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1、二、英文原文MicrocontrollerUnitFirst,thedevelopmentofsimulatorThroughoutnearlytwodecadesofnationaldevelopmentprocessofsimulationtechnology,accordingtosimulatortechnologytobeusedtodividethedomesticaboutthedesignofsimulatorscanbedividedintothefollowingperiods:
2、(1)thelate70sinthemid-80Thetechnologyduringthisperiodwasmainlythedevelopmentofsimulationsystems,nowisnothightechnology,theuserrequestisnothigh.(2)thelate80'sduringthelate-90ThemainuseofthisperiodwithanemulationfunctionWinbondchipproduction,thetechnolog
3、yiscalledBondout.Usingthischiptogreatlysimplifythedesignofemulator,sothestandardofdomesticemulatorwithalargeincreasecanbelargelyoccupiedbytheuserresources.Simulationperformanceisduetotheincreaseindomesticproductionintheemulatornearly10yearsnoprogressha
4、sbeenproducedusingthismodel.Althoughindividualcompanieshavealsotriedothertechniquestoimprovethesimulationofthestandard,forexample,HOOKStechnology,butbecauseoftheirtechnicallimitationsdidnotsucceed.InsteadabroadearliersimulatortechnologyusedHOOKS,HOOKSa
5、ttheinitialstageduetothecomplexityofthetechnologyitself,simulationperformanceandpriceasthedomesticuseofthesimulatorBondout.(3)After2000yearChinain2000emulatorperiodchangesinthemarket,thelargest,themoststrikingchangeistheWinbondW78958chipsimulationofthe
6、production.WinbondW78958chipduringthedesignstage,theinternalfunctionsofthesimulationonlytotheproductionsimulatortosimulatormanufacturersinordertobetterpromotetheW78958.Afterseveralyearsofchange,however,W78958simulatorevolvedintotheuseofasimulationofthe
7、ASICratherthanusingthestandardchip,thescopeofuseislimitedtodomesticand20,000ayearlessthantheamountthecompanyalsocontributedtotheWinbondAfterenteringin2002announcedthatitwouldstopproductionofthechip.W78958production,thedomesticmanufacturerssimulatorinav
8、eryembarrassingsituation.W78958useathomeasaresultofnearly10years,thedomesticuserbaseisverylarge,theseuserswillnotbeabletoreceivecontinuedsupport,especiallymaintenance.Inaddition,thedomesticfocusintheW78958onthetechnicalworkdonecannotber
