ApplicationReportSPRAAQ8–July2008TMS320x280xtoTMS320x2833xor2823xMigrationOverviewLoriHeustess..................................................................................................................AECC2000ABSTRACTThisapplicationreportdescribesdifferencesbetweentheTexasInstrumentsTMS320x280x/2801x/2804xandTMS320x2833x/2823xDigitalSignalControllers(DSCs)toassistinapplicationmigration.Whilethemainfocusofthisdocumentismigrationfrom280x/2801x/2804xto2833x/2823x,youwillalsofindthisdocumentusefulifyouareconsideringmigratinginthereversedirection.Functionsthatareidenticalinbothdevicesarenotnecessarilyincluded.Alleffortshavebeenmadetoprovideacomprehensivelistofthedifferencesbetweenthetwodevicegroupsinthe28xgeneration.Contents1Introduction..........................................................................................22CentralProcessingUnit(CPU)...................................................................33DevelopmentTools.................................................................................34PackageandPinout................................................................................45OperatingFrequencyandPowerSupply........................................................46PowerSequencing.................................................................................57MemoryMap........................................................................................58ClocksandSystemControl.......................................................................89Peripherals.........................................................................................1010Interrupts...........................................................................................1411ErrataFixes........................................................................................1512References.........................................................................................1513VersionHistory.......................................................