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登入官网，.打开网址：http://www.st.com，会自动跳转到http://www.st.com/web/en/home.html两种检索方法：
（1）按需要的库检索资源
Support> Tools and Software> Software> MCU Software> STM32 MCUs Software> STM32 Embedded Software> STM32 Standard Peripheral Libraries>
STSW-STM32054
整个路径:
Support>Tools and Software>Software>MCU Software>STM32 MCUs Software>STM32 Embedded Software>STM32 Standard Peripheral Libraries>STSW-STM32054
（2）按芯片型号检索资源
Products>
Embedded Processing >Microcontrollers
STM32 32-bit ARM Cortex MCUs>
STM32F1 Series>(STM32XX根据你的芯片型号选择，以STM32F1 Series为例)
STM32F103>
Resources>
Software>
STM32 Standard Peripheral Libraries>
>STSW-STM32054
Support> Tools and Software> Software> MCU Software> STM32 MCUs Software> STM32 Embedded Software> STM32 Standard Peripheral Libraries>
STSW-STM32054
整个路径:
Support>Tools and Software>Software>MCU Software>STM32 MCUs Software>STM32 Embedded Software>STM32 Standard Peripheral Libraries>STSW-STM32054
（2）按芯片型号检索资源
Products>
Embedded Processing >Microcontrollers
STM32 32-bit ARM Cortex MCUs>
STM32F1 Series>(STM32XX根据你的芯片型号选择，以STM32F1 Series为例)
STM32F103>
Resources>
Software>
STM32 Standard Peripheral Libraries>
>STSW-STM32054