/**
 * @defgroup        cpu_stm32_common STM32 common
 * @ingroup         cpu
 * @brief           STM32 common code and definitions
 *
 * This module contains all common code and definition to all STM32 cpu
 * families supported by RIOT: @ref cpu_stm32f0, @ref cpu_stm32l0,
 * @ref cpu_stm32f1, @ref cpu_stm32f2, @ref cpu_stm32f3, @ref cpu_stm32f4,
 * @ref cpu_stm32l4, @ref cpu_stm32f7.
 */