Resolved! Comments wrong in L4+ include file
STM32Cube_FW_L4_V1.13.0\Drivers\CMSIS\Device\ST\STM32L4xx\Include\stm32l4r5xx.h#define SDMMC_CLKCR_WIDBUS_Pos (14U)#define SDMMC_CLKCR_WIDBUS_Msk (0x3UL << SDMMC_CLKCR_WIDBUS_Pos) /*!< 0x0000C000 */#define SDMMC_CLKCR_WIDBUS SDMMC_CLK...