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1、ARMoutlined1.1ARM-Advanced RISC MachinesARM-AdvancedRISCMachinesisthoughttobeacompanyname,canbeconsideredtobeatypeknownasthemicroprocessor,canbeconsideredatechnicalname.ARMcompanywasestablishedinCambridgein1991,Itmainlysalesmandateofchipdesigntechnology.Atpresent,thete
2、chnologyusedARMIntellectualProperty(IP)Coremicroprocessors,thatis,weusuallyrefertoastheARMmicroprocessor,whichcovertheindustrialcontrol,andconsumerelectronicproducts,communicationssystems,networksystems,wirelesssystemsandotherproductsmarket,BasedontheARMmicroprocessort
3、echnologyapplicationwasabouta32-bitRISCmicroprocessor75%abovetheshareofthemarket,ARMtechnologyisgraduallyinfiltratedintoourlivesinvariousareas.ARMcompanyspecializingintechnology-basedRISCchipdesignanddevelopmentcompany,asasupplierofintellectualpropertyrights,itshouldno
4、tbedirectlyinvolvedintheproductionofsiliconchipsDesignpermitsthroughtheassignmentofcooperationfromtheproductioncompanyofspecialchips,theworld'smajorsemiconductormanufacturersfromthecompanytobuyitsARMmicroprocessordesignnuclear,Accordingtodifferentapplicationareas,toadd
5、appropriateexternalcircuit,therebyformingitsownARMmicroprocessorchipmarket.Currently,therearedozensoftheworld'slargestsemiconductorcompaniesareusingmandateofARM,SonotonlymakesARMtechnologytogetmorethird-partytools,manufacture,thesupportofthesoftware,sothatthewholesyste
6、mcanreducecosts,makeourproductsmoreeasilyenterthemarkettobeacceptablebyconsumersandmorecompetitive.1.2ARMmicroprocessorapplicationareasandfeatures1.2.1ARMmicroprocessorapplicationareasSofar,theARMmicroprocessortechnologyandtheapplicationalmostwenttovariousareas:1.Indus
7、trialcontrolareas:asa32bitRISCstructure,ARM-basedmicrocontrollerchipswilloccupythehigh-endmicro-controllermarketmostofthemarketshare.alsograduallytothelow-endmicro-controllerapplicationsexpansion,ARMmicrocontrollerwithlowpowerconsumption,highperformance-costratio.Andgi
8、veachallengetotraditional8/16Microcontrollers.2.Thewirelesscommunicationsfield:Atpresent,morethan85%ofwirelesscommuni