ApplicationReportSPRAAQ7A–July2008TMS320x281xtoTMS320x2833xor2823xMigrationOverviewLoriHeustess..................................................................................................................AECC2000ABSTRACTThisapplicationreportdescribesdifferencesbetweentheTexasInstrumentsTMS320x281xandtheTMS320x2833xandTMS320x2823xDigitalSignalControllers(DSCs)toassistinapplicationmigration.Whilethemainfocusofthisdocumentismigrationfrom281xto2833x/2823x,youwillalsofindthisdocumentusefulifyouareconsideringmigratinginthereversedirection.Functionsthatareidenticalinbothdevicesarenotnecessarilyincluded.Alleffortshavebeenmadetoprovideacomprehensivelistofthedifferencesbetweenthetwodevicegroupsinthe28xgeneration.Contents1Introduction..........................................................................................22CentralProcessingUnit(CPU)...................................................................33DevelopmentTools.................................................................................34PackageandPinout................................................................................45OperatingFrequencyandPowerSupply........................................................46PowerSequencing.................................................................................57SARAM..............................................................................................58FlashandOTP......................................................................................69BootROM...........................................................................................710ClocksandSystemControl.......................................................................911Peripherals.........................................................................................1212Interrupts...........................................................................................1913ErrataFixes........................................................................
