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RevisionHistory
SM320C6455-EP
FIXED-POINTDIGITALSIGNALPROCESSOR
SPRS462B–SEPTEMBER2007–REVISEDJANUARY2008
NOTE:Pagenumbersforpreviousrevisionsmaydifferfrompagenumbersinthecurrentversion.
ThisdatasheetrevisionhistoryhighlightsthetechnicalchangesmadetotheSPRS276Gdevice-specific
datasheettomakeitanSPRS276Hrevision.
Scope:ApplicableupdatestotheC64xdevicefamily,specificallyrelatingtotheSM320C6455-EPdevice,
havebeenincorporated.
C6455RevisionHistory
SEEADDITIONS/MODIFICATIONS/DELETIONS
GlobalAdded1.2-GHzdeviceinformation
Section1Features:
Added0.83-nsinstructioncycletime
Added1.2-GHzclockrate
Section2.1DeviceCharacteristics:
Table2-1,CharacteristicsoftheC6455Processor:
Added1200(1.2GHz)Frequency
Added0.83ns(C6455-1200)[1.2-GHzCPU]CycleTime
Added-1200deviceto1.25-VCoreVoltage
Section2.8.2DeviceSupport:
AddedDeviceSpeedRange2=1.2GHztoFigure2-13,C64x+™DSPDeviceNomenclature(includingthe
SM320C6455-EPDSP)
Section6.3ElectricalCharacteristicsOverRecommendedRangesofSupplyVoltageandOperatingCaseTemperature
AddedarowtoP
CDD
CoresupplypowerforCPUfrequency=1200MHzwithaTYPvalueof1.79W
AddedarowtoP
DDD
I/OsupplypowerforCPUfrequency=1200MHzwithaTYPvalueof0.54W
Section7C64x+PeripheralInformationandElectricalSpecifications:
Added-1200toalltimingandswitchingcharacteristicstables
Section7.7.1PLL1ControllerDevice-SpecificInformation:
Changedthirdparagraphto...PLLOUTissetto1200MHz...
ChangedPLLOUTMAXvalueto1200MHzinTable7-16,PLL1ClockFrequencyRanges
Section7.8PLL2andPLL2Controller:
ChangedC162valueto0.1µFinFigure7-23,PLL2BlockDiagram
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