STM32F031XX

Thisispreliminaryinformationonanewproductforeseentobedeveloped.Detailsaresubjecttochangewithoutnotice.January2014DocID025743Rev11/99STM32F031xxARM-based32-bitMCUwithupto32KbytesFlash,timers,ADCandcommunicationinterfaces,2.0-3.6VDatasheettargetspecificationFeaturesCore:ARM®32-bitCortex™-M0CPU,frequencyupto48MHzMemories–16to32KbytesofFlashmemory–4KbytesofSRAMwithHWparitycheckingCRCcalculationunitResetandsupplymanagement–Voltagerange:2.0to3.6V–Power-on/Power-downreset(POR/PDR)–Programmablevoltagedetector(PVD)–Lowpowermodes:Sleep,StopandStandby–VBATsupplyforRTCandbackupregistersClockmanagement–4to32MHzcrystaloscillator–32kHzoscillatorforRTCwithcalibration–Internal8MHzRCwithx6PLLoption–Internal40kHzRCoscillatorUpto39fastI/Os–Allmappableonexternalinterruptvectors–Upto25I/Oswith5Vtolerantcapability5-channelDMAcontroller1×12-bit,1.0μsADC(upto10channels)–Conversionrange:0to3.6V–Separateanalogsupplyfrom2.4upto3.6VUpto9timers–1x16-bit7-channeladvanced-controltimerfor6channelsPWMoutput,withdeadtimegenerationandemergencystop–1x32-bitand1x16-bittimer,withupto4IC/OC,usableforIRcontroldecoding–1x16-bittimer,with2IC/OC,1OCN,deadtimegenerationandemergencystop–1x16-bittimer,withIC/OCandOCN,deadtimegeneration,emergencystopandmodulatorgateforIRcontrol–1x16-bittimerwith1IC/OC–Independentandsystemwatchdogtimers–SysTicktimer:24-bitdowncounterCalendarRTCwithalarmandperiodicwakeupfromStop/StandbyCommunicationinterfaces–1xI2Cinterface;supportingFastModePlus(1Mbit/s)with20mAcurrentsink,SMBus/PMBus,andwakeupfromSTOP–1xUSARTsupportingmastersynchronousSPIandmodemcontrol;onewithISO7816interface,LIN,IrDAcapabilityautobaudratedetectionandwakeupfeature–1xSPI(18Mbit/s)with4to16programmablebitframes,withI2SinterfacemultiplexedSerialwiredebug(SWD)96-bituniqueIDExtendedtemperaturerange:-40to+105°CAllpackagesECOPACK®2Table1.DevicesummaryReferencePartnumberSTM32F031xxSTM32F031C4,STM32F031F4,STM32F031G4,STM32F031K4STM32F031C6,STM32F031F6,STM32F031G6,STM32F031K6LQFP487x7UFQFPN325x5TSSOP20UFQFPN284x4®CortexTM-M0corewithembeddedFlashandSRAM.........123.2Memories.................................................123.3Bootmodes...............................................123.4Cyclicredundancycheckcalculationunit(CRC)...................133.5Powermanagement.........................................133.5.1Powersupplyschemes.....................................133.5.2Powersupplysupervisors...................................133.5.3Voltageregulator..........................................133.5.4Low-powermodes.........................................143.6Clocksandstartup..........................................153.7General-purposeinputs/outputs(GPIOs).........................163.8Directmemoryaccesscontroller(DMA)..........................163.9Interruptsandevents........................................163.9.1Nestedvectoredinterruptcontroller(NVIC)......................163.9.2Extendedinterrupt/eventcontroller(EXTI)......................163.10Analogtodigitalconverter(ADC)...............................173.10.1Temperaturesensor........................................173.10.2Internalvoltagereference(VREFINT)...........................173.10.3VBATbatteryvoltagemonitoring...............................183.11Timersandwatchdogs.......................................183.11.1Advanced-controltimer(TIM1)...............................193.11.2General-purposetimers(TIM2..3,TIM14..17)....................193.11.3Independentwatchdog(IWDG)...............................203.11.4Systemwindowwatchdog(WWDG)...........................203.11.5SysTicktimer.............................................203.12Real-timeclock(RTC)andbackupregisters......................203.13Inter-integratedcircuitinterfaces(I2C)...........................213.14Universalsynchronous/asynchronousreceivertransmitters(USART)..22DocID025743Rev13/99STM32F031xxContents43.15Serialperipheralinterface(SPI)/Inter-integratedsoundinterfaces(I2S).233.16Serialwiredebugport(SW-DP)................................234Pinoutsandpindescription..................................245Memorymapping...........................................346Electricalcharacteristics....................................376.1Parameterconditions........................................376.1.1Minimumandmaximumvalues...............................376.1.2Typicalvalues............................................376.1.3Typicalcurves............................................376.1.4Loadingcapacitor.........................................376.1.5Pininputvoltage..........................................376.1.6Powersupplyscheme......................................386.1.7Currentconsumptionmeasurement...........................396.2Absolutemaximumratings....................................396.3Operating