stm32最小系统\GD-STM32F407-SCH\GD STM32F407 SCH.pdf .............\MINI_STM32_SCH\MINI_STM32_SCH.pdf .............\STM32F4 discovery board.pdf .............\STM32F407.pdf .............\STM32最小系统 (2).pdf .............\STM32最小系统.pdf .............\STM32最小系统原理图.pdf .............\GD-STM32F407-SCH .............\MINI_STM32_SCH stm32最小系统