FLASH Option Bytes Read Protection

Collaboration diagram for FLASH Option Bytes Read Protection:

Macros
#define	OB_RDP_LEVEL_0   ((uint8_t)0xAA)
#define	OB_RDP_LEVEL_1   ((uint8_t)0x55)
#define	OB_RDP_LEVEL_2   ((uint8_t)0xCC)

Detailed Description

Macro Definition Documentation

OB_RDP_LEVEL_0

#define OB_RDP_LEVEL_0   ((uint8_t)0xAA)

Definition at line 184 of file stm32f4xx_hal_flash_ex.h.

OB_RDP_LEVEL_1

#define OB_RDP_LEVEL_1   ((uint8_t)0x55)

Definition at line 185 of file stm32f4xx_hal_flash_ex.h.

OB_RDP_LEVEL_2

#define OB_RDP_LEVEL_2   ((uint8_t)0xCC)

Warning: When enabling read protection level 2 it s no more possible to go back to level 1 or 0

Definition at line 186 of file stm32f4xx_hal_flash_ex.h.