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1、英文資料及中文翻譯TheDesignofaRapidPrototypePlatformforARMBasedEmbeddedSystemHardwareprototypeisavitalstepintheembeddedsystemdesign.Inthispaper,wediscussourdesignofafastprototypingplatformforARMbasedembeddedsystems,providingalow-costsolutiontomeettherequestofflexibilityandtestabilityinembeddedsystem
2、prototypedevelopment.Italsoencouragesconcurrentdevelopmentofdifferentpartsofsystemhardwareaswellasmodulereusing.ThoughthefastprototypingplatformisdesignedforARMbasedembeddedsystem,ourideaisgeneralandcanbeappliedtoembeddedsystemofothertypes.I.INTRODUCTIONEmbeddedsystemsarefoundeverywhere,inc
3、ludingincellulartelephones,pagers,VCRs,camcorders,thermostats,curbsiderental-carcheck-indevices,automatedsupermarketstockers,computerizedinventorycontroldevices,digitalthermometers,telephoneansweringmachines,printers,portablevideogames,TVset-topboxes--thelistgoeson.Demandforembeddedsystemis
4、large,andisgrowingrapidly.Inordertodelivercorrect-the-first-timeproductswithcomplexsystemrequirementsandtime-to-marketpressure,designverificationisvitalintheembeddedsystemdesignprocess.Apossiblechoiceforverificationistosimulatethesystembeingdesigned.Ifahigh-levelmodelforthesystemisused,simu
5、lationisfastbutmaynotbeaccurateenough,withalow-levelmodeltoomuchtimemayberequiredtoachievethedesiredlevelofconfidenceinthequalityoftheevaluation.Sincedebuggingofrealsystemshastotakeintoaccountthebehaviorofthetargetsystemaswellasitsenvironment,runtimeinformationisextremelyimportant.Therefore
6、,staticanalysiswithsimulationmethodsistooslowandnotsufficient.Andsimulationcannotrevealdeepissuesinrealphysicalsystem.19Ahardwareprototypeisafaithfulrepresentationofthefinaldesign,guarantyingitsreal-timebehavior.Anditisalsothebasictooltofinddeepbugsinthehardware.Forthesereasons,ithasbecomea
7、crucialstepinthewholedesignflow.Traditionally,aprototypeisdesignedsimilarlytothetargetsystemwithalltheconnectionsfixedonthePCB(printedcircuitboards).Asembeddedsystemsaregettingmorecomplex,theneedsforthoroughtestingbecomeincreasinglyimportant.Advancesinsu