ApplicationReportSPRAAQ8B–July2009TMS320x280xtoTMS320x2833xor2823xMigrationOverviewLoriHeustess..................................................................................................................AECC2000ABSTRACTThisapplicationreportdescribesdifferencesbetweentheTexasInstrumentsTMS320x280x/2801x/2804xandTMS320x2833x/2823xmicrocontrollerstoassistinapplicationmigration.Whilethemainfocusofthisdocumentismigrationfrom280x/2801x/2804xto2833x/2823x,youwillalsofindthisdocumentusefulifyouareconsideringmigratinginthereversedirection.Functionsthatareidenticalinbothdevicesarenotnecessarilyincluded.Alleffortshavebeenmadetoprovideacomprehensivelistofthedifferencesbetweenthetwodevicegroupsinthe28xgeneration.Contents1Introduction..................................................................................................................22CentralProcessingUnit(CPU)............................................................................................33DevelopmentTools.........................................................................................................34PackageandPinout........................................................................................................45OperatingFrequencyandPowerSupply................................................................................46PowerSequencing..........................................................................................................57MemoryMap.................................................................................................................58ClocksandSystemControl................................................................................................89Peripherals.................................................................................................................1010Interrupts....................................................................................................................1411ErrataFixes................................