+#define STM32_OB_RDP 0x1FFFF800
+#define STM32_OB_USER 0x1FFFF802
+#define STM32_OB_DATA0 0x1FFFF804
+#define STM32_OB_DATA1 0x1FFFF806
+#define STM32_OB_WRP0 0x1FFFF808
+#define STM32_OB_WRP1 0x1FFFF80A
+#define STM32_OB_WRP2 0x1FFFF80C
+#define STM32_OB_WRP3 0x1FFFF80E