STM32L475参考手册.pdf This reference manual targets application developers. It provides complete information on how to use the STM32L4x5 microcontroller memory and peripherals. The STM32L4x5 is a family of microcontrollers with different memory sizes, packages and peripherals. For ordering information, mechanical and electrical device characteristics please refer to the corresponding datasheets. For information on the ARM® Cortex®-M4 core, please refer to the Cortex®-M4 Technical Reference Manual