LM3S1G21-IBZ80-A1T,LM3S1G21-IQC80-A1T,LM3S1G21-IBZ

Stellaris®LM3S1G21MicrocontrollerDATASHEETCopyright©2007-2012TexasInstrumentsIncorporatedDS-LM3S1G21-11425TEXASINSTRUMENTS-PRODUCTIONDATA芯天下--©2007-2012TexasInstrumentsIncorporatedAllrightsreserved.StellarisandStellarisWare®areregisteredtrademarksofTexasInstrumentsIncorporated.ARMandThumbareregisteredtrademarksandCortexisatrademarkofARMLimited.Othernamesandbrandsmaybeclaimedasthepropertyofothers.PRODUCTIONDATAinformationiscurrentasofpublicationdate.ProductsconformtospecificationsperthetermsofTexasInstrumentsstandardwarranty.Productionprocessingdoesnotnecessarilyincludetestingofallparameters.Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.TexasInstrumentsIncorporated108WildBasin,Suite350Austin,TX78746://芯天下--(TPIU).....................................................................................562.2.4Cortex-M3SystemComponentDetails...........................................................................562.3ProgrammingModel......................................................................................................572.3.1ProcessorModeandPrivilegeLevelsforSoftwareExecution...........................................572.3.2Stacks..........................................................................................................................572.3.3RegisterMap................................................................................................................582.3.4RegisterDescriptions................................................................................................