Stellaris®LM3S5B91MicrocontrollerDATASHEETCopyright©2007-2012TexasInstrumentsIncorporatedDS-LM3S5B91-11425TEXASINSTRUMENTS-PRODUCTIONDATA芯天下--©2007-2012TexasInstrumentsIncorporatedAllrightsreserved.StellarisandStellarisWare®areregisteredtrademarksofTexasInstrumentsIncorporated.ARMandThumbareregisteredtrademarksandCortexisatrademarkofARMLimited.Othernamesandbrandsmaybeclaimedasthepropertyofothers.PRODUCTIONDATAinformationiscurrentasofpublicationdate.ProductsconformtospecificationsperthetermsofTexasInstrumentsstandardwarranty.Productionprocessingdoesnotnecessarilyincludetestingofallparameters.Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.TexasInstrumentsIncorporated108WildBasin,Suite350Austin,TX78746://芯天下--(TPIU).....................................................................................782.2.4Cortex-M3SystemComponentDetails...........................................................................782.3ProgrammingModel......................................................................................................792.3.1ProcessorModeandPrivilegeLevelsforSoftwareExecution...........................................792.3.2Stacks..........................................................................................................................792.3.3RegisterMap................................................................................................................