https://www.st.com/content/st_com/en/products/embedded-software/mcu-mpu-embedded-software/stm32-embedded-software/stm32cube-mcu-mpu-packages/stm32cubef1.html#documentation 打開ST官網 2.搜STM32CubeF1(STM32CubeXX)點找文獻資料 下載 UM1850 STM32F1 HAL和低層驅動程序