ARM микропроцесор

Серия от продукти

ARMhasdesignedmanyprocessors,whichcanbedividedintovariousseriesaccordingtothedifferentcoresused.TheseriesdivisionisbasedonARM7,ARM9,ARM10,andARM11cores.Thesuffixnumbers7,9,10,and11indicatedifferentcoredesigns.Ascendingnumbersindicateperformanceandcomplexityimprovements.ARM8wasquicklyreplacedafteritwasdeveloped.

Ineachseries,therearealsomanychangesinmemorymanagement,cacheandTCMprocessorexpansion.ARMcontinuestodofurtherdevelopmentinboththeavailableproductseriesandthedifferentvariantswithineachseries.

Структура

TounderstandaCPU,wemustfirstunderstanditsarchitecture,registerstructureandinstructionstructure.OnlybythoroughlyunderstandingthesethreeaspectscanthisCPUbedistinguishedfromotherdifferenttypesofCPUsandcantrulyusethisCPUfordevelopmentwork.

Избор

InviewofthemanyadvantagesofARMmicroprocessors,withthegradualdevelopmentofembeddedapplicationsathomeandabroad,ARMmicroprocessorswillinevitablygainextensiveattentionandapplications.However,becausetheARMmicroprocessorhasmorethanadozencorestructures,dozensofchipmanufacturers,andtheever-changingcombinationofinternalfunctionconfigurations,itbringscertaindifficultiestodeveloperswhenchoosingasolution.Therefore,theARMchipItisveryimportanttodosomecomparativeresearch.

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