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?-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 micr

包含了STM8、STM32F1/2/3/4、STM32L1、STMW系列单片机原理图及封装图，可用于PCB软件画图。(Including STM8, stm32f1/2/3/4, STM32L1, STMW series MCU schematic diagram and package diagram, can be used for PCB software drawing.)