DSP处理器的低功耗设计与研究

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1、西北工业大学硕士学位论文DSP处理器的低功耗设计与研究姓名：李钊辉申请学位级别：硕士专业：软件工程指导教师：樊晓桠20060501AbstractWithtlledevelopmeⅡtofinfomationa1Idmultimcdiatechnology，thereemergencesas仃ongdem蛆dsforlowpowerdigitalprocessor，whichillcludeswirelcssl砌smission，mobilccomput抽岛hi曲pe血珊柚cecomputhl吕hi曲speednetworkaIlds00n．Theth骼ismainlyst

2、udiesonthelowpowerDSPpmccssordesignmethodsthmughtlledesi印of16一bitDsPpmcessor，觚dm皿impl锄entstllemOdulesthattal(esi印iflcantpowerc0璐umption0fthepmcessor．nethesisanaIyzesthcCMOSpoweIch锄cterfi船tly．砀舳itdiscussesthepowerestimationtecbIniques，tlIetlleoryofencrgy·effidentalldthemeasllringofDSPproccs

3、sorene培了efficiency．Lastly’thetIlesisdiscus∞stlle10wpowerdesignaIIdimpl锄en￡stechniqucsindif6e啪tleVel．11le16一bi￡DsPpfoceSSorlowpowefdesj弘stmtegyispr0Videdb勰edonthefomcrdiscIlssion．111etlIesisalsosimplydiScIlssesmepl施皿oflowpowerdcsi印．TheEDAtoolscallrealizedi恤蚴tlowpowerdesign．Themuhipliertakes

4、asi鲷ific卸tillnuenceontllepowerdissipationofDSPprocessor．Thethesisa11alyz髂thepowercharactcr0fthetmditionalBootha190ritllmalldRadi)【-4BoothalgorithIn，andthenappliestheRadix-4B00thalgorithmtotlIemultiplierdesi酽．皿et11esis∞mpletesthelowpowermu撕plier如si铲byIheo蛳mizationofCSAand4—2CompressoLBe咖seo

5、falarge锄ountof8-bitco玎叩utinginDSPpmces∞f'tlletlIesispmposesanarrayselectablemultiplierdesign，whichcankeepbettcrlowpclwerch缸acterdynami∞llyindifl．erent印plicatiOns．optimiziI唱mepower∞Ⅱsumption0faddI弓ssbusallddatabusisalsoimponantinDSPprocessoL111ethesis跏lyzesthebuspowrcrchander姐dthe10wpoweren

6、codingtheo哆Accordingtothe10calchmcterofaddrcssbusin16．b“DSPprocessorthe

7、hesisiInproVestheTOencodingscheme．T1leprogrambusanddatabusarebothdesi印edbydyn锄ic100k—uptableencodillgmetIlod．1ntlle16-bitDSPproccssortIlelowpowerdes咖methodsinsyst锄levelaremainlyappliestopredidtheidletimeOftllesystemand

8、automaticallytr蛐sjtt圭le10wpowcrmodeofttlepfocessof．Thethesis百VesamodificationoftlIeidletimepredictmcthod，whichcanavOidtheinfluenceofthemaximumandmillimumoftlleDastjdletimeaIIdthesmallertendencyofthepredictionjdletime．IJastly，thcmesisimplemeⅡtsthecIocktIIlit，wh