如何选择 DSP 处理器？.pdf

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,