STm32系列专为要求高性能、低成本、低功耗的嵌入式应用设计的ARMCortex®-M0，M0+，M3,M4和M7内核（ST'sproductportfoliocontainsacomprehensiverangeofmicrocontrollers,fromrobust,low-cost8-bitMCUsupto32-bitARM-basedCortex®-M0andM0+,Cortex®-M3,Cortex®-M4Flashmicrocontrollerswithagreatchoiceofperipherals.SThasalsoextendedthisrangetoincludeanultra-low-powerMCUplatform）[1]。按内核架构分为不同产品：