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1、RenesasRX62T32位MCU低成本马达控制方案时间：2016-04-0709:19:45 作者：Renesas 来源：中电网Renesas公司的RX62T系列是高性能32位微控制器,最大工作频率100MHz,具有FPU和165DMIPS,集成了多功能定时器(MTU,GPT),高速12位ADC和10位ADC,256KB闪存,16KBRAM,单电源3.3V或5V工作,设计用于马达控制.本文介绍了RX62T主要特性,框图,低成本马达控制板YROTATE-IT-RX62T主要功能,无传感器FOC算法框图和详细电路图,材料清单,PCB元件布局图和设计文件.TheRX62
2、TGroupofhigh-performancemicrocontrollerswithamaximumoperatingfrequencyof100MHzaredesignedformotorcontrol.Theyareequippedwithmultifunctiontimers(MTU,GPT),high-speed12-bitA/Dconverter,and10-bitA/Dconverterforfacilitatingmotorcontrol.TheproductsalsoincorporatemanysafetyfeaturestocomplywiththeIEC6073
3、0safetystandardforhomeappliances.Inadditiontoamaximumof256KBflashand16KBRAMon-chipmemory,theyhaveamaximumof32KBofon-chipflashmemoryfordatastorage.64-pinto112-pinpackagesareavailable.RX62T主要特性:■32-bitRXCPUcoreMax.operatingfrequency:100MHz·Capableof165DMIPSinoperationat100MHzSingleprecision32-bitIE
4、EE-754floatingpoint·Accumulatorhandles64-bitresults(forasingleinstruction)from32-×32-bitoperations·Multiplicationanddivisionunithandles32-×32-bitoperations(multiplicationinstructionstakeoneCPUclockcycle)·Fastinterrupt·Divider(fastestinstructionexecutiontakestwoCPUclockcycles)·Fastinterrupt·CISCHa
5、rvardarchitecturewith5-stagepipeline·Variable-lengthinstructions:Ultra-compactcode·Supportsthememoryprotectionunit(MPU)·BackgroundJTAGdebuggingplushigh-speedtracing·■OperatingvoltageSingle3.3-or5-Vsupply;5-Vanalogsupplyispossiblewith3.3-Vproducts·■Low-powerdesignandarchitectureFourlow-powermodes·
6、■On-chipmainflashmemory,nowaitstates100-MHzoperation,10-nsreadcycle·NowaitstatesforreadingatfullCPUspeed·64-Kbyte/128-Kbyte/256-Kbytecapacities·Forinstructionsandoperands·UsercodeprogrammableviatheSCIorJTAG·■On-chipdataflashmemoryMax.32Kbytes,reprogrammableupto30,000times·Erasingandprogrammingimp
7、osenoloadontheCPU.·■On-chipSRAM,nowaitstates8-Kbyte/16-KbyteSRAM·Forinstructionsandoperands·■DMADTC:Thesingleunitiscapableoftransferonmultiplechannels·■ResetandsupplymanagementPower-onreset(POR)·Lowvoltagedetection(LVD
