嵌入式硬件设计参考系列之如何选择DSP处理器？.pdfChoosingaDSPProcessorBerkeleyDesignTechnology,Inc.IntroductionAsecondfeaturesharedbyDSPprocessorsistheabilitytocompleteseveralaccessestomemoryinasin-DSPprocessorsaremicroprocessorsdesignedtoper-gleinstructioncycle.Thisallowstheprocessortofetchformdigitalsignalprocessing―themathematicalma-aninstructionwhilesimultaneouslyfetchingoperandsnipulationofdigitallyrepresentedsignals.Digitalsignaland/orstoringtheresultofapreviousinstructiontoprocessingisoneofthecoretechnologiesinrapidlymemory.Forexample,
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