Whendevelopingasystemthatwillultimatelyutilizea
ROM-basedmicrocontroller(MCU),itisstilltypicalto
makeuseofanEPROM-basedMCUduringthefinal
stagesofthedesign.Initialdevelopmentmayalso
includetheuseofsometypeofemulatorsystem,but
prototypeunitsnormallymakeuseofawindowed
EPROMorOTPEPROMMCU,andthedesignisopti-mized/validatedbasedupontheperformanceofthe
EPROM-baseddevicewithout,inmanycases,taking
intoconsiderationpotentialdifferencesintheperfor-manceoftheROM-baseddevicethatwillultimatelybe
used.
AN721SystemDesignConsiderationsforImplementingaROMMicrocontrollerneedingtoconvertanexistingEPROM-baseddesignAuthor:RickStonekingtoROM,shouldthoroughlyreviewthisapplicationnoteMicrochipTechnology,Inc.todetermineifthepotentialforproblemsexist.Thisdocumentisnotintendedtobeanallencompassinglistofallpossibleissues,itissimplyareferenceresourceINTRODUCTION
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