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ARM Cortex-M0，M0+，M3, M4和M7内核 （ST's product portfolio contains a comprehensive range of microcontrollers, from robust, low-cost 8-bit MCUs up to 32-bit ARM-based Cortex-M0 and M0+, Cortex-M3, Cortex-M4 Flash microcontrollers with a great choice of peripherals. ST has also extended this range to include an ultra-low-power MCU platform）  。按内核架构分为不同产品：

   主流产品（STM32F0、STM32F1、STM32F3）、超低功耗产品（STM32L0、STM32L1、STM32L4、STM32L4+）、高性能产品（STM32F2、STM32F4、STM32F7、STM32H7）