In the firmware package L0 v1.12.0
In the file "Drivers/STM32L0xx_HAL_Driver/Inc/stm32l0xx_hal_cortex.h"
These are the region sizes defined:
#define MPU_REGION_SIZE_32B ((uint8_t)0x04)
#define MPU_REGION_SIZE_64B ((uint8_t)0x05)
#define MPU_REGION_SIZE_128B ((uint8_t)0x06)
#define MPU_REGION_SIZE_256B ((uint8_t)0x07)
#define MPU_REGION_SIZE_512B ((uint8_t)0x08)
#define MPU_REGION_SIZE_1KB ((uint8_t)0x09)
#define MPU_REGION_SIZE_2KB ((uint8_t)0x0A)
#define MPU_REGION_SIZE_4KB ((uint8_t)0x0B)
#define MPU_REGION_SIZE_8KB ((uint8_t)0x0C)
#define MPU_REGION_SIZE_16KB ((uint8_t)0x0D)
#define MPU_REGION_SIZE_32KB ((uint8_t)0x0E)
#define MPU_REGION_SIZE_64KB ((uint8_t)0x0F)
#define MPU_REGION_SIZE_128KB ((uint8_t)0x10)
#define MPU_REGION_SIZE_256KB ((uint8_t)0x11)
#define MPU_REGION_SIZE_512KB ((uint8_t)0x12)
#define MPU_REGION_SIZE_1MB ((uint8_t)0x13)
#define MPU_REGION_SIZE_2MB ((uint8_t)0x14)
#define MPU_REGION_SIZE_4MB ((uint8_t)0x15)
#define MPU_REGION_SIZE_8MB ((uint8_t)0x16)
#define MPU_REGION_SIZE_16MB ((uint8_t)0x17)
#define MPU_REGION_SIZE_32MB ((uint8_t)0x18)
#define MPU_REGION_SIZE_64MB ((uint8_t)0x19)
#define MPU_REGION_SIZE_128MB ((uint8_t)0x1A)
#define MPU_REGION_SIZE_256MB ((uint8_t)0x1B)
#define MPU_REGION_SIZE_512MB ((uint8_t)0x1C)
#define MPU_REGION_SIZE_1GB ((uint8_t)0x1D)
#define MPU_REGION_SIZE_2GB ((uint8_t)0x1E)
#define MPU_REGION_SIZE_4GB ((uint8_t)0x1F)
However, both the ARM documentation and the STM32L0 documentation seem to agree that for this core the minimum size is 256B.
So, shouldn't the first 3 #define's be removed?
