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1、基于STM8L15xxx设计的超低功耗8位MCU开发方案2010年05月17日11:56不详作者：佚名用户评论（1）关键字：STM8L15xxx(1)基于STM8L15xxx设计的超低功耗8位MCU开发方案ST公司的STM8L15xxx是超低功耗8位MCU系列,采用先进的STM8内核,动态功耗为192μA/MHZ,16MHzCPU时钟的性能高达16MIPS,工作电压从1.8V到3.6V(低至1.65V),多达32KB嵌入闪存程序存储器,主要用在医疗和手提设备,PC外设,游戏机,GPS,告警系统,有线和无线传感器.本文介绍了STM8L15xxx主要特性,方框图,时钟树框图和
2、超低功耗STM8L15LPBOARD演示板主要特性,详细电路图.TheSTM8L15xxxdevicesaremembersoftheSTM8LUltralowpower8-bitfamily.Theyarereferredtoasmedium-densitydevicesintheSTM8L15xxxreferencemanual(RM0031)andintheSTM8LFlashprogrammingmanual(PM0054).Theyprovidethefollowingbenefits:●Integratedsystem–Upto32Kbytesofmedium
3、-densityembeddedFlashprogrammemory–1KbyteofdataEEPROM–Internalhighspeedandlow-powerlowspeedRC.–Embeddedreset●Ultralowpowerconsumption–192μA/MHZ(dynamicconsumption)–1μAinActive-haltmode–Clockgatedsystemandoptimizedpowermanagement–CapabilitytoexecutefromRAMforLowpowerwaitmodeandLowpowerrunm
4、ode●Advancedfeatures–Upto16MIPSat16MHzCPUclockfrequency–Directmemoryaccess(DMA)formemory-to-memoryorperipheral-to-memoryaccess.●Shortdevelopmentcycles–Applicationscalabilityacrossacommonfamilyproductarchitecturewithcompatiblepinout,memorymapandmodularperipherals.–Widechoiceofdevelopmentto
5、olsTheSTM8L15xxxfamilyoperatesfrom1.8Vto3.6V(downto1.65Vatpowerdown)andisavailableinthe-40to+85℃and-40to+125℃temperatureranges.TheSTM8L15xxxUltralowpowerfamilyfeaturestheenhancedSTM8CPUcoreprovidingincreasedprocessingpower(upto16MIPSat16MHz)whilemaintainingtheadvantagesofaCISCarchitecture
6、withimprovedcodedensity,a24-bitlinearaddressingspaceandanoptimizedarchitectureforlowpoweroperations.Thefamilyincludesanintegrateddebugmodulewithahardwareinterface(SWIM)whichallowsnon-intrusiveIn-ApplicationdebuggingandultrafastFlashprogramming.AllSTM8L15xxxmicrocontrollersfeatureembeddedd
7、ataEEPROMandlowpowerlowvoltagesingle-supplyprogramFlashmemory.TheSTM8L15xxxfamily8-bitmicrocontrollersincorporateanextensiverangeofenhancedI/Osandperipherals.Alldevicesoffer12-bitADC,DAC,twocomparators,Real-timeclockthree16-bittimers,one8-bittimeraswellasstandardcom
