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1FunctionalDescription
1.1DescriptionOverview
User'sGuide
SLEU069A–February2006–RevisedJuly2006
TVP5154EVMUser'sGuide
TheTVP5154EVMevaluationmoduleisaprintedcircuitboarddesignedforevaluationoftheTVP5154
quadvideodecoder.TheboardincludestheTMS320DM642digitalsignalprocessor(DSP)andis
designedwitha120-pinconnector,whichallowsaconnectiontomultiplebackends;theevaluationmodule
(EVM)isshippedwithaprofessionalencodermodule.Theboardisdesignedtoprovideeaseofuse,while
allowingfullevaluationofthevideodecoder.
TheTVP5154EVMusesthePCparallelporttoemulatetheI
2
Cbus,whichprovidescommunicationwith
theTVP5154videodecoder,DM642,andthevideoencoder.TheWindows™VideoControlCenter
(WinVCC)applicationsoftwarethatcommunicateswiththedevicesviatheI
2
CisprovidedontheEVM
CD-ROM.
TheanalogvideoinputssupportedbytheTVP5154EVMincludecompositevideoandS-video.Moredetail
aboutthevideoinputsisdiscussedinsection2.3VideoInputDescription.Ingeneral,thevideodecoder
convertstheanalogvideoinputsignalintodigitalcomponentdata.Thisdataandtheassociatedclocks
fromthevideodecoderaresenttotheDM642,whichprovidesvariousimagecaptureanddisplaymodes.
TheDM642issetupinI
2
CslavemodeandiscontrolledthroughvirtualI
2
Cregisters.Thevideoencoder
thenconvertsthedigitaldatafromtheDM642backintoanalogvideo.Theanalogvideooutputssupported
bytheEVMincludecompositevideo,S-video,andcomponentvideo.Thesearealloutputsimultaneously.
ToexperimentwiththeprogrammablefeaturesoftheTVP5154videodecoderandthevideoencoder,the
parallelportoftheTVP5154isconnectedtotheparallelportofaPC.WinVCC,aWindows-compatible
applicationprovidestheuserinterfaceforperformingregister-levelandhigh-levelcontroloftheTVP5154
videodecoderandthevideoencoder.
CodeComposerStudioisatrademarkofTexasIntruments.
Allothertrademarksarethepropertyoftheirrespectiveowners.
TVP5154EVMUser'sGuide 6SLEU069A–February2006–RevisedJuly2006
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