SAA7115 NTSC/PAL/SECAM 9-Bit Video Decoder

SAA7115 NTSC/PAL/SECAM 9-bit Video Decoder

With adaptive 4-line comb filter, universal VBI slicer, pixel accurate scaler and enhanced Macrovision ® detection

COMB FILTER • Universal VBI Slicer • Macrovision ®

Philips Semiconductors www.semiconductors.philips.com Philips Semiconductors Flexible standardVBI read I backviaindustry • • Digital VCRs. • Video conferencing Videoeditingandpostproduction • andsecurity Videosurveillance • Linedoublersandscanconverters • • Digital televisions • DVD recorders FlatPanelDisplays • • Video projectors andsatelliteset-topboxes terrestrial, Cable, • Personal Video Recorders (timeshifting) • PCvideocapture andediting • checkouttheSAA7115for thefollowing: applications, aswell astomorrow’s hotnew digitalvideo products, For superiorperformance intoday’s PCandconsumer video Targeting next generation digitalvideoapplications pin-to-pincompatiblewithPhilipshighly LQFP100package, • Patentedreal-time control (RTC) for videoeditingand • and Ultrafastfield-lockfor advancedvideosurveillance • Universal VBI dataslicerincluding • WST 525/625 Teletext,VPS, Optionalsquare pixel outputrate • Automatic VCR detectionandoptimization • horizontalandverticalscaler pixel-accurate, Highperformance, • Best-in-classdynamically adaptive worldwide 4-linecombfilter • 6analoginputsallow flexiblecombinationsofCVBSandS-Video • Worldwide NTSC/PAL/SECAM decodingwithfull • Dual9-bitlow noiseanalog-to-digitalconverters with • offering thesemajorbenefits: video-capture device, The SAA7115from PhilipsSemiconductorsisafeature-packed Product highlights applications. making ittheidealsolutionfor amultitude of with Philips’highly successfulSAA7114 Video Decoder, itisfully pin-to-pincompatible Inaddition, switching. systemsrequiringvideo surveillance ultra-fastframe Specification Revision 1.00andisalsowell suitedfor complies withMacrovision’s Copy Protection Detect providersDesigned withservice inmindtheSAA7115 optional square pixel outputrate. aframeaccurateaudioclockandan H/V scaler, theSAA7115alsoincludesapixel accurate detection, SECAM signalsusingfully automaticstandard PAL and DecodingNTSC, projectors andHDTVs. including advancedlarge-screen devices suchasLCD provides videocapture for arange ofapplications theSAA7115 video decoderwith2x-oversampling, single-chip9-bit andDVD recorders.A personal video, videoprojectors, digitaltelevisions, set-top boxes, processing ofanalog videoinputsfor next-generation The SAA7115provides thefront-end digitizationand Comprehensive three-level hardware Macrovision • Teletext successful SAA7114. time-shift applications security applications certification SNBSVT 2/2,Gemstar 525/625, US NABTS,VITC 525/625(CGMS), US/European CloseCaptioning (CC),WSS auto-detection 2x-oversampling ® 1x/2x andMojiJapanese 2 C-bus ® detection Controlled viatheI audio clockfor anultralow jitterframe-locked audioclock. integratedCGCcanbeoptionally usedtoenhancethis the second, Furthermore between videoandaudioduringcapture orplayback. prevents lossofsynchronization orasetoffields.This with aframe, to ensure thesamenumber ofaudiosamplesisalways associated The SAA7115incorporatesframe-locked audioclockgeneration, aaiiyfralpormigrgses atupto400kbits/s. capability for allprogramming registers, or via the industry standard I or viatheindustry the versatile dataslicercanalsooutputthrough theimageport Programmable onaline-by-line basistooneof15datatypes, interpolating raw videosamplestotherequired dataoutput. theSAA7115 canuseitsscalerfor (VBIdata), blanking interval For capturing serially coded datainthevertical VGA controllers. reference16-bit outputdatawithauxiliary datafor interfacingto scaled8-or theSAA7115supports (IPort), At itsimageport an integratedbi-directional(XPort). expansionport – includingweaksignalsaswell and distorted asdigitalvideovia CVBS orS-Video(Y+C)from TV or VCR sources asanaloginputs Itaccepts standard ITU-601compatiblecomponentcolourvalues. andNTSCsignalsinto SECAM, decodes allvariationsofPAL, Itaccurately decoder andahigh-performance pixel-accurate scaler. adigitalmultistandard dual ClockGenerationCircuits (CGCs), The SAA7115features atwo-channel analogpreprocessing circuit, scaler orpicture-improvement processor. LCD to provide digitalbasebandvideotoany MPEGencoder, or ofa image port for capture tosystemmemory, VGA controller, includesinputtothe stream for any video-inputapplication.This theSAA7115 isdesignedtoprovide adigitalvideo standards, worldwide Highly integratedandsupporting video decoder. scaling androbust dataprocessing –looktotheSAA7115video When avideoapplication demandshighqualitydecoding–flexible and dataprocessing ononeIC scaling, Multistandard videodecoding, COMBINATIONS INPUTS ALLOW OF CVBSAND 6 ANALOG FLEXIBLE S-VIDEO 2 -u,theSAA7115offers fullwrite-read C-bus, PROCESSING ANALOG INPUT 2 C-bus. POWER-ON CONTROL ADC2 ADC1 CONTROL INPUT DATA VIDEO CLOCKS CVBS XTAL AND C S Y SYNCHRONIZATION PROCESSING PROCESSING LUMINANCE COMBING DYNAMIC CHROMA ENGINE S CONTROL SAA7115 V AUX PULSE CONTROL OUTPUT RTSx RTC Cb Cr Y S Video acquisition and clock generation features - US/European Close Captioning (CC) - WSS 525/625 (CGMS) The analog pre-processing circuit incorporates source selection, - US NABTS anti-aliasing filters and two low-noise analog-to-digital converters. - VITC 525/625 This sub-system includes input clamps, white-peak control and - Gemstar® 1x/2x user-selectable automatic or fully programmable gain control to - Moji Japanese Teletext. match specific signal properties.The 9-bit low-noise CMOS • Flexible VBI read back via industry standard I2C-bus of the analog-to-digital converters provide high performance with following decoded data types: oversampling at 27 MHz – twice the ITU-601 standard. - US/European Close Captioning (CC) On-chip line-locked clock generation also complies with ITU-601 - WSS 525/625 (CGMS) and offers free-running capability with horizontal and vertical - Gemstar® 1x/2x. synchronization generation.

• Six analog inputs with internal analog source selectors, e.g. 6x CVBS or (2 x YC and 2 x CVBS) or (1 x YC and 4 x CVBS) SAA7115 • Two built in analog anti-aliasing filters • Dual 9-bit low noise analog-to-digital converters with 2x-oversampling • Fully programmable static gain or automatic gain control (AGC) for the selected CVBS or Y/C channel • Automatic Clamp Control (ACC) for CVBS,Y and C • Switchable white peak control Leading Competitor • Requires only one crystal (32.11 MHz or 24.576 MHz) for all standards • Independent gain and offset adjustment for raw data path • On-chip line locked clock generation according to ITU-601 • Generation of a frame locked audio master clock to support a SAA7115 constant number of audio clocks per video field • Second onboard analog PLL can be used for: - on-chip line-locked square pixel clock generation for PAL and NTSC square pixel video output or - optional generation of a low jitter frame-locked audio clock from the audio master clock, through reuse of the analog Leading Competitor square pixel PLL. Supports audio clock frequencies of 256*fs, 384*fs and 512*fs (fs = 32 kHz, 44.1 kHz or 48 kHz). • Versatile universal VBI-data decoder, slicer, clock regeneration and byte synchronization for: - WST 525/625 Teletext - VPS Video decoder features

The decoder in the SAA7115 is based on the principle of line-locked clock decoding, yielding the highest quality video with VIDEO DECODER maximum discrimination and automation.The decoder features advanced two-dimensional chrominance/luminance separation using a dynamically adaptive comb filter.

H PORT TASK AND EVENT CONTROLLER • Digital PLL for synchronization and clock generation for all standards and from non-standard video sources, e.g. consumer grade VCR Y Cb Cr HORIZONTAL PROCESSING • Automatic detection of 50 Hz / 60 Hz field frequency, and automatic recognition of all common broadcast standards Y Cb Cr S BCS SCALER • Enhanced horizontal and vertical sync detection CONTROL FIR-PREFILTER I PORT • Luminance and chrominance signal processing for PAL BGDHIN, DECODER OUTPUT 8- or 16-BIT OUTPUT VERTICAL FORMATTER combination-PAL N, PAL M, NTSC M, NTSC-Japan, NTSC 4.43 SCALED CONTROL PROCESSING AND DATA and SECAM (50 Hz / 60 Hz) VIDEO FIFO • High performance 2/4-line comb filter for two-dimensional chrominance/luminance-separation operating with dynamically adaptive comb filter parameters UNIVERSAL VBI ENGINE • Independent Brightness Contrast Saturation (BCS) adjustment

Y Cb Cr S • User programmable sharpness control • Automatic TV/VCR detection AUDIO X PORT I2C PORT BOUNDARY CLOCKS SCAN • X-port video output as: - noise shaped 8-bit ITU-656 video or X PORT DATA I2S - full 10-bit ITU-656 interface (DC-performance 9-bit). I2C MSD805 AND CLOCKS • Certification for detection of copy protected input signals: SYNC - according to Macrovision’s Copy Protection Detect Specification Revision 1.00 - indicating level of protection. Video scaler features Additional features

The versatile scaler provides variable horizontal and vertical The SAA7115 provides flexibility for easy, cost-effective design of up- and down-scaling to randomly sized windows and has today’s video applications. Philips Semiconductors independent brightness, contrast and saturation control for scaled outputs.Vertical scaling offers linear phase interpolation; • Generation of an audio serial and left/right (channel) clock 6-bit phase accuracy and an accumulating filter for anti-aliasing. signal Horizontal phase-correct up- and down-scaling means improved • Real-time signal port includes continuous line-locked reference signal quality of scaled data, especially for compression and video clock and real-time status information to support RTC level conferencing applications.This scaling, at 6-bit phase accuracy 3.1 standard (1.2 ns step width), uses an anti-aliasing and accumulating filter. • Power-on control • CMOS 3.3 V device with 5 V tolerant digital inputs and I/O • Horizontal and vertical down-scaling and up-scaling to ports randomly sized windows • Software controlled power-saving standby modes • Horizontal and vertical scaling range: variable zoom to 1/64 • Programming via serial I2C-bus; full read-back by an external (icon) (Note: H and V zoom are restricted by the transfer data controller, at a rate of up to 400 kbits/s rates) • Boundary-scan test circuit conforming to IEEE-1149.b1-1994 • Vertical scaling with linear phase interpolation and • Available in LQFP100 (SOT407-CD5) package accumulating filter for anti-aliasing (6 bit phase accuracy) • Pin-to-Pin compatible with Philips Semiconductors SAA7114 • Conversion to square pixel format video decoder. • Generation of a video output stream with improved synchronization grid at the I-Port • Two independent programming sets (tasks) for scaler, which define two “ranges” per field or two sequences over frames • Fieldwise switching between decoder and expansion port (X-port) input • Brightness, contrast and saturation controls for scaled outputs.

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The Netherlands November 2001 9397 750 09016

Philips Semiconductors