stm32 单片机

  STM32系列基于专为要求高性能、低成本、低功耗的嵌入式应用专门设计的ARM Cortex-M3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 M

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