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1、PM0075ProgrammingmanualSTM32F10xxxFlashmemorymicrocontrollersIntroductionThisprogrammingmanualdescribeshowtoprogramtheFlashmemoryofSTM32F101xx,STM32F102xx,STM32F103xx,STM32F105xxandSTM32F107xxmicrocontrollers.Forconvenience,thesewillbereferredtoasSTM32F10xxx
2、intherestofthisdocumentunlessotherwisespecified.TheSTM32F10xxxembeddedFlashmemorycanbeprogrammedusingin-circuitprogrammingorin-applicationprogramming.Thein-circuitprogramming(ICP)methodisusedtoupdatetheentirecontentsoftheFlashmemory,usingtheJTAG,SWDprotocolo
3、rthebootloadertoloadtheuserapplicationintothemicrocontroller.ICPoffersquickandefficientdesigniterationsandeliminatesunnecessarypackagehandlingorsocketingofdevices.IncontrasttotheICPmethod,in-applicationprogramming(IAP)canuseanycommunicationinterfacesupported
4、bythemicrocontroller(I/Os,USB,CAN,UART,I2C,SPI,etc.)todownloadprogrammingdataintomemory.IAPallowstheusertore-programtheFlashmemorywhiletheapplicationisrunning.Nevertheless,partoftheapplicationhastohavebeenpreviouslyprogrammedintheFlashmemoryusingICP.TheFlash
5、interfaceimplementsinstructionaccessanddataaccessbasedontheAHBprotocol.ItimplementsaprefetchbufferthatspeedsupCPUcodeexecution.ItalsoimplementsthelogicnecessarytocarryoutFlashmemoryoperations(Program/Erase).Program/Eraseoperationscanbeperformedoverthewholepr
6、oductvoltagerange.Read/Writeprotectionsandoptionbytesarealsoimplemented.Table1liststhemicrocontrollersandevaluationtoolconcernedbythisprogrammingmanual.Table1.ApplicableproductsTypeApplicableproductsSTM32F101xx,STM32F102xx,STM32F103xx,STM32F105xxandMicrocont
7、rollersSTM32F107xxmicrocontrollersEvaluationtoolSTM3210C-EVALevaluationboardAugust2012DocID17863Rev21/31www.st.comContentsPM0075Contents1Overview..................................................61.1Features...................................................
8、61.2Flashmoduleorganization.....................................62Reading/programmingtheembeddedFlashmemory.............112.1Introduction...............................................112.2Reado
