STM32F070RB数据手册

Thisisinformationonaproductinfullproduction.January2015DocID027114Rev21/88STM32F070xBSTM32F070x6ARM®-based32-bitMCU,upto128KBFlash,USBFS2.0,11timers,ADC,communicationinterfaces,2.4-3.6VDatasheet-productiondataFeatures•Core:ARM®32-bitCortex®-M0CPU,frequencyupto48MHz•Memories–32to128KbytesofFlashmemory–6to16KbytesofSRAMwithHWparity•CRCcalculationunit•Resetandpowermanagement–Digital&I/Ossupply:VDD=2.4Vto3.6V–Analogsupply:VDDA=VDDto3.6V–Power-on/Powerdownreset(POR/PDR)–Lowpowermodes:Sleep,Stop,Standby•Clockmanagement–4to32MHzcrystaloscillator–32kHzoscillatorforRTCwithcalibration–Internal8MHzRCwithx6PLLoption–Internal40kHzRCoscillator•Upto51fastI/Os–Allmappableonexternalinterruptvectors–Upto5155I/Oswith5Vtolerantcapability•5-channelDMAcontroller•One12-bit,1.0μsADC(upto16channels)–Conversionrange:0to3.6V–Separateanalogsupply:2.4Vto3.6V•CalendarRTCwithalarmandperiodicwakeupfromStop/Standby•11timers–One16-bitadvanced-controltimerforsix-channelPWMoutput–Uptoseven16-bittimers,withuptofourIC/OC,OCN,usableforIRcontroldecoding–Independentandsystemwatchdogtimers–SysTicktimer•Communicationinterfaces–UptotwoI2Cinterfaces–onesupportingFastModePlus(1Mbit/s)with20mAcurrentsink,–onesupportingSMBus/PMBus.–UptofourUSARTssupportingmastersynchronousSPIandmodemcontrol;onewithautobaudratedetection–UptotwoSPIs(18Mbit/s)with4to16programmablebitframes–USB2.0full-speedinterfacewithBCDandLPMsupport•Serialwiredebug(SWD)•AllpackagesECOPACK®2Table1.DevicesummaryReferencePartnumberSTM32F070xBSTM32F070CB,STM32F070RBSTM32F070x6STM32F070C6,STM32F070F6LQFP6410x10mmLQFP487x7mmTSSOP20®-Cortex®-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..........................................143.7General-purposeinputs/outputs(GPIOs).........................153.8Directmemoryaccesscontroller(DMA)..........................163.9Interruptsandevents........................................163.9.1Nestedvectoredinterruptcontroller(NVIC)......................163.9.2Extendedinterrupt/eventcontroller(EXTI)......................163.10Analogtodigitalconverter(ADC)...............................173.10.1Temperaturesensor........................................173.10.2Internalvoltagereference(VREFINT)...........................173.11Timersandwatchdogs.......................................183.11.1Advanced-controltimer(TIM1)...............................193.11.2General-purposetimers(TIM3,TIM14..17)......................193.11.3BasictimersTIM6andTIM7.................................203.11.4Independentwatchdog(IWDG)...............................203.11.5Systemwindowwatchdog(WWDG)...........................203.11.6SysTicktimer.............................................203.12Real-timeclock(RTC).......................................213.13Inter-integratedcircuitinterfaces(I2C)...........................213.14Universalsynchronous/asynchronousreceivertransmitters(USART)..22DocID027114Rev23/88STM32F070xBSTM32F070x6Contents43.15Serialperipheralinterface(SPI)................................233.16Universalserialbus(USB)....................................233.17Serialwiredebugport(SW-DP)................................234Pinoutsandpindescriptions.................................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....................................396.3Operatingconditions........................................416.3.1Generaloperatingconditions.................................416.3.2Operatingconditionsatpower-up/power-down..................416.3.3Embeddedresetandpowercontrolblockcharacteristics...........426.3.4Embeddedreferencevoltage.................................426.3.5Supplycurrentcharacteristics...............