Getting-started-with-STM32F4xxxx-MCU-hardware-deve

August2015DocID026304Rev41/48AN4488ApplicationnoteGettingstartedwithSTM32F4xxxxMCUhardwaredevelopmentIntroductionThisapplicationnoteisintendedforsystemdesignerswhorequireanoverviewofthehardwareimplementationofthedevelopmentboard,withfocusonfeatureslike•powersupply•packageselection•clockmanagement•resetcontrol•bootmodesettings•debugmanagement.Thisdocumentshowshowtousethehigh-densityhigh-performancemicrocontrollerslistedinTable1,anddescribestheminimumhardwareresourcesrequiredtodevelopanapplicationbasedonthoseproducts.Detailedreferencedesignschematicsarealsocontainedinthisdocument,togetherwithdescriptionsofthemaincomponents,interfacesandmodes.Table1.ApplicableproductsTypePartnumbersandProductlinesMicrocontrollersSTM32F401xB/STM32F401xCSTM32F401xD/STM32F401xESTM32F405/415lineSTM32F407xE/STM32F407xGSTM32F411xC/STM32F411xESTM32F417xE/STM32F417xGSTM32F427/437lineSTM32F429xE/STM32F429xG/STM32F429xISTM32F439xG/STM32F439xISTM32F446xC/STM32F446xE/STM32F446xLSTM32F469/479line(POR)/powerdownreset(PDR).................122.3.2Programmablevoltagedetector(PVD).........................132.3.3Systemreset.............................................132.3.4PDR_ONcircuitryexample..................................142.3.5NRSTcircuitryexample(forSTM32F411xx,STM32F446xxandSTM32F469xx/F479xxonly).................................162.3.6RegulatorOFFmode.......................................182.3.7RegulatorON/OFFandinternalresetON/OFFavailability..........203Package..................................................213.1PackageSelection..........................................213.2PinoutCompatibility.........................................233.2.1CompatibilitywithinSTM32F4xfamily..........................243.2.2CompatibilitywithSTM32F1xandSTM32F2xfamilies.............263.3AlternateFunctionmappingtopins.............................284Clocks....................................................294.1HSEOSCclock............................................294.1.1Externalsource(HSEbypass)................................304.1.2Externalcrystal/ceramicresonator(HSEcrystal).................304.2LSEOSCclock.............................................314.2.1Externalsource(LSEbypass)................................314.2.2Externalcrystal/ceramicresonator(LSEcrystal)..................314.3Clocksecuritysystem(CSS)..................................32DocID026304Rev43/48AN4488Contents35Bootconfiguration.........................................335.1Bootmodeselection.........................................335.2Bootpinconnection.........................................335.3Embeddedbootloadermode..................................346Debugmanagement........................................356.1Introduction...............................................356.2SWJdebugport(serialwireandJTAG)..........................356.3Pinoutanddebugportpins...................................356.3.1SWJdebugportpins.......................................356.3.2FlexibleSWJ-DPpinassignment.............................366.3.3Internalpull-upandpull-downresistorsonJTAGpins..............366.3.4SWJdebugportconnectionwithstandardJTAGconnector.........377Recommendations.........................................387.1Printedcircuitboard.........................................387.2Componentposition.........................................387.3Groundandpowersupply(VSS,VDD)...........................387.4Decoupling................................................387.5Othersignals..............................................397.6UnusedI/Osandfeatures....................................398Referencedesign..........................................408.1Description................................................408.1.1Clock...................................................408.1.2Reset...................................................408.1.3Bootmode...............................................408.1.4SWJinterface............................................408.1.5Powersupply.............................................408.2Componentreferences.......................................419Revisionhistory...........................................47ListoftablesAN44884/48DocID026304Rev4ListoftablesTable1.Applicableproducts.......................................................1Table2.Referenceddocuments.....................................................6Table3.RegulatorON/OFFandinternalpowersupplysupervisoravailability.................20Table4.P