProgressiveScanMode.

41Y0/CBARO/IY0:16-bitoperation,theluminancedatais

8-bitoper-

ation,theluminancedataandthechrominancedataismultiplexed

tothisbus.

CBAR:ColorBarTestPattern.

42CHSYNC/BWO/ICHSYNC:Digitaloutputforeithercompositesyncorhorizontalsync

signal.

BW:EnablesBlack&White.

45SIO-1ISCCBSerialclockinputwithschmitttrigger.

46SIO-0IOSCCBSerialdata,inputwithschmitttrigger.

47MIDI-0MultipleSCCBslaveIDenable.

MID=1SCCBslaveIDisconfigurablethroughpowerupttingin

CS(2:0)

MID=0SCCBslaveIDispretto42H/43H.

Pin#NameClassFunction

OV7620ProductSpecifications-Rev.1.2(5/13/00)OMNIVISIONTECHNOLOGIESINC.

PreliminaryCompanyConfidential

1.3CHIPOPERATION

ReferringtoFIG1.1,OV7620includesa664x492resolutionimagearray,ananalogsignalpro-

cessor,dual10bitA/Dconverters,analogvideomux,digitaldataformatterandvideoport,SCCB

interfacewithitsregisters,thedigitalcontrolsincludingtimingblock,exposureblockandwhite

balance.

FIG1.1OV7620BlockDiagram

OV7620isa1/sorcontainsapproximately326,688pixels.

Itisbaonfieldintegrationread-outsystemwithline-by-linetransferandanelectronicshutter

orfilterofthensorconsistsofprimarycolor

RG/GBarrayarrangedinlinealternatingfashion.

RVO

BUO

GYO

image

columnnamp

array

VcSAT

GAMMA

whiteexposure

detect

control

balance

detect

AWB

AGCEN

XVCLK1

(664X492)

RGB

1/2

sys-clk

AWBTH/

VcCNT

FODD

VSYNC

HREF

PCLK

video

timing

generator

FZEX

exposure

control

VrEQ

VcSHP

FREZ

CHSYNC

ADC

Y(7:0)

UV(7:0)

SCCB

interface

SIO-1

SIO-0

registers

ADC

analog

processing

FSINMIR

DENB

PROG

AWBTM

SBB

OV7620ProductSpecifications-Rev.1.2(5/13/00)OMNIVISIONTECHNOLOGIESINC.

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Themajorityofsignalprocessingisperformedintheanalogprocessingblock,whichdoescolor

paration,matrixing,AGC,gammacorrection,colorcorrection,colorbalance,blacklevelcali-

bration,kneesmooth,aperturecorrection,controlsfortheluminanceandchrominancepicture

logvideosignalsarebadontheformula:

Y=0.59G+0.31R+0.11B;whereR,G,Bistheequivalentcolorcomponentsineachpixel

U=R-Y;

V=B-Y;

AnotheroutputdataformatisYCrCb,itsformulaisasfollows:

Y=0.59G+0.31R+0.11B

Cr=0.713x(R-Y)

Cb=0.564X(B-Y)

TheYCrCb/RGBRawDatasignalisfedtotwo10bitA/Dconverters,onefortheY/R&Gchan-

nel,oneissharedbyCr&Cb/B&/Dconverteddatastreamisfurthercondi-

tionedinthedigitalformatter,finallythe16bitor8bitdatamuxingisdoneinthedigitalvideoport.

Theon-chip10bitA/Dcanoperateupto13.5MSPS,sinceitisfullysynchronoustothepixel

rate,/Dblack-level-calibrationcircuitry

ensurestheblacklevelofY/RGBistranslatedtovalue16,andthepeakwhitelevelislimitedto

240;CrCbblacklevelis128,Peak/Bottomis240/dataoutputrangeis16/240,0&

7620supportnon-CCIRstandardoutputrange,thatis1/254,

0and255arerervedforsyncflag.

Thecomputationintheelectronicexposurecontrolisbadonthebrightnessofthefullimage.

Theexposurealgorithmisoptimizedfornormalscenewhichassumingthesubjectiswell-litrel-

ofadifferentbacklightcondition,thereisalsoaAECWhite/

Blackratiolectionregister,whichcanbeudasAECalgorithmadjustmenttogetspecialim-

achievepropercolortemperature,

isaparatesaturation,brightnesscontrastandsharpnessadjustmentforfurtherfinetuningof

7620provideatofregistertocontrolWhiteBalanceratioregisterwhich

canbeudasincrea/decreaimagefieldRed/ca,thede-

faultttingmaybesufficient.

Thewdow

issizabl-

edthisfunctiondoesnotchangetheframerateordatarate,itsimplychangetheasrtionofthe

HREFtomal

applicationforthisishardwarezooming,toutputwindowis640x480.

Thedigitalvideoportoffers16bit4:2:2formatcomplyingtothe60HzCCIR601timingstandard.

OV7620alsosupports8bitdataformatinCbYCrYorderbyusingportYonlyandrunningat

hanthe16bitdatabus,OV7620supplies

standardvideotimingsignalssuchasVSYNC,HREF,PCLK,FODD,CHSYNC.

idesVSYNC,CHSYNC,PCLKand

16Bitdatabus:Y<7:0>andUV<7:0>.PCLKrisingedgeclockdatabusintoZVport.

OV7620ProductSpecifications-Rev.1.2(5/13/00)OMNIVISIONTECHNOLOGIESINC.

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Todecreadatatransferratewhilehighresolutionimageunnecessary,OV7620provideaso-

lution,

ineonlyoutputonehalf

erlacedMode,allfieldlineoutput(320),forProgressiveScanMode,onlyonehalf

linedataoutput.

ThedigitalvideoportalsoofferRGBRawData16Bit/putquenceis

matchedtoOV7620ColorFilterPattern,thatisUVchanneloutputquenceisGRGR...,Y

ChanneloutputquenceisBGBG,....To8BitRGBRawdataoutputformat,justuYchannel

anddisableUVchannel,outputquenceisBGRG....

OV7620supportCCIR656YCrCb4:2:(StartofActiveVideo)and

EAV(EndofActiveVideo)osition

ucanget8bitRGBrawdatawith

SAVandEAVinformation.

tandardYUV4:2:risUV

quenceswapformat,thatmeansUVchanneloutputVUVU...(16Bit)andVYUY...(8Bit).

The3rdformatisY/UVquenceswapin8Bitoutput,thatisYUYV....

OV7620canbeuasblack&mode,it’sverticalresolutionwillbehigher

(Y/RGB)

outputrateissameas16Bitmode.

OV7620canbeprogrammabletoswapY/UVorRGBoutputbyteMSBandLSB.Y7-Y0default

ap,Y7isLSBandY0isMSB,relativemiddle

bitsareswapped.

Animportantfactoraboutdigitalcameraishowconvenienttheinterfaceis,OV7620hasmade

theframerateprogrammableandtheA/ially,itis

heinternalAEChasarangeof1:260,and

AGChave24dB,forthemostofapplications,thecameracanadjustitlftomeetthelighting

conditionwithouturintervention.

OV7620supporthardware/softwareRESETfunction:whenRESETpintietohigh,wholechip

resleepingmode:whenPWDNtietohigh,chipclock

ereisaSCCBcontrolsoft-

wareretcontrolregister12bit7,whichissameashardwareRESETpinfunction.

OV7620hardwarerettimeminimumis1ms.

OV7620supporthardware/ePWDNpintietohigh,whole

twarepowerdown

control,rdownmode,allSCCBregistervalue

willbekept.

TwocontrolmechanismhavebeenbuiltintoOV7620:eread-inofpinstatesatpower

uporRESETstatus,includinghardwareandsoftwareret;hods

aremutuallyexclusive,onlyoneisudatatime,Ahaslimited

accesstofullchipfeatures.

Thepowerupretmethodisaonetimetting,s

OV7620ProductSpecifications-Rev.1.2(5/13/00)OMNIVISIONTECHNOLOGIESINC.

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rup,thevideoportis

initiallytri-stated,allowingtheexternalpull-up/pull-downresistortotthedefaultoperatingcon-

ditions,ailofthepoweruppin

controlmethodixplainedintheindividualpinoutction.

ailisintheSCCBregistert.

OV7620ProductSpecifications-Rev.1.2(5/13/00)OMNIVISIONTECHNOLOGIESINC.

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1.4VIDEOFORMAT

Table1.1:4:2:216bitFormat

DataBusPixelByteSequence

Y7Y7Y7Y7Y7Y7Y7

Y6Y6Y6Y6Y6Y6Y6

Y5Y5Y5Y5Y5Y5Y5

Y4Y4Y4Y4Y4Y4Y4

Y3Y3Y3Y3Y3Y3Y3

Y2Y2Y2Y2Y2Y2Y2

Y1Y1Y1Y1Y1Y1Y1

Y0Y0Y0Y0Y0Y0Y0

UV7U7V7U7V7U7V7

UV6U6V6U6V6U6V6

UV5U5V5U5V5U5V5

UV4U4V4U4V4U4V4

UV3U3V3U3V3U3V3

UV2U2V2U2V2U2V2

UV1U1V1U1V1U1V1

UV0U0V0U0V0U0V0

YFRAME012345

UVFRAME024

Table1.2:4:2:28bitFormat

DataBusPixelByteSequence

Y7U7Y7V7Y7U7Y7V7Y7

Y6U6Y6V6Y6U6Y6V6Y6

Y5U5Y5V5Y5U5Y5V5Y5

Y4U4Y4V4Y4U4Y4V4Y4

Y3U3Y3V3Y3U3Y3V3Y3

Y2U2Y2V2Y2U2Y2V2Y2

Y1U1Y1V1Y1U1Y1V1Y1

Y0U0Y0V0Y0U0Y0V0Y0

YFRAME0123

UVFRAME0123

OV7620ProductSpecifications-Rev.1.2(5/13/00)OMNIVISIONTECHNOLOGIESINC.

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FIG1.2PixelDataBus(YUVOutput)

Note:7620systemclockis27MHz,Tclk=74nsfor16Bitout-

put;Tclk=REFt-uptime,maximumis15ns;ThdisHREFhold

time,maximumis15ns.

Y<7:0>

PCLK

HREF

UV<7:0>

1010YY

8080UV

repeatforalldatabytes

PixelData16bitTiming

Y<7:0>

PCLK

HREF

repeatforalldatabytes

PixelData8bitTiming

UYVY80101080

UPCLKrisingedgelatchdatabus

Tsu

Thd

Tclk

Tsu

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1.5RGBRawDataFormat

RGBRawdataoutputfromYandUVport.

UVportoutputdataquence:GRGRGR...orBRBR...(refertoregister28bit2)

Yportoutputdataquence:BGBGBG...orGGGG...(refertoregister28bit2)

ArrayColorFilterPatterisBayer-Pattern

1.5.1InterlacedMode16BitFormat(HREFtotal242)

1.5.1.1Defaultmode:InODDFIELD,1stHREFoutputUVchannelis2ndline:G

...andYchannel

isRow1:B

....2ndHREFoutputUVchanneloutput4thline:G

...andYportoutput

3rdline:B

...,sshouldbelatchedbyPCLKrisingedgeandrelatedtotheexactphys-

icalpositionInEvenFIELD,1stHREFYchanneloutputB

...andUVchanneloutputG

...2ndHREFYchanneloutputB

...andUVoutputG

....

1.5.1.2YGmode:InODDFIELD,1stHREFYchanneloutputG

...andUVchannelisB

....2ndHREFYchanneloutputG

...andUVchanneloutputB

....InEVEN

FIELD,1stHREFYchanneloutputG

...andUVchanneloutputB

...2ndHREF

channeloutputG

...andUVchanneloutputB

...

Table1.3:

RC1234.641642643644

BGBG

GRGR

BGBG

GRGR

BGBG

481BGBGBGBG

482GRGRGRGR

483BGBGBGBG

484GRGRGRGR

485BGBGBGBG

OV7620ProductSpecifications-Rev.1.2(5/13/00)OMNIVISIONTECHNOLOGIESINC.

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1.5.2ProgressiveScanMode16BitFormat(HREFtotal484)

1.5.2.3Defaultmode:1stHREFUVchanneloutputunstabledata,YoutputB

....2ndHREFUV

channeloutputG

...,YoutputB

...3rdHREFUVchanneloutputG

...,

YoutputB

....Everylinedataoutputtwice.

1.5.2.4YGmode:1stHREFYandUVoutputunstabledata.2ndHREFYchanneloutputG

...,UV

outputB

...3rdHREFYisG

...,UVchannelisB

...Everylinedataout-

puttwice.

1.5.2.5Onelinemode:1stHREFYchanneloutputB

...,2ndHREFYchanneloutputG

...,neltri-state.

1.5.3InterlacedMode8Bit(242HREF)

1.5.3.6ODDFIELD:1stHREFYchanneloutputB11G21R22G12...2ndHREFYchanneloutputB31G41R42

G32...,neltri-state.

1.5.3.7EVENFIELD:1stHREFYchanneloutputB31G21R22G32...2ndHREFYchanneloutputB51G41R42

G52...,neltri-state.

1.5.4ProgressiveScanMode8Bit(484HREF)

1.5.4.81stHREFYchanneloutputunstabledata.2ndHREFYchanneloutputB11G21R22G12...2ndHREFY

channeloutputB31G21R22G32...,-

inedataoutputtwice.

RGBrawdatatimingchartisasfollows:

OV7620ProductSpecifications-Rev.1.2(5/13/00)OMNIVISIONTECHNOLOGIESINC.

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FIG1.3PixelDataBus(RGBOutput)

Note:7620systemclockis27MHz,Tclk=74nsfor16Bitout-

put;Tclk=REFt-uptime,maximumis15ns;ThdisHREFhold

time,maximumis15ns.

UV<7:0>

PCLK

HREF

Y<7:0>

1010GR

1010BG

repeatforalldatabytes

PixelData16bitTiming

Y<7:0>

PCLK

HREF

repeatforalldatabytes

PixelData8bitTiming

10GG

PCLKrisingedgelatchdatabus

Tclk

Thd

Tsu

OV7620ProductSpecifications-Rev.1.2(5/13/00)OMNIVISIONTECHNOLOGIESINC.

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1.6ZVPortInterlaceTiming

TheZVPortisasingle-sourceuni-directionalvideobusbetweenaPCCardsocketandaVGA

ortcomplieswithCCIR601timingtoallowNTSCdecoderstodeliverreal-

7620supportZVPort

Timing,whichoutputsignalcanbeoutputtoaPCCarddirectly,-

ingisasbelow:

FIG1.4ZVPortTiming

Notes:ZVPortformatoutputsignalinclude:

VSYNC:Verticalsyncpul.

HREF:Horizontalvaliddataoutputwindow.

PCLK:tfrequencyis13.5MHzwhen

edgeofPCLKisudtoclockthe16Bitdata.

Y<7:0>:8Bitluminancedatabus..

UV<7:0>:8Bitchrominancedatabus.

AllTimingParametersislistinfollowingtable.‘

VSYNC

PCLK

Y<7:0>

UV<7:0>

HREF

639640

t8t8

EvenField1(FODD=0)

OddField(FODD=1)

HorizontalTiming

VSYNC

Y<7:0>/

UV<7:0>

ValidData

1Line

TvsTve

Tline

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Note:InInterlacedMode,thereareEven/Oddfielddifferent(t8).WhenInProgressiveScanMode,only

frametimingsameasEvenfield(t8).

AfterVSYNCfallingedge,OV7620willoutputblackreferencelevel,thelinenumberisTvs,

whichisthelinenumberbetweenthe1stHREFrisingedgeafterVSYNCfallingedgeand1st

liddata,thenblackreference,linenumberisTve,which

isthelinenumberbetweenlastvaliddataCHSYNCrisingedgeand1stCHSYNCrisingedge

ckreferenceoutputlinenumberisdependentonverticalwin-

dowtting.

Whenindefaulttting,Tvs=14*Tline,whichischangedwithregisterregister19<7:0>.Ifin

InterlacedMode,register19<7:0>change1step,ogressiveScan

Mode,register19<7:0>stepequalto2line.

Whenindefaulttting,Tve=4*TlineforOddField,Tve=3*TlineforEvenField,whichis

changedwithregisterregister1A<7:0>.IfinInterlacedMode,register1A<7:0>change1step,

ogressiveScanMode,register1A<7:0>stepequalto2line.

InProgressiveScanMode,Tve=3*TlineandTvs=35*Tline.

Table1.4:ZVPortACParameter

t1PCLKfalltiming4ns8ns

t2PCLKlowtime30ns

t3PCLKritime4ns8ns

t4PCLKhightime30ns

t5PCLKperiod74ns

t6Y/UV/HREFtuptime10ns

t7Y/UV/HREFholdtime20ns

t8VSYNCtup/holdtimetoHREF1us

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1.7InterfaceforExternalRAMControllerandMicro-controller

uctureblock

diagramisasfollows:

Thetimingdiagramisasfollows:

OV7620

FPGAu-CPU

DRAM/SRAM

Data

Add

ACK

SCCBandInitial

SRAM

DATA

HREF

AGCEN

Tri-StateTri-State

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SRAMisin

programmedbySCCB(register27)AM=1,OV7620alldatabus

-controllerwillndainitialsignaltoFPGAto

retallRAMAddressblock,afterthat,therearetwomethodtogetoneframedataframe

OV7620:

-controllerndainitialpultoOV7620AGCENinputpin

-controllerndaSCCBcommandtoprogramOV7620ndSingleframedata

TheOV7620outputsignalVSistheACKsignalfromnsor,whenVSishighmeansOV7620

isinreadystatus,whenVSislow,meansOV7620willndoneframedata.

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1.8DigitalOutputFormatTable

Note:“Y”inthetablemeansthiscombinationissupportedbyOV7620.

R656formatmeans4-byteSAVandEAVisinrtedatthebeginningandendingof

HREF,u8-bitdatabuslineand

don’tneedVSYNCandCHSYNCsignalline.

2.Y/eloutputquenceisYUYV...ratherUYV

Y....

ormat,U/...ratherUV

UV...for16bit;VYUY...ratherUYVY...for8-bit.

ormat,U/rtopreview

RGBrawdataoutputformat,differentformatchangeaccordingly.

/LSBswapmeans:DefaultY/UVchanneloutputportrelationshipis:

Table1.5:DigitalOutputFormatType

InterlacedProgressiveScan

Resolution640x480320x240640x480320x240

YUV4:2:2

16BitYYYY

8BitYYYY

CCIR656YYYY

RGB

16BitYYYY

8BitYYYY

CCIR656

1YYYY

Y/UVswap

16Bit----

8BitYYYY

U/Vswap

YUV

3YYYY

RGB

4YYYY

16BitYYYY

8Bit----

OneLine

16Bit--Y-

8Bit----

MSB/LSBswap

5YYYY

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Ifswap,quenceischangeto:

electedbyCOMA3=1;COMA3=0lectYUVmode.

7.8BitmodelectedbyCOMB5=1.

656modelectedbyCOMB4=1.

9.Y/UVswaplectedbyCOMA4=1.

lectedbyCOMH2=1.

emodelectedbyCOMH7=1.

12.U/VswapmodelectedbyCOMD0=1.

/LSBswapmodelectedbyCOMF2=1.

Table1.6:DefaultOutputSequence

MSBLSB

OutputPortY7Y6Y5Y4Y3Y2Y1Y0

InternalOutputdataY7Y6Y5Y4Y3Y2Y1Y0

Table1.7:SwapMSB/LSBoutputquence

MSBLSB

OutputPortY7Y6Y5Y4Y3Y2Y1Y0

InternalOutputdataY0Y1Y2Y3Y4Y5Y6Y7

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1.9QVGAResolutionDigitalOutputFormat

1.9.5InterlacedMode:

YchanneloutputY2Y3Y6Y7Y10Y11...UVchanneloutputU2V3U6V7U10V11...Everylineoutput

datanumberishalf(320pixels)andalllinedata(240line)inonefieldwillbeoutput.

1.9.6ProgressiveScanMode:

YchanneloutputY2Y3Y6Y7Y10Y11...UVchanneloutputU2V3U6V7U10V11...Everylineoutput

datanumberishalf(320pixels)andonlyonehalflinedata(everyotherline,total240line)in

oneframewillbeoutput.

1.9.7QVGA60Frame/sMode:

InInterlaceMode,QVGAmodeoutputframerateis30Frame/sand60Field/60Frame/s

mode,onlyOddfielddataoutputandframerateis60Frame/s.

1.9.8InterlacedMode(DefaultRGBtwolineoutputmode):

UVchanneloutputG0R1G4R5G8R9...YchanneloutputB0G1B4G5B8G9...Everylineoutputhalf

data(320pixels)andalllinedata(240line)inonefieldwillbeoutput.

1.9.9InterlacedMode(YGtwolineoutputmode):

YchanneloutputG0G1G4G5G8G9...UVchanneloutputB0R1B4R5B8R9...Everylineoutputhalf

data(320pixels)andalllinedata(240line)inonefieldwillbeoutput.

1.9.10ProgressiveScanMode(DefaultRGBtwolineoutputmode):

UVchanneloutputG0R1G4R5G8R9...YchanneloutputB0G1B4G5B8G9...Everylineoutputhalf

data(320pixels)andallline(480line)datainoneframewillbeoutput.

1.9.11ProgressiveScanMode(YGtwolineoutputmode):

UVchanneloutputG0R1G4R5G8R9...YchanneloutputB0G1B4G5B8G9...Everylineoutputhalf

data(320pixels)andallline(480line)datainoneframewillbeoutput.

Table1.8:QVGADigitalOutputFormat(YUV,beginningofline)

Pixel#12345678

YY0Y1Y2Y3Y4Y5Y6Y7

UVU0,V0U1,V1U2,V2U3,V3U4,V4U5,V5U6,V6U7,V7

Table1.9:QVGADigitalOutputFormat(RGBRawdata,beginningofline)

Pixel#12345678

Line1B0G1B2G3B4G5B6G7

Line2G0R1G2R3G4R5G6R7

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1.10SlaveModeOperation

tOV7620isamasterdevice,itprovide

Hsync,asslavedevice,(register29bit6=1),externalmasterdevicemust

provide:

SystemclockCLKtoXCLK1pin;

HorizontalsyncHsynctoCHSYNCpin,positiveacted.

VerticalframesyncVsynctoVSYNCpin,positiveacted.

Wheninslavemode,

synchronizethechip,OV7620uexternalsystemclockCLKsynchronizeexternalhorizontal

syncHsync,thenusynchronizedhorizontalsynctosynchronizeexternalverticalframesync

atchinternalcounter,thethreemustkeepexactrelationasbelow:

Hsyncperiodis2*858*CLK

Vsyncperiodis525*2*858*CLK

FIG1.5SlaveModeExternalSyncTiming

OV7620willbestableafter1frame.(2ndVsync).

1.11FrameExposureMode

eFREXpinis

EX=1,thewholearrayis

osuretimeisthendeterminedbytheexternalmasterdevicewhichcontrols

EX=0,ataisoutput,the

OV7620mustbeblockedfromlightbyusingamechanicalshutter,sothatthewholearrayix-

ultlineexposuremode,the

arrayprechargeandreadmodeisfirstcharge1stline,afteronelinereadout,precharge2nd

line,thofFREX=1mustlargetheafixedtimingtomakesurewholearrayhasbeen

precharged.

Frameexposuremodetimingisasbelow:

CLK

Hsync

Vsync

1frame=525*2*858*Tclk

1line=2*858*Tclk

Tclk

Tvs

Note:(1)Ths>6*Tclk(2)Ths

Ths

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FIG1.6FrameExposureTiming

Note:Tpr=492*4*Pclk,ault27MHz,Tclk=<5:0>tto

dividednumber,Tclkwillincreaaccordingly.

Texisarrayexposuretimewhichisdecidedbyexternalmasterdevice.

TinisundeterminedduetotheuofHSYNCrisingedgetosynchronizeFREX,Tin

WhenFREX=0,=4*ataisoutput

whenHREF=1.

Tt=Tin+Tpr+>Tpr+eTinisuncertain,soexposuretimettingresolutionis

Ths(oneline).

FREX

DATA

HSYNC

OUTPUT

VSYNC

ARRAY

PRECHARGE

BlackDataInvalidData

ValidData

1Frame(484line)

PrechagebeginatrisingedgeofHSYNC

ArrayExposurePeriodTex

ArrayPrecharge

periodTpr

NextFrame

Mechanicalshutterclod

HeadofValiddata

Tin

Ths

Thd

HREF

(8line)

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1.12SCCBBUS

SCCBaccessinabledonlyifpinSBB=7620isaslavedevicethatsupports400kbit/s7bit

eachbyte,MSBisalwaystransferredfirst,read/writecon-

trolbitistheLSBofthefirstbyte

Thtabitcan

onlychangestatewhenisSIO-1LOW.

OV7620rervesCS(2:0)fortheslaveID,whichmakeightslavecameracombinations.

tecycle,themastermust

supplythesubaddress,however,themasterdoesnotsupplythesubaddressinthereadcycle,

therefore,i-bytewrite

ormulti-bytereadcycles,thesubaddressisautoincrementafterthefirstdatabytesothatcon-

multi-bytecycleoverwritesitsorig-

inalsubaddress,ifareadcyclefollowsimmediatelytoamulti-bytecycle,itisnecessarytoinrt

asinglebytewritecyclethatprovidesanewsubaddress.

IfOV7620support400kBit/sfastSCCBmode,systemclock(CLK)mustbeatleast10Mhz.

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1.13SCCBREGISTERSETS

OV7620canbeconfigured,byttingpinCS<2:0>highorlowatret/powerup,tooneofeight

slaveIDsaslistedbelow,theIDcannotbealteredoncethechipisoutofretorpowerupstate.

OV7620supporttwooption:etto

LOW(Defaultvalue),chipslaveIDis42(forwrite)and43(forread).IfMIDttoHIGH,OV7620

tMIDisLOWbyinternaltting.

Inwritecycle,thecondbyteinSCCBbusisthesubaddressforlectingtheindividualonchip

registers,gtounimplementedsub-

addressandrervedsubaddressisignored.

Inreadcycle,-

ingofunimplementedsubaddressreturnsunknown.

Registers[00]~[02]containsimageeffectparametersthatalsocanbemodifiedbyinternalcon-

ovidesasimplewaytoreadoutthoparameterscomputedby

is,firsttthechipinautoadjustmode(Register13bit0=1,reg-

ister12bit2=1,register12bit5=1),waitfortheimageisstable,theregister[00],[01]and[02]

turnsittomanualadjustmode(register13bit

0=0),alltheregistersretainthelastadjustedvaluesandcanbereadoroverwrittenbyexternal

echipisoperatedinautoadjustmode(register13bit0=1),register[00]~[02]will

beupdatebyinternalalgorithmandifwritedatatothem,therewillbenoeffectonchipparame-

isterdatacanbereadout.

Thedetaileddefinitionsofeachregisteraredescribedbelow.

AGC<5:0>-gainttingfortheentireimagechannel.

Theformulais:

Gain=(AGC<3:0>/16+1)*(AGC<4>+1)*(AGC<5>+1);range(1x~7.75x),AGC<5>and

AGC<4>controlSA2.

Table1.10:SlaveID

CS<2:0>1

WRITEID(hex)42464a4e52565a5e

READID(hex)43474b4f53575b5f

Register00-rw:AGCgaincontrol

BitsNullAGC6AGC5AGC4AGC3AGC2AGC1AGC0

Default--000000

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Register01-rw:Bluegaincontrol

BLU<6:0>-whitebalancevalueforthebluechannel.

Theformulais:

Blue_gain=1+(BLU<7:0>-[80])/[100];range(0.5x~1.5x).

BLU<7>-“1”,Bluegainincrea;“0”gaindecrea.

Register02-rw:Redgaincontrol

RED<6:0>-whitebalancevaluefortheredchannel.

Theformulais:

Red_gain=1+(RED<7:0>-[80])/[100];range(0.5x~1.5x).

RED<7>-“1”,Redchannelgainincrea;“0”gaindecrea.

SAT<7:0>-saturationadjustmentfortheUVchannelbadonthedefaulttting;

range(-4dB~+6dB).IfSAT<7:0>>[80],increa;ifSAT<7:0><[80],decrea.

Register04&05-w:RervedRegister

atatothisregisterwillbenofunction.

BRT<7:0>-brightnessadjustmentfortheY/RGBchannelbadonthedefaulttting;

range(-200mv~+200mv).IfBRT<7:0>>[80],brightnessincrea;IfBRT<7:0><[80],bright-

gisterisauto/ster2Dbit4=1,thisregisteris

controlledbychipautomatically,ifwritevaluetothisregister,thisvaluewillbeupdatedby

enregister2Dbit4=0,thisregistercanbettoanyvalue

BitsBLU7BLU6BLU5BLU4BLU3BLU2BLU1BLU0

Default10000000

BitsRED7RED6RED5RED4RED3RED2RED1RED0

Default10000000

Register03-rw:Saturationcontrol

BitsSAT7SAT6SAT5SAT4SAT3SAT2SAT1SAT0

Default10-000000

Register06-rw:Brightnesscontrol

BitsBRT7BRT6BRT5BRT4BRT3BRT2BRT1BRT0

Default10000000

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SHP<7:4>-SharpnessThreshold.

SHP<3:0>-SharpnessMagnitude.

atatotheregisterswillnotfunction.

Register0C-rw:WhiteBalancebackgroundcontrol--Bluechannel

ChangesAWBHueControl

ABLU<4:0>-resolutionis

0.625%andtotalrangeis(+20%--20%)Thisregisterisudtoofftimagebackgroundblue

componentratio.

ABLU<5>-“1”,decreabackgroundbluecomponentratio;“0”increabluecomponentratio.

Register0D-rw:WhiteBalancebackgroundcontrol--Redchannel

ChangesAWBHueControl

ARED<4:0>-resolutionis1.5%

andtotalrangeis(+20%--20%)Thisregisterisudtoofftimagebackgroundredcompo-

nentratio.

ARED<5>-“1”,decreabackgroundredcomponentratio;“0”increaredcomponentratio.

Register0E~0F-rw:Rerved

atatotheregisterswillnotfunction.

Register07-rw:AngalogSharpnesscontrol

BitsSHP7SHP6SHP5SHP4SHP3SHP2SHP1SHP0

Default11000011

BitsNullNullABLU5ABLU4ABLU3ABLU2ABLU1ABLU0

Default--100000

BitsNullNullARED5ARED4ARED3ARED2ARED1ARED0

Default--100000

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Register10-rw:Auto-Exposure-ControlRegister

AEC<7:0>-exposuretimetting;theformulais

Interlaced:T

EXPOSURE

LINE

xAEC(7:0);

Progressive:T

EXPOSURE

LINE

xAEC(7:0)x2;

whereT

LINE

=FrameTime/525

ifu27MHz,T

LINE

=63.5uS

Rangeis:[00]-[7F]forInterlaced;[00]-[FF]forProgressiveScan.

*Thisregisterttingisonlyeffectivewhenoperatedinmanualadjustmode(register13bit0=0).Never-

theless,ster13bit0=1,this

registerwillbeupdatedbyinternalcircuitaccordingAECalgorithm,andifwritespecialvalue

istervaluecanbereadoutatanytimeandlatestAEC

ster13bit0=0,orregister29bit7=1,theregisterwillholdlastvalue

unchanged(eitherinputfromSCCBorAECalgorithmresult).

*Itgenerallytakesnomorethantwofieldsfortheimagetoreachtheintendedexposureafterchangingthe

tting.

Register11-rw:Clockratecontrol

CLK<5:0>-systemclockprescaler;thisregisterdefinesthechippixelclockrate,clockrateisdefinedby

followingfulmar:

(16Bitmode)PCLK=(CLK_input/((CLK<5:0>+1)*2))

(8Bitmode)PCLK=(CLK_input/(CLK<5:0>+1))

SYN<7:6>-Threesyncoutputpolaritylection:

SYN7=0,SYN6=0:HSYNCnegative,CHSYNCnegative,VSYNCpositiveedge;

SYN7=0,SYN6=1:.HSYNCnegative,CHSYNCnegative,VSYNCnegative;

SYN7=1,SYN6=0:HSYNCpositive,CHSYNCnegative,VSYNCpositive.

SYN7=1,SYN6=1:HSYNCnegative,CHSYNCpositive,VSYNCpositive.

*Theeffectofthechangeisimmediate,however,itgenerallytakesabouttwofieldsfortheimagetoreach

thestablestate

BitsAEC7AEC6AEC5AEC4AEC3AEC2AEC1AEC0

Interlace01111111

Progres-

siveScan

11111111

BitsSYN7SYN6CLK5CLK4CLK3CLK2CLK1CLK0

Default00000000

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COMA7-“1”initiatesthechipsoftret,therettakesplaceaftertheacknowledgebitisissued,the

effectisthesameaspowerupthechip,thechipisinitializedtoadefaultstate,allregisters

includingSCCB’scontentsarettodefault,thisbitislfclearedaftertheret.

COMA6-“1”lectsmirrorimage

COMA5-“1”enablesAGC.“0”-stopAGCandtregister[00]fectiveinauto

adjustmode.

COMA4-“1”lect8BitDigitaloutputformatisYUYVYUYV...

COMA3-“1”lectsrawdatasignalasvideodataoutput,“0”

lectionappliestobothanalogvideoanddigitalvideo.

COMA2-“1”enableautowhitebalance,“0”AWBstopandAWBregister[01]and[02]valueisheldatlast

nlyinautomode.

COMA1-“1”lectsColorBarTestpatternoutput.

COMA0-“1”lectpreciA/DBlackLevelCompensation(BLC)linemethod.“0”ustandardblacklevel

compensationtodoA/DBLCfieldmethodwhichismorestablebutlesspreci.

COMB7-Rerved.

COMB6-Rerved.

COMB5-“1”lects8bitdataformat,Y/CrCbandRGBvideodataismultiplexedtotheeightbitYbus,tri-

stateUVbus;“0”lects16bitformat,datagotobothY<7:0>busandUV<7:0>bus.

COMB4-“0”enablesdigitaloutputinCCIR601format.“1”enablesCCIR656format.

COMB3-“0”lectshorizontalsyncforoutputtopinCHSYNC,“1”lectscompositesyncforoutput.

COMB2-“1”tri-statesbusY<7:0>andUV<7:0>,“0”enablesbothbus.

COMB1-“1”initiatesthesingleframetransfer,forthisfunctiontowork,fielddropmode(FD<1:0>inregis-

ter[16])musttto“OFF”.hisbitist,forInterlacedmode,HREFis

tisclearedautomati-

gressiveScanmode,HREFisonlyasrtedforone

ngthisbitinthemiddleofactiveframehasnoeffecttotheasrtionofcurrent

HREF.

COMB0-“1”enablesautoadjustmode,inthismode,internalexposurecircuitryoverwritesthoparame-

tersinregisters[00]~[02],thechipadjuststheimagebadonapretalgorithm.“0”manual

adjustmode.

Register12-rw:CommoncontrolA

BitsCOMA7COMA6COMA5COMA4COMA3COMA2COMA1COMA0

Default00100100

Register13-rw:CommoncontrolB

BitsCOMB7COMB6COMB5COMB4COMB3COMB2COMB1COMB0

Default--000001

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VSYNC

COMB1

HREF

SCCBBITSET

ENDOFFRAME

SCCBBITCLEAR

BITCLEAR

FODD

FD<1:0>

SCCBBITCLEAR

1FRAME

FIG1.7SingleFrameTransferExample(InterlacedMode)

VSYNC

COMB1

HREF

SCCBBITSET

ENDOFFRAME

SCCBBITCLEAR

BITCLEAR

FD<1:0>

SCCBBITCLEAR

1FRAME

FIG1.8SingleFrameTransferExample(ProgressiveScanMode)

SCCBBITCLEAR

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Register14-rw:CommoncontrolC

COMC7-AWBactivationthresholdlection:1-high;0-low.

COMC6-Rerved.

COMC5-QVGAdigitaloutputformatlection.1-320x240;0-640x480.

COMC4-Field/FrameverticalsyncoutputinVSYNCportlection:1-framesync,onlyinrtedinODD

fieldverticalsync;0-fieldverticalsync,effectinInterlacedmode

COMC3-HREFpolaritylection:0-HREFpositiveeffective,1-HREFnegative.

COMC2-RGBgammalection:1-Gammaon,valuedefinedbyregister[62]value;0-gammais1(lin-

ear).

COMC1-Rerved.

COMC0-Rerved.

COMD7-Rerved.

COMD6-PCLKpolaritylection.“0”OV7620outputdataatPCLKfallingedgeanddatabuswillbestable

atPCLKrisingedge;“1”

OV7620workasCCIR656format,COMB4=1,thisbitisdisableandshoulduPCLKrising

edgelatchdatabus.

COMD<5:1>-Rerved.

COMD0-UVdigitaloutputquenceexchangecontrol.0-VUVU...for16Bit,VYUY...for8Bit;1-U

VUV...for16BitandUYVY...for8Bit.

FD<7:2>-Framedroplection,itoperatesinODDandEVENmodeasdefinedbyFD<1:0>,itisignored

inOFF&poistodividethevideosignalintoprogrammednumberof

timeslotsinunitoffield/frame,andtoallowHREFtobeactiveonlyonefield/frameduringthe

nctiondoesnotaffectthevideodataorpixelrate.

000000-000001:disabledigitaldataoutput,onlyoutputblackreferencelevel.

000010-111111:Output1of(2~63)egister33bit1=1,thatmeans

onlydrop1framefrom(2~63)frame.

BitsCOMC7COMC6COMC5COMC4COMC3COMC2COMC1COMC0

Default0-0001--

Register15-rw:CommoncontrolD

BitsCOMD7COMD6COMD5COMD4COMD3COMD2COMD1COMD0

Default-0-----1

Register16-rw:FrameDrop

BitsFD7FD6FD5FD4FD3FD2FD1FD0

Default00000011

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Interlaced:

FD<1:0>-ameconsistsoftwofields:Odd&Even,thebitsdefinesthe

asrtionofHREFinrelationtothetwofields.

00-OFFmode;HREFisnotasrtedinbothfields,oneexceptionisthesingleframetransfer

operation(ethedescriptionfortheregister[13])

01-ODDmode;HREFisasrtedinoddfieldonly.

10-EVENmode;HREFisasrtedinevenfieldonly.

11-FRAMEmode;<7:2>uless(default).

ProgressiveScan:

FD<1:0>-framemodelection.

00-OFFmode;HREFisnotasrtedinbothfields,oneexceptionisthesingleframetransfer

operation(ethedescriptionfortheregister[13])

01,10-SLOTmode;HREFisasrtedinframeaccordingFD<7:2>.

11-FRAMEmode;<7:2>uless

FODD

HREF

slot1slot2slot3slot4slot1slot2slot3slot4

HREF

slot2slot1slot2slot1slot2slot1slot2slot1

EVENMODE

FD<7:2>=000010

ODDMODE

FD<7:2>=000001

FIG1.9FieldDivisionExamples(InterlacedMode)

FD<1:0>=10

FD<1:0>=01

1field

HREF

slot2slot1slot2slot1slot2slot1slot2slot1S

FD<7:2>=000001

FIG1.10FrameDivisionExamples(ProgressiveScanMode)

FD<1:0>=01

VSYNC

1frame

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Register17-rw:HorizontalWindowstart

HS<7:0>-lectsthestartingpointofHREFwindow,eachLSBreprentsfourpixelsforInter-

laced/Progressivefullresolutionmode,twopixelsforQVGAresolutionmode,thisvalueist

badonaninternalcolumncounter,thedefaultvaluecorrespondsto640horizontalwindow.

<7:0>programmablerange

is[2C]-[D2],andshouldlessthanHE<7:0>.HS<7:0>shouldbeprogrammabletovaluelarger

thanorequalto[2C].Valuelargerthan[D2]ure1.14.

Register18-rw:HorizontalWindowend

HE<7:0>-lectstheendingpointofHREFwindow,eachLSBreprentsfourpixelsforfullresolution

andtwopixelsforQVGAresolution,thisvalueistbadonaninternalcolumncounter,the

<7:0>programmablerangeis

[2D]-[D2].HE<7:0>shouldbelargerthanHS<7:0>andlessthanorequalto[D2].Value

largerthan[D2]ure1.14.

Register19-rw:VerticalWindowstart

VS<7:0>-lectsthestartingrowofverticalwindow,infullresolutionmode,eachLSBreprents1scan

lineinonefieldforInterlacedMode,

QVGAresolution(tbyregister14bit5),eachLSBreprents1scanlineinonefieldfor

InterlacedMode,

[05],[F6]andshouldlessthanVE<7:0>.

VE<7:0>-lectstheendingrowofverticalwindow,infullresolutionmode,eachLSBreprents1scan

lineinonefieldforInterlacedMode,

QVGAresolution,eachLSBreprents1scanlineinonefieldforInterlacedMode,1scanline

[05],[F6]andshould

largerthanVS<7:0>.

BitsHS7HS6HS5HS4HS3HS2HS1HS0

Default00101111

BitsHE7HE6HE5HE4HE3HE2HE1HE0

Default11001111

BitsVS7VS6VS5VS4VS3VS2VS1VS0

Default00000110

Register1A-rw:VerticalWindowend

BitsVE7VE6VE5VE4VE3VE2VE1VE0

Default11110101

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Asshownabove,HS<7:0>definesthestartingpixelwithinascanline,HE<7:0>definestheendingpixel

<7:0>definesthestartingrowwithinafield,VE<7:0>definestheending

/t-

angularwindowdefinedbyHS/HE/VS/xelsinsidesthis

windowisvalid,alongwiththeHREFtimingsignals,blacklevelsubstitutesthepixeldata

whenoutsidetheactivewindow.

IdenticalvalueforHS/HEorVS/VEisnotpermittedsinceitcausundefinedwindowsize.

Ifendpointislowerthanthestartingpoint,thewindowbeginsfromthestartingpointandendsatthefar

endoftheavailableimageboundary.

Thewindowsizecalculateformulaisasbelow:

ntalsize:VGAmode:Horizontalwindowsize=(Register[18]-Register[17])*4.

QVGAmode:Horizontalwindowsize=(Register[18]-Register[17])*2.

alsize:VGAmode:Verticalwindowsize=(Register[1A]-Register[19]+1);

QVGAmode:Horizontalwindowsize=(Register[1A]-Register[19]+1).

FULLimageboundary

ActiveWindow

FIG1.11WindowSizing

HREF

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PS<7:0>-toprovideawaytofinetunetheoutputtimingofthepixeldatarelativetothatofHREF,itphys-

icallyshiftsthevideodataoutputtimeearlyorlateinunitofpixelclockasshowninthefigure

nctionisdifferentfromchangingthesizeofthewindowasisdefinedby

HS<7:0>&HE<7:0>inregister[17]and[18].

Register1B-rw:Pixelshift

BitsPS7PS6PS5PS4PS3PS2PS1PS0

Default

00000000

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mshiftpixelnumberis255.

MIDH<7:0>-readonly,alwaysreturns“7F”.

Register1C-r:ManufactureIDhighbyte

BitsMIDH7MIDH6MIDH5MIDH4MIDH3MIDH2MIDH1MIDH0

Default01111111

Register1D-r:ManufactureIDlowbyte

BitsMIDL7MIDL6MIDL5MIDL4MIDL3MIDL2MIDL1MIDL0

Default10100010

HREF

Y<7:0>-DEFAULT

Y<7:0>-LATE

defineby

HS<7:0>

defineby

HE<7:0>

Full=664

physicalimageboundary

ACTIVEWINDOW

BLACKLEVEL

FIG1.12PixelShiftExamples

LEFTSIDE

PIXELADDED

RIGHTSIDE

PIXELLOST

right

shift

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MIDL<7:0>-readonly,alwaysreturns“A2”

Register1E~1F-rw:Rerved

atatotheregisterswillnotfunction.

Register20-rw:CommoncontrolE

COME7-ModifiedCCIR656formatverticalsizingenabled.“1”willenableverticalwindowingfunction.“0”

willlimitverticalsizeto480lines-unchangedby[19]and[1B].

sstoredinregister[7C]

COME5-“1”tionstrengthwillbedecidedbyregister[07].“0”

disablefirststageaperturecorrection.

COME4-“1”tionstrengthandthresholdvaluewillbe

decidedbyregister26bit7~register26bit4.

COME3-AWBsmartmodeenable.1-Dropoutpixelwhencomparepixelred,blueandgreencomponent

leveltochangeregister[01]and[02],whichluminancelevelishigherthanprettingleveland

lowerthanprettinglevel,thistwolevelistbyregister[0F].0-calculateallpixelstoget

nlywhenregister13bit0=1andregister12bit2=1

COME2-Rerved.

COME1-AWBfast/slowmodelection.“1”-AWBisalwaysfastmode,thatisregister[01]and[02]is

changedeveryfield/frame.“0”AWBisslowmode,[01]and[02]changeevery16/64field/

Benable,register12bit2=1,AWBisworkingas

fastmodeatfirst1024field/frame,thanasslowmodelater.

COME0-Digitaloutputdrivercapabilityincrealection:“1”Doubledigitaloutputdrivercurrent;“0”low

outputdrivercurrentstatus.

Y6-Y0::+127mV~-2=0,thisregister

willbeupdatedbyinternalautoA/DBLCcircuit,andwriteavaluetothisregisterwithSCCB

2=1,Ychannelofftadjustmentwillutheregisterstoredvalue

1=0,thisregisterhasnoadjustmenteffecttoA/D

utRGBrawdata,thisregisterwilladjustR/G/Bdata.

Y7:Offtadjustmentdirection0-AddY[6:0];1-SubtractY[6:0].

BitsCOME7COME6COME5COME4COME3COME2COME1COME0

Default00000-00

Register21-rw:YChannelOfftAdjustment

BitsY7Y6Y5Y4Y3Y2Y1Y0

Default10000000

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U6-U0::+128mV~-ster27bit2=0,this

registerwillbeupdatedbyinternalautoA/DBLCcircuit,andwriteavaluetothisregisterwith

ster27bit2=1,Uchannelofftadjustmentwillutheregister

ster26bit1=1,thisregisterhasnoeffect

toA/utRGBrawdata,thisregisterwilladjustR/G/Bdata.

U7:Offtadjustmentdirection:0-AddU[6:0];1-SubtractU[6:0].

Ifregister2Dbit0=0,thisregisterhasnofunction.

Register23-rw:CrystalCurrentcontrol.

CC7-CC6:Crystalamplifiercurrentgain.(00)maximumcurrent;(11)minimumcurrent

CC5~CC0:Rerved

Register24-rw:AEWAutoExposureWhitePixelRatio

Registers24and25togethercontroltheAECtargetvaluesforimagebrightness.

Forabrighterimage,increaregister24anddecrearegister25.

Foradarkerimage,decrearegister24anddecreareister25.

7620AECalgorithmcountsthewholefield/frame

whitepixel(itsluminancelevelishigherthanafixedlevel)andblackpixel(itsluminancelevel

islowerthanafixedlevel)ite/blackpixelratioissameastheratiodefined

byregisters[25]and[26],gisterisudtodefinethewhitepixelratio,

defaultis25%,eachLSBreprentstep:Interlaced:1.3%;ProgressiveScan:0.7%.Change

rangeis:Interlaced:[01]~[4A];ProgressiveScan:[01]~[96].IncreaAEW<7:0>will

elightcondition,theimagebrightnesswillincreaif

AEW<7:0>increa.

Note:AEW<7:0>mustcombinedwithregister[26]AEB<7:0>.Keeptherelationalwaystrue:AEW<7:0>+

AEB<7:0>>[4A]forInterlaced;AEW<7:0>+AEB<7:0>>[90].

Register22-rw:UChannelOfftAdjustment

BitsU7U6U5U4U3U2U1U0

Default10000000

BitsCC7CC6CC5CC4CC3CC2CC1CC0

Default000-----

BitsAEW7AEW6AEW5AEW4AEW3AEW2AEW1AEW0

Interlace00001000

ProgressiveScan00010000

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Register25-rw:AECAutoExposureBlackPixelRatio

7620AECalgorithmiscountwholefield/frame

whitepixel(itsluminancelevelishigherthanafixedlevel)andblackpixel(itsluminancelevel

islowerthanafixedlevel)ite/blackpixelratioissameastheratiodefined

byregisters[25]and[26],gisterisudtodefineblackpixelratio,default

is75%,eachLSBreprentstep:Interlaced:1.3%;ProgressiveScan:0.7%.Changerangeis:

Interlaced:[01]~[4A];ProgressiveScan:[01]~[96].IncreaAEB<7:0>willincreablack

elightcondition,theimagebrightnesswilldecreaifAEB<7:0>increa.

Note:AEB<7:0>mustcombinedwithregister[25]AEW<7:0>.Keeptherelationalwaystrue:AEW<7:0>+

AEB<7:0>>[4D]forInterlaced;AEW<7:0>+AEB<7:0>>[90].

Register26-rw:CommoncontrolF

COMF7-COMF6:DigitalSharpnessthresholdlection.

[00]-Differenceofneighborpixelluminanceislargerthan8mV,correctionon.

[01]-16mV.

[10]-32mV.

[11]-64mV.

COMF5-COMF4:DigitalSharpnessMagnitudelection.

[01]-Strengthis50%ofdifferenceofneighborpixelluminance.

[10]-100%.

[11]-200%.

COMF3-Rerved

COMF2-SwapbusMSB/LSB.“1”LSB->Bit7,MSB->Bit0;“0”normal.

COMF1-“1”A/“0”.

COMF0-“1”Outputfirst4lineblacklevelforInterlacedModeand8lineblacklevelforProgressiveScan

mberwillincrea4/8relatively.“0”noblacklevel

output.

BitsAEB7AEB6AEB5AEB4AEB3AEB2AEB1AEB0

Interlace01001010

ProgressiveScan10001010

BitsCOMF7COMF6COMF5COMF4COMF3COMF2COMF1COMF0

Default10100010

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Register27-rw:CommoncontrolG

COMG7:Rerved.

COMG6:Rerved.

COMG5:Rerved.

COMG4:RGBmatrixdisable.“1”-BypassRGBmatrix.“0”-EnableRGBmatrix.

COMG3:Rerved.

COMG2:“1”EnablesmanualadjustmentofA/Dofft:1-A/Ddatawilladdorsubtractavaluedefinedby

registers[21]and[22].0-A/Ddatawillbeshiftedbyavaluedefinedbyregisters[21],[22]and

[2E],whichisupdatedbyinternalcircuit.

COMG1:-DisablesCCIRrangeclip.

COMG0:-ingchart.

Register28-rw:CommoncontrolH

COMH7:-“1”lectsOne-LineRGBrawdataoutputformat,“0”lectsnormaldual-line(repetitive)raw

dataoutput,effectiveonlyinProgressiveScanmode.

COMH6:-“1”enableBlack/Whitemode.

COMH5:-“1”lectProgressiveScanmode;“0”lectInterlacedmode.

COMH4:-FreezeAEC/effectiveonlywhenregister13bit0=1.

COMH3:-AGCdisable.

COMH2:-Rawdataoutputformat:“1”-GreenonYchannel,BRBR....onUVchannel(GRB422),“0”-G

RGR....onYchannel,BGBG.....onUVchannel.

COMH1:-2xGainboost.“1”DoublePreAmpgainto6dB.“0”PreAmpgainis0dB.

COMH0:-Rerved.

Register29-rw:CommoncontrolI

COMI7:-AECdisable.“1”Ifregister13bit0=1,AECstopandregister[10]valuewillbeheldatlastAEC

valueandnotbeupdatedbyinternalcircuit.“0”-ifregister13bit0=1,register[10]valuewill

beupdatedbyinternalcircuit

COMI6:-Enableslavesyncmodelection.“1”slavemode,uexternalCHSYNCandVSYNC.

“0”mastermode

COMI<5:4>-Rerved.

COMI3:-Centralweightedexposurecontrol.

COMI2:-Rerved.

COMI1-COMI0:Versionflag.

BitsCOMG7COMG6COMG5COMG4COMG3COMG2COMG1COMG0

Default11100010

BitsCOMH7COMH6COMH5COMH4COMH3COMH2COMH1COMH0

Default00000000

BitsCOMI7COMI6COMI5COMI4COMI3COMI2COMI1COMI0

Default00000000

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EHSH7-FrameRateadjustmentenablebit.“1”Enable.

EHSH<6:5>-lanationinregister[2B].

EHSH4-“1”-UVcomponentdelay2pixel.“0”no2*Tpdelay.

MF2=1active.

EHSH2-ForQVGArawdataformat.“1”willforceYtooutputBGBGandUVtooutputGRGR

EHSH<1:0>-Rerved.

EHSL<7:0>-ateadjustmentresolutionis0.12%.

ountdecreasframerateby0.12%.Rangeis0.12%-112%.If

framerateadjustmentinabled,COME7mustbetto“0”.

EXBK<7:4>-s0.08%-1.3%

EXBK<3:0>-s0.08%-1.3%.

tto“1”.

COMJ6-QVGA60frame/slection.“1”OnlyOddfieldinInterlaceModedataoutput,“0”Odd/Evenfield

dataoutputframerateis30frames/utputat60frames/sinduallinemoderawdata.

tto“0”.

COMJ4-Autobrightnesnabled.

tto“0”.

djustframeratetomatchindoorlightfrequency,thisbitenableadif-

ferentexposurealgorithmtocutlightbandinducedbyfluorescentlight.

tto“0”.

tto“1”.

BitsEHSH7EHSH6EHSH5EHSH4EHSH3EHSH2EHSH1EHSH0

Default00000000

BitsEHSL7EHSL6EHSL5EHSL4EHSL3EHSL2EHSL1EHSL0

Default00000000

BitsEXBK7EXBK6EXBK5EXBK4EXBK3EXBK2EXBK1EXBK0

Default10001000

BitsCOMJ7COMJ6COMJ5OMJ4COMJ3COMJ2COMJ1COMJ0

Default100000-1

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V7-V0::+128mV~-2=0,thisregister

willbeupdatedbyinternalautoA/DBLCcircuit,andwriteavaluetothisregisterwithSCCB

2=1,Vchannelofftadjustmentwillutheregisterstoredvalue

1=1,thisregisterhasnoeffecttoA/

outputrawdata,thisregisterwilladjustR/G/Bdata.

V7:Offtadjustmentdirection:o-AddV[6:0];0-SubstrateV[6:0].

IfCOMJ0=0,thisregistervalueiscommontoUandVchannel.

Register2F~5F-w:Rerved

Address[2F]-[5F]arerervedforinternalu.

Register60-rw:SignalProcessControlA

SPCA7:1.5xgainboost.

SPCA6:Rerved.

SPCA5:“1”disablesgreenaveragingforUVchannel.

SPCA4:“1”disablesgreenaveragingforlumninancechannel.

SPCA<3:2>Rerved.

SPCA<1:0>:etto“0111”;B&Wtto“0000”.

Register61-rw:SignalProcessControlB

SPCB7:“1”YUVmode;“0”rawdatamode.

SPCB6:tto“0”.

SPCB5:tto“0”.

SPCB4:tto“0”.

SPCB3:tto“0”.

SPCB2:Limitsrangeofregister[6]tohalfvalue.

SPCB<1:0>:AutoBrightnesstargetreferencelevel:(00)--0IRE;(01)--6IRE;(10)--10IRE;

(11)--20IRE.

BitsV7V6V5V4V3V2V1V0

Default10000000

BitsSPCA7SPCA6SPCA5SPCA4SPCA3SPCA2SPCA1SPCA0

Default00100111

BitsSPCB7SPCB6SPCB5SPCB4SPCB3SPCB2SPCB1SPCB0

Default10000010

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Register62-rw:RGBGammaControl

RGM<7:1>rawdataorUVgammacurvelection.

RGM0:tto“0”.

Register63-rw:Rerved

Address[63]arerervedforinternalu.

Register64-rw:YGammaControl

YGM<7:1>:Ygammacurvelection.

YGM<0>:“1”enable;“0”disable(linear).

Register65-rw:SignalProcessControlC

SPCC<7:3>Rerved.

SPCC2:A/A/Drangeby1.5X

SPCC<1:0>:A/Dreferencelection.<00>:inputsignalrange0.9V;<01>:1.0Vpeak

<10>:1.15Vpeak;<11>:<00>lection.

BitsRGM7RGM6RGM5RGM4RGM3RGM2RGM1RGM0

Default00010010

BitsYGM7YGM6YGM5YGM4YGM3YGM2YGM1YGM0

Default01011001

BitsSPCC7SPCC6SPCC5SPCC4SPCC3SPCC2SPCC1SPCC0

Default01000010

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Register66-rw:AWBProcessControl

Whitebalancelimitingfunction-YUVmatrixcontrol.

Register74:7mustbeenabledforAWBprocesscontrol.

AWBC<7:6>:SmartAWBignoresRGBrawdatapixelvaluesabove(00):70%,(01):80%,(10):90%,

(11):100%.

AWBC<5:4>:SmartAWBignoresRGBrawdatapixelvaluesbelow(00):10%,(01)20%,(10)30%,

(11)40%.

AWBC<3:2>:UthresholdlevellectionifuU/Vaswhitebalancefeedback

00:(-10%~10%);01:(-20%~20%);10:(-30%~30%);11:(-40%~40%)

AWBC<1:0>:VthresholdlevellectionifuU/Vaswhitebalancefeedback

00:(-10%~10%);01:(-20%~20%);10:(-30%~30%);11:(-40%~40%)

Register67-rw:ColorSpaceSelection

YUV<7:6>:UVcoefficientlection(U/Visoutputandu/visinput)

•[00]:YUV

•[01]:AnalogYUV

•[10]:CCIR601YCrCb

•[11]:PALYUV

YUV5:U/Vsignaldelay2pixellection

YUV4:U/Vsignalwith3pointchromaaverage(2pixeldelayaccordingly)

YUV<3:2>:Ysignaldelaylection:(00)-0;(01)-1;(10)-2;(11)-3pixels

YUV1:Autosaturationcontrol(decreascolornoi)enable.

YUV0:Autosaturationcontrolrangelection:0-1.5x;1-1x.

Register68-rw:SignalProcessControlD

SPCD<7:5>:AEC/AGCBrighnessTargetlevellection.

000-10%;001-30%;010-50%;011-70%;100-80%;101-90%;110-100%;111-110%.

SPCD4:tto“0”.

SPCD<3:2>:Anti-aliasthreshold:11lowestthreshold;01,10midrangethreshold;00highestthreshold.

SPCD<1:0>:Anti-aliasmagnitude:00-lowstrength;01,10midstrength;11:highstrength.

BitsAWBC7AWBC6AWBC5AWBC4AWBC3AWBC2AWBC1AWBC0

Default01010101

BitsYUV7YUV6YUV5YUV4YUV3YUV2YUV1YUV0

Default00011010

BitsSPCD7SPCD6SPCD5SPCD4SPCD3SPCD2SPCD1SPCD0

Default11001100

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Register69-rw:AnalogSharpness

EDGE<7:3>Rerved.

EDGE2:er20:5mustbetto“1”.

EDGE<1:0>:Rerved.

Register6A-rw:VerticalEdgeEnhancementControl

VEG<6:4>:VerticalEdgeEnhancementthresholdrange

VEG<3:0>:VerticalEdgeEnhancementmagnitudevalue.0000:weakest;1111:strongest.

Register6B-6Erw:Rerved

Address[6B]-[6E]arerervedforinternalu.

Register6F-rw:Even/OddNoiCompensationControl

EOC<7:6>:Rerved.

EOC<5:4>:ColorKillluminancethresholdlection:00-none;01-2.6v;10-2.4v;umi-

nancelectionwillactivatecolorkill.

EOC<3:0>:Settofactoryrecomendedvalues.

BitsEDGE7EDGE6EDGE5EDGE4EDGE3EDGE2EDGE1EDGE0

Default01110010

BitsVEG7VEG6VEG5VEG4VEG3VEG2VEG1VEG0

Default-1000010

BitsEOC7EOC6EOC5EOC4EOC3EOC2EOC1EOC0

Default--111010

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Register70-rw:CommonControlK

COMK7-“1”HREFedgescoincident(nodelay)withPCLKnegative/fallingedges(COMD6mustbetto

“0”).“0”HREFedgeoccurs10nsafterPCLKpositive/risingedge.

COMK6-Outputportdrivecurrentadditional2xcontrolbit.

COMK5-Rerved.

COMK4-SelectsZVporttiming.“1”VSYNCoutputZVportverticalsyncsignal.“0”normalTVvertical

syncsignal.

COMK3-Acceleratedsaturationmodeforcameramodechange.(QVGA,8Bitoutput,CCIR656mode

andProgressiveScanMode).Afterrelativecontrolbitt,thefirstVSwillbethestableimage

withsuitableAEC/AWBtting.“0”-slowmode,aftermodechangeneedmorefield/frameto

getstableAEC/AWBttingimage.

COMK2-Rerved.

COMK1-AWBupdateratelection.“1”fastmode;“0”slowmode.

COMK0-Setto“1”insinglelinemode,otherwitto“0”andtCOMG4todisable.

Register71-rw:CommonControlJ

COML7-AutoBrightnessupdaterate:“1”-Slowmode;“0”-fastmode.

COML6-GatedPCLKlection.“1”-EnablesPCLKgatedbyHREF;“0”-PCLKisfreerunningclock

COML5-SwapHREFoutputpinwithCHSYNC.“1”-HREFpinoutputCHSYNCsignal;“0”-Noswap.

COML4-SwapCHSYNCoutputpinwithHREF.“1”-CHSYNCpinoutputHREFsignal;“0”-normalout-

put.

COML<3:2>-Highest2bitforHSYNCrisingedgeshiftcontrol,combinedwithregister[72]

COML<1:0>-Highest2bitforHSYNCfallingedgeshiftcontrol,combinedwithregister[73]

Register72-rw:HorizontalSync1stEdgeshifting

HSDY<7:0>-s[000]-[3FF].

Everycountequals1PCLK.

BitsCOMK7COMK6COMK5COMK4COMK3COMK2COMK1COMK0

Default10000001

BitsCOML7COML6COML5COML4COML3COMK2COML1COML0

Default00000000

BitsHSDY7HSDY6HSDy5HSDY4HSDY3HSDY2HSDY1HSDY0

Default00010100

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Register73-rw:HorizontalSync2ndEdgeshifting

HSDY<7:0>-s[000]-[3FF].

Everycountequals1PCLK.

Register74-rw:CommonControlM

COMM7-EnableUVSmartAWBthresholdcontrol.

COMM<6:5>-AGCmaximumgainlection:00-2x;01-4x;10-2x;11-8x

COMM<4:0>-Rerved.

Register75-rw:CommonControlN

COMN7-“1”mwillbe[40].Otherwiwillbe[00]~[FF].

COMN<6:3>-Rerved.

COMN2-Thisbitfurtherreducestheexposuretimeto1/120condor1/100condwhenthebandingfil-

terinabledandthelightistoostrong.

COMN1-Ifenabled,manualwritewhitebalancevalue,thenchangetoauto,thestabletimewillbeless.

SpeedswhitebalancestabletimewhenswitchingfrommanualtoAWB.

COMN0-Enablesadditionof2pixelaveraging.

Register76-rw:CommonControlO

COMO7-OutputXCLKfromFODDpin.

COMO6-Rerved.

COMO5-Softwarepowerdownenable:1-enable;0-wakeup

COMO4-Rerved.

COMO3-LimitstheMinimumExposuretimeto4linesrather1linewithAECenable

COMO2-Tri-statesyncandCLKoutput,exceptdataline

COMO<1:0>-Rerved.

BitsHEDY7HEDY6HEDY5HEDY4HEDY3HEDY2HEDY1HEDY0

Default01010100

BitsCOMM7COMM6COMM5COMM4COMM3COMM2COMM1COMM0

Default00100000

BitsCOMN7COMN6COMN5COMN4COMN3COMN2COMN1COMN0

Default10000010

BitsCOMO7COMO6COMO5COMO4COMO3COMO2COMO1COMO0

Default00000000

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Register77-7B-rw:Rerved

Address[2F]-[5F]arerervedforinternalu.

Register7C-rw:FieldAverageLevelStorage

AVG<7:0>--Stroragefileldluminanceaveragevalueifregister20bit6=1.

Notice:forQVGAandProgressiveScanmode,therealluminanceaveragevalueisdoubleofthisregister

value,oRGBrawdatamode,thevalueisGreencomponentaver-

agevalue.

BitsAVG7AVG6AVG5AVG4AVG3AVG2AVG1AVG0

Default00000000

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SECTION2PINDESCRIPTION

2.1PINOUT

FIG2.1OV762048PinDigitalPackage

6543214

AGND

AVDD

PWDN

NS1

VcCHG

SBB

VTO

ADVDD

ADGND

VSYNC/CSYS

FODD/SRAM

HREF/VSFRAM

O-

BW/CHSYNC

CBAR/Y0

PROG/Y1

G2X/Y2

RGB/Y3

CS1/Y4

SHARP/Y5

CS2/Y6

CS0/Y7

PWDB/PCLK

DOVDD

DOGND

OV7620

topview

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ELECTRICALSPECIFICATION

Table3.1:DCCHARACTERISTICS(0

C,VoltagesreferencedtoGND)

SymbolDescriptionsMinMaxTypUnits

Supply

DD1

Supplyvoltage-internalanalog

DEVDD,ADVDD,AVDD,SVDD,AOVDD,DVDD

4.755.255.0V

DD2

Supplyvoltage-internaldigital&outputdigital

(DOVDD)

4.5

3.0

5.5

3.6

5.0

3.3

DD1

SupplyCurrent(@60Hzframerate&5volt

digitalI/O,25pf+1TTLloadon16bitdatabus)

-40-mA

DD2

Standbysupplycurrent-105uA

DigitalInputs

inputvoltageLOW-0.8-V

inputvoltageHIGH2.0--V

Cininputcapacitor-10-pF

DigitalOutputs-standardload25pf,1.2kΩto3.0volts

outputvoltageHIGH2.4--V

outputvoltageLOW-0.6-V

SCCBInputs-

SIO-0andSIO-1(V

DD2

=5V)-0.51.50V

SIO-0andSIO-1(V

DD2

=5V)3.0Vdd+.55V

SIO-0andSIO-1(V

DD2

=3V)-0.510V

SIO-0andSIO-1(V

DD2

=3V)2.53.53

OV7620ProductSpecifications-Rev.1.2(5/13/00)OMNIVISIONTECHNOLOGIESINC.

PreliminaryCompanyConfidential

Table3.2:ANALOGCHARACTERISTICS(T

=25

C;Vdd=5V)

SymbolDescriptionsMinMaxTypUnits

RGB/YCrCboutput

maximumsourcingcurrent15mA

rgb

DClevelatzerosignal

RGBpeak-peakamplitude

DClevelatzerosignal

Ypeak-peak100%amplitude(withoutsync)

syncamplitude

0.3

DClevelatzerosignal

Crpeak-peak(75%saturation)

1.2

700

DClevelatzerosignal

Cbpeak-peak(75%saturation)

1.2

890

UrAdjustableControls

(VcBRT)

inputresistance100ΚΩ

factorytreferencebias

(VrAD1,VrAD2,VrAD3,VrEQ,VrPK,NSSA1,VcCHG,VcBLM)

VrEQbiadlevel2.03.02.5V

NS1SA1SA1referencelevel2.2V

VcCHGPhotocellChargelevel2.6V

ADCparameters

BanalogbandwidthMHz

DLEDCdifferentiallinearityerror0.5LSB

ILEDCintegrallinearityerror0.5LSB

OV7620ProductSpecifications-Rev.1.2(5/13/00)OMNIVISIONTECHNOLOGIESINC.

PreliminaryCompanyConfidential

Table3.3:ACCHARACTERISTICS(0

C,VoltagesreferencedtoGND)

SymbolDescriptionsMinMaxTypUnits

Oscillator&Clockin

osc

frequency(XCLK1,XCLK2)103027.0MHz

clockinputri/falltime5ns

CLKO

clockinputdutycycle455550%

SCCBtiming(400kbit/s)

BUF

BusfreetimebetweenSTOP&START1.3--us

HD:SAT

SIO-1changeafterSTARTstatus0.6--us

LOW

SIO-1lowperiod1.3--us

HIGH

SIO-1highperiod0.6--us

HD:DAT

Dataholdtime0--us

SU:DAT

Datat-uptime0.1--us

SU:STP

Set-uptimeforSTOPstatus0.6--us

Digitaltiming

pclk

PCLKcycletime

16bitoperation

8bitoperation

--ns

PCLKri/falltime-15-ns

pdd

PCLKtodatavalid-15-ns

phd

PCLKtoHREFdelay52010ns

OV7620ProductSpecifications-Rev.1.2(5/13/00)OMNIVISIONTECHNOLOGIESINC.

PreliminaryCompanyConfidential

FIG2.2PixelTiming

Y<7:0>

PCLK

HREF

UV<7:0>

pclk

10Y

Y10

80U

tpdd

phd

OV7620ProductSpecifications-Rev.1.2(5/13/00)OMNIVISIONTECHNOLOGIESINC.

PreliminaryCompanyConfidential

FIG2.3SCCBBusTiming

SIO-0

SIO-1

BUF

HD:SAT

LOW

HD:DAT

HIGH

SU:DAT

SU:STP

OV7620ProductSpecifications-Rev.1.2(5/13/00)OMNIVISIONTECHNOLOGIESINC.

PreliminaryCompanyConfidential

FIG2.416Bit4:2:2VideoPortTiming(InterlacedMode)

(a)HORIZONTALTIMING

(b)VERTICALTIMING(InterlacedMode)

Y0Y1h10Y643Y642

h10

4843241

U0V0h10V643

h10

U642

OV7620ProductSpecifications-Rev.1.2(5/13/00)OMNIVISIONTECHNOLOGIESINC.

PreliminaryCompanyConfidential

FIG2.516Bit4:2:2VideoPortTiming(ProgressiveScanMode)

(a)HORIZONTALTIMING

(b)VERTICALTIMING(ProgressiveScanMode)

Y0Y1h10Y643Y642

h10

U0V0h10V643

h10

U642

12483484

OV7620ProductSpecifications-Rev.1.2(5/13/00)OMNIVISIONTECHNOLOGIESINC.

PreliminaryCompanyConfidential

entMethodtogetQVGAformatCompare

Note:Togettheframerate,OV7620mustu27MHzcrystal.

Table3.4:CompareofQVGAMethod

MethodResolutionFrameRateLens

A320x24060frame/s1/3”

B320x24030frame/s1/3”

C322x24030frame/s1/4”

D354x28830frame/s1/4”

OV7620ProductSpecifications-Rev.1.2(5/13/00)OMNIVISIONTECHNOLOGIESINC.

PreliminaryCompanyConfidential

FIG2.6PackageMechanicalData

187

+0.010

0.060-0.005

TYP.

0.040±0.007

TYP.

0.440±0.005

0.040±0.003

0.085±0.010

0.020±0.003

TYP.

R0.0075

48PLCS

R0.0075

4CORNERS

0.003

0.002

0.020±0.002

0.015±0.002

0.030

0.003

0.065±0.007

NOTES:

1)Alldimensionsininches

±0.003

BottomView

TopView

SideView

0.006MAX.

0.002TYP.

0.350SQ.±0.005

0.430SQ.±0.005

0.560SQ.-0.005

+0.012

OV7620ProductSpecifications-Rev.1.2(5/13/00)OMNIVISIONTECHNOLOGIESINC.

PreliminaryCompanyConfidential

FIG2.7OV7620SensorArrayLocation(ininches)

OmniVisionTechnologies,estherighttomakechangeswithoutfurthernoticetoanyproducthereintoimprovereliability,function,or

sionTechnologies,tassumeanyliabilityarisingoutoftheapplicationoruofanyproductorcircuitdescribed

herein;neitheofthispublicationmaybecopiedorrepro-

duced,inanyformwithoutthepriorwrittenconntofOmniVisionTechnologies,Inc.

OrderingInformation

PartNumberDescriptionComments

OV7620ColorDigitalSensor48pinLCC

Sensor

Array

DIE

TopView

PackageCenter

(0,0)

ArrayCenter

(0.0094,0.0015)

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