Smart camera systemCMOS image sensor andimaging processor for ADAS

ST’s new camera-based advanced driver assistance system helps customers develop secure and high quality automotive applications

This smart camera system consists of a VG6640 high-performance 1.3-megapixel HDR image sensor and a versatile STV0991 system-on-chip with advanced and instant HDR image signal processing.It’s a perfect solution for a compact, low component count and low energy-consuming camera system for automotive and security applications.

TargeT aPPLICaTIONS• Automotive

• Ethernetrear-viewcamera• Smartrear-viewcamera• Surround-viewcamera• TrafficAlertcamera• Virtualmirrorreplacement• In-cabincamera

• Consumer/Security• IPandSkypecamera• Dronecamera• Surveillanceandintruderalarmcamera

• Buildingmanagementsmartcamera

• WearableAVrecorder

KeY beNefITS • Front-sideIlluminatedtechnologywith3.75micronpixelsize

• Outstandingdynamicrangeof132dB

• Best-in-classlow-lightsignal-to-noiseratio

• LEDflickermitigation

• Self-contained,HDRimageprocessor

• ARM®Cortex®-R4core@500MHz

• 2-MbyteSRAMand2-MbyteFlashmemory

• MIPIandParallelInandOutinterfaces

• Dedicatedhardwareenginesforvideoanalytics(opticalflow,edgedetection)andgeometricallenscorrection

• Graphicsoverlaywithtransparency

• H.264I/PencoderandJPEG8/12-bitvideocompressionwithnoDRAM

• Fail-safestrategysupport(ISO26262)

• AEC-Q100Grade2qualified

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Part number Package sizeOperating temperature

(Tj min, max)analog supply voltage (VCC)

Digital supply voltage (VDIg)

Output format frame ratio

Vg6640Im2BGA

9.0 x 9.3 mm-40 °C125 °C

2.8 V1.8 V2.8 V

RGB Bayer45 fps at full resolution,

60 fps at 720 p resolution

STV0991TFBGA

10.0 x10.0 mm-40 °C125 °C

2.5 V1.1 V

1.8/3.3 V1.2 V

JPEG/RGB/YUV/H.264

JPEG 8-bit/12-bit, 5/2.1 MPixel@30 fpsH.264 baseline I,P, 2.1 MPixel@30 fps

SYSTeM DeSCrIPTIONTheVG6640imagesensoroffersanoutstandingdynamicrangeof132dB,thehighestonthemarket,thankstoitsHDRpixelarchitecture.Thesensorproposesvariousconfigurationmodesthatmakethiscameraperfectforanytrickylightingenvironment.Basedonthreeintegrationtimes,thesensorwillnotmissanydetailsofthesceneandtheLEDflickerwillbemitigated.Thesensoralsoprovidesadualconversiongainfunctionthatisparticularlysuitableforimprovingsensitivityinlowlightconditions.That’swhytheminimumdieilluminationisonly1mLux.What’smore,theVG6640offersahighlevelofASILfunctions.TheSTV0991companionchipisaself-containedimageprocessorthatdoesnotrequireanexternalmemoryforitsoperations,includingforpredictiveH.264videoencoding.Adedicatedimagereconstructionpath,withspecificimagescalingandcolorspacetransformationsupport,feedstwohardware-acceleratedvideoanalyticsfunctions:the‘edgedetection’and‘opticalflow’.Theseblocksprovideenergy-efficientpixels-processinghorsepowerthatenableslocalexecutionoflightweightsoftware-implementedADASalgorithmssuchas‘CrossTrafficAlert’.Moreover,theexecutionattheECUlevelofmorecomplexalgorithms,suchas‘structurefrommotion’and‘objectsclassification’,isdoneatlargelyreducedcomputationalcost.ThisversatilesmartcamerasolutioniscomplementedbyawiderangeofexternalinterfacesforgenericperipheralsincludingnetworksupportforbothEthernetandLVDSconnectivity.

PrODUCTS DeTaILS

SYSTeM bLOCK DIagraM

*Optionalelements

The STMicroelectronics corporate logo is a registered trademark of the STMicroelectronics group of companies All other names are the property of their respective owners

For more information on ST products and solutions, visit www.st.comOrder code: FLCMOSADAS0316

Supply

STV0991

Supply

Supply In

(R)(G)MI

27 MHz

Clock

I2S Out

LN1 ....LN6

CAN

Parallel Video Out

SDIOSDIO

I/O

I2C

I2CI2S In

Mic InI2C

VideoFsync

CAN bus

IRIlluminator*

Dig.Microphone

Ultrasonicsensors

ALS*

H.264, Mjpeg,Control, FW update

100/1000 Base-TxBroadR-Reach™

PALNTSC CVBS

STP cable

Radio

AudioChip

VG6640

EthernetPhy

Analog TVcoder

LVDSserializer

CANRxTx

LINRxTx

Powermanagement

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Smart camera system explorer kit

Evaluationanddevelopmentboardavailable.ContactSTSalesOfficeformoreinformation