OB_SPC OB_SPC 0x0 0x8 read-write 0xA5 FFFF OB_SPC Option byte security protection value Option byte security protection value 0xA5 : no security protection any value except 0xA5 or 0xCC : protection level low 0xCC : protection level high 0 8 OB_SPC_N OB_SPC_N 0x1 0x8 read 0x5A 0 OB_SPC_N OB_SPC complement value OB_SPC complement value 0 8 OB_USER OB_USER 0x2 0x8 read-write 0xFF FFFF BOR_TH BOR_TH (Brown out reset threshold) BOR_TH 0: No BOR 1: Have BOR, brownout threshold level (2.6V) 7 1 OTA OTA OTA 4 1 BB Boot configuration BB 0: boot from bootloader, when configured boot from main memory 1: No effect 3 1 nRST_STDBY Generate a reset instead of entering standby mode nRST_STDBY 0: generate a reset instead of entering standby mode 1: no reset when entering standby mode 2 1 nRST_DPSLP Generate a reset instead of entering Deep-sleep mode nRST_DPSLP 0: generate a reset instead of entering Deep-sleep mode 1: no reset when entering Deep-sleep mode 1 1 nWDG_HW Hardware free watchdog nWDG_HW 0: hardware free watchdog 1: software free watchdog 0 1 OB_USER_N OB_USER_N 0x3 0x8 read 0x00 0x2 OB_USER_N OB_USER complement value OB_USER complement value 0 8 OB_DATA[7:0] OB_DATA[7:0] 0x4 0x8 read-write 0xFF FFFF OB_DATA[7:0] user defined data bit 7 to 0 user defined data bit 7 to 0 0 8 OB_DATA_N[7:0] OB_DATA_N[7:0] 0x5 0x8 read 0x00 0x4 OB_DATA_N[7:0] OB_DATA complement value bit 7 to 0 OB_DATA complement value bit 7 to 0 0 8 OB_DATA[15:8] OB_DATA[15:8] 0x6 0x8 read-write 0xFF FFFF OB_DATA[15:8] user defined data bit 15 to 8 user defined data bit 15 to 8 0 8 OB_DATA_N[15:8] OB_DATA_N[15:8] 0x7 0x8 read 0x00 0x6 OB_DATA_N[15:8] OB_DATA complement value bit 15 to 8 OB_DATA complement value bit 15 to 8 0 8 OB_BK0WP[7:0] OB_BK0WP[7:0] 0x8 0x8 read-write 0xFF FFFF OB_BK0WP[7] 0x0800E000~0x0800FFFF Page Erase/Program Protection of bank0 bit 7(0x0800E000~0x0800FFFF) 0: protection active 1: unprotected 7 1 OB_BK0WP[6] 0x0800C000~0x0800DFFF Page Erase/Program Protection of bank0 bit 6(0x0800C000~0x0800DFFF) 0: protection active 1: unprotected 6 1 OB_BK0WP[5] 0x0800A000~0x0800BFFF Page Erase/Program Protection of bank0 bit 5(0x0800A000~0x0800BFFF) 0: protection active 1: unprotected 5 1 OB_BK0WP[4] 0x08008000~0x08009FFF Page Erase/Program Protection of bank0 bit 4(0x08008000~0x08009FFF) 0: protection active 1: unprotected 4 1 OB_BK0WP[3] 0x08006000~0x08007FFF Page Erase/Program Protection of bank0 bit 3(0x08006000~0x08007FFF) 0: protection active 1: unprotected 3 1 OB_BK0WP[2] 0x08004000~0x08005FFF Page Erase/Program Protection of bank0 bit 2(0x08004000~0x08005FFF) 0: protection active 1: unprotected 2 1 OB_BK0WP[1] 0x08002000~0x08003FFF Page Erase/Program Protection of bank0 bit 1(0x08002000~0x08003FFF) 0: protection active 1: unprotected 1 1 OB_BK0WP[0] 0x08000000~0x08001FFF Page Erase/Program Protection of bank0 bit 0(0x08000000~0x08001FFF) 0: protection active 1: unprotected 0 1 OB_BK0WP_N[7:0] OB_BK0WP_N[7:0] 0x9 0x8 read 0x00 0x8 OB_BK0WP_N[7:0] OB_BK0WP complement value bit 7 to 0 OB_BK0WP complement value bit 7 to 0 0 8 OB_BK0WP[15:8] OB_BK0WP[15:8] 0xA 0x8 read-write 0xFF FFFF OB_BK0WP[15] 0x0801E000~0x0801FFFF Page Erase/Program Protection of bank0 bit 15(0x0801E000~0x0801FFFF) 0: protection active 1: unprotected 7 1 OB_BK0WP[14] 0x0801C000~0x0801DFFF Page Erase/Program Protection of bank0 bit 14(0x0801C000~0x0801DFFF) 0: protection active 1: unprotected 6 1 OB_BK0WP[13] 0x0801A000~0x0801BFFF Page Erase/Program Protection of bank0 bit 13(0x0801A000~0x0801BFFF) 0: protection active 1: unprotected 5 1 OB_BK0WP[12] 0x08018000~0x08019FFF Page Erase/Program Protection of bank0 bit 12(0x08018000~0x08019FFF) 0: protection active 1: unprotected 4 1 OB_BK0WP[11] 0x08016000~0x08017FFF Page Erase/Program Protection of bank0 bit 11(0x08016000~0x08017FFF) 0: protection active 1: unprotected 3 1 OB_BK0WP[10] 0x08014000~0x08015FFF Page Erase/Program Protection of bank0 bit 10(0x08014000~0x08015FFF) 0: protection active 1: unprotected 2 1 OB_BK0WP[9] 0x08012000~0x08013FFF Page Erase/Program Protection of bank0 bit 9(0x08012000~0x08013FFF) 0: protection active 1: unprotected 1 1 OB_BK0WP[8] 0x08010000~0x08011FFF Page Erase/Program Protection of bank0 bit 8(0x08010000~0x08011FFF) 0: protection active 1: unprotected 0 1 OB_BK0WP_N[15:8] OB_BK0WP_N[15:8] 0xB 0x8 read 0x00 0xA OB_BK0WP_N[15:8] OB_BK0WP complement value bit 15 to 8 OB_BK0WP complement value bit 15 to 8 0 8 OB_BK0WP[23:16] OB_BK0WP[23:16] 0xC 0x8 read-write 0xFF FFFF OB_BK0WP[23] 0x0802E000~0x0802FFFF Page Erase/Program Protection of bank0 bit 23(0x0802E000~0x0802FFFF) 0: protection active 1: unprotected 7 1 OB_BK0WP[22] 0x0802C000~0x0802DFFF Page Erase/Program Protection of bank0 bit 22(0x0802C000~0x0802DFFF) 0: protection active 1: unprotected 6 1 OB_BK0WP[21] 0x0802A000~0x0802BFFF Page Erase/Program Protection of bank0 bit 21(0x0802A000~0x0802BFFF) 0: protection active 1: unprotected 5 1 OB_BK0WP[20] 0x08028000~0x08029FFF Page Erase/Program Protection of bank0 bit 20(0x08028000~0x08029FFF) 0: protection active 1: unprotected 4 1 OB_BK0WP[19] 0x08026000~0x08027FFF Page Erase/Program Protection of bank0 bit 19(0x08026000~0x08027FFF) 0: protection active 1: unprotected 3 1 OB_BK0WP[18] 0x08025000~0x08026FFF Page Erase/Program Protection of bank0 bit 18(0x08025000~0x08026FFF) 0: protection active 1: unprotected 2 1 OB_BK0WP[17] 0x08023000~0x08024FFF Page Erase/Program Protection of bank0 bit 17(0x08023000~0x08024FFF) 0: protection active 1: unprotected 1 1 OB_BK0WP[16] 0x08020000~0x08021FFF Page Erase/Program Protection of bank0 bit 16(0x08020000~0x08021FFF) 0: protection active 1: unprotected 0 1 OB_BK0WP_N[23:16] OB_BK0WP_N[23:16] 0xB 0x8 read 0x00 0xD OB_BK0WP_N[23:16] OB_BK0WP complement value bit 23 to 16 OB_BK0WP complement value bit 23 to 16 0 8 OB_BK0WP[31:24] OB_BK0WP[31:24] 0xE 0x8 read-write 0xFF FFFF OB_BK0WP[31] 0x0803E000~0x0803FFFF Page Erase/Program Protection of bank0 bit 31(0x0803E000~0x0803FFFF) 0: protection active 1: unprotected 7 1 OB_BK0WP[30] 0x0803C000~0x0803DFFF Page Erase/Program Protection of bank0 bit 30(0x0803C000~0x0803DFFF) 0: protection active 1: unprotected 6 1 OB_BK0WP[29] 0x0803A000~0x0803BFFF Page Erase/Program Protection of bank0 bit 29(0x0803A000~0x0803BFFF) 0: protection active 1: unprotected 5 1 OB_BK0WP[28] 0x08038000~0x08039FFF Page Erase/Program Protection of bank0 bit 28(0x08038000~0x08039FFF) 0: protection active 1: unprotected 4 1 OB_BK0WP[27] 0x08036000~0x08037FFF Page Erase/Program Protection of bank0 bit 27(0x08036000~0x08037FFF) 0: protection active 1: unprotected 3 1 OB_BK0WP[26] 0x08034000~0x08035FFF Page Erase/Program Protection of bank0 bit 26(0x08034000~0x08035FFF) 0: protection active 1: unprotected 2 1 OB_BK0WP[25] 0x08032000~0x08033FFF Page Erase/Program Protection of bank0 bit 25(0x08032000~0x08033FFF) 0: protection active 1: unprotected 1 1 OB_BK0WP[24] 0x08030000~0x08031FFF Page Erase/Program Protection of bank0 bit 24(0x08030000~0x08031FFF) 0: protection active 1: unprotected 0 1 OB_BK0WP_N[31:24] OB_BK0WP_N[31:24] 0xF 0x8 read 0x00 0xD OB_BK0WP_N[31:24] OB_BK0WP complement value bit 31 to 24 OB_BK0WP complement value bit 31 to 24 0 8 OB_BK1WP[7:0] OB_BK1WP[7:0] 0x10 0x8 read-write 0xFF FFFF OB_BK1WP[7] 0x0805C000~0x0805FFFF Page Erase/Program Protection of bank1 bit 7(0x0805C000~0x0805FFFF) 0: protection active 1: unprotected 7 1 OB_BK1WP[6] 0x08058000~0x0805BFFF Page Erase/Program Protection of bank1 bit 6(0x08058000~0x0805BFFF) 0: protection active 1: unprotected 6 1 OB_BK1WP[5] 0x08054000~0x08057FFF Page Erase/Program Protection of bank1 bit 5(0x08054000~0x08057FFF) 0: protection active 1: unprotected 5 1 OB_BK1WP[4] 0x08050000~0x08053FFF Page Erase/Program Protection of bank1 bit 4(0x08050000~0x08053FFF) 0: protection active 1: unprotected 4 1 OB_BK1WP[3] 0x0804C000~0x0804FFFF Page Erase/Program Protection of bank1 bit 3(0x0804C000~0x0804FFFF) 0: protection active 1: unprotected 3 1 OB_BK1WP[2] 0x08048000~0x0804BFFF Page Erase/Program Protection of bank1 bit 2(0x08048000~0x0804BFFF) 0: protection active 1: unprotected 2 1 OB_BK1WP[1] 0x08044000~0x08047FFF Page Erase/Program Protection of bank1 bit 1(0x08044000~0x08047FFF) 0: protection active 1: unprotected 1 1 OB_BK1WP[0] 0x08040000~0x08043FFF Page Erase/Program Protection of bank1 bit 0(0x08040000~0x08043FFF) 0: protection active 1: unprotected 0 1 OB_BK1WP_N[7:0] OB_BK1WP_N[7:0] 0x11 0x8 read 0x00 0x8 OB_BK1WP_N[7:0] OB_BK1WP complement value bit 7 to 0 OB_BK1WP complement value bit 7 to 0 0 8 OB_DFWP[7:0] OB_DFWP[7:0] 0x12 0x8 read-write 0xFF FFFF OB_DFWP[7] 0x0880E000~0x0880FFFF Page Erase/Program Protection of data flash bit 7(0x0880E000~0x0880FFFF) 0: protection active 1: unprotected 7 1 OB_DFWP[6] 0x0880C000~0x0880DFFF Page Erase/Program Protection of data flash bit 6(0x0880C000~0x0880DFFF) 0: protection active 1: unprotected 6 1 OB_DFWP[5] 0x0880A000~0x0880BFFF Page Erase/Program Protection of data flash bit 5(0x0880A000~0x0880BFFF) 0: protection active 1: unprotected 5 1 OB_DFWP[4] 0x08808000~0x08809FFF Page Erase/Program Protection of data flash bit 4(0x08808000~0x08809FFF) 0: protection active 1: unprotected 4 1 OB_DFWP[3] 0x08806000~0x08807FFF Page Erase/Program Protection of data flash bit 3(0x08806000~0x08807FFF) 0: protection active 1: unprotected 3 1 OB_DFWP[2] 0x08804000~0x08805FFF Page Erase/Program Protection of data flash bit 2(0x08804000~0x08805FFF) 0: protection active 1: unprotected 2 1 OB_DFWP[1] 0x08802000~0x08803FFF Page Erase/Program Protection of data flash bit 1(0x08802000~0x08803FFF) 0: protection active 1: unprotected 1 1 OB_DFWP[0] 0x08800000~0x08801FFF Page Erase/Program Protection of data flash bit 0(0x08800000~0x08801FFF) 0: protection active 1: unprotected 0 1 OB_DFWP_N[7:0] OB_DFWP_N[7:0] 0x13 0x8 read 0x00 0x8 OB_DFWP_N[7:0] OB_DFWP complement value bit 7 to 0 OB_DFWP complement value bit 7 to 0 0 8 OB_EPWP[7:0] OB_EPWP[7:0] 0x14 0x8 read-write 0xFF FFFF OB_EPWP[7] 0x08C00E00~0x08C00FFF Page Erase/Program Protection of EEPROM backup bit 7(0x08C00E00~0x08C00FFF) 0: protection active 1: unprotected 7 1 OB_EPWP[6] 0x08C00C00~0x08C00DFF Page Erase/Program Protection of EEPROM backup bit 6(0x08C00C00~0x08C00DFF) 0: protection active 1: unprotected 6 1 OB_EPWP[5] 0x08C00A00~0x08C00BFF Page Erase/Program Protection of EEPROM backup bit 5(0x08C00A00~0x08C00BFF) 0: protection active 1: unprotected 5 1 OB_EPWP[4] 0x08C00800~0x08C009FF Page Erase/Program Protection of EEPROM backup bit 4(0x08C00800~0x08C009FF) 0: protection active 1: unprotected 4 1 OB_EPWP[3] 0x08C00600~0x08C007FF Page Erase/Program Protection of EEPROM backup bit 3(0x08C00600~0x08C007FF) 0: protection active 1: unprotected 3 1 OB_EPWP[2] 0x08C00400~0x08C005FF Page Erase/Program Protection of EEPROM backup bit 2(0x08C00400~0x08C005FF) 0: protection active 1: unprotected 2 1 OB_EPWP[1] 0x08C00200~0x08C003FF Page Erase/Program Protection of EEPROM backup bit 1(0x08C00200~0x08C003FF) 0: protection active 1: unprotected 1 1 OB_EPWP[0] 0x08C00000~0x08C001FF Page Erase/Program Protection of EEPROM backup bit 0(0x08C00000~0x08C001FF) 0: protection active 1: unprotected 0 1 OB_EPWP_N[7:0] OB_EPWP_N[7:0] 0x15 0x8 read 0x00 0x8 OB_EPWP_N[7:0] OB_EPWP complement value bit 7 to 0 OB_EPWP complement value bit 7 to 0 0 8 FMC_OB1CS FMC_OB1CS 0x0 0x20 read-write 0xFFFF8FF0 FFFF LKVAL[15:0] Option bytes 1 Lock Value Option bytes 1 Lock Value 0x33CC : Lock Option bytes 1, the Option bytes 1 cannot be modified any more other value : Do not lock Option bytes 1 16 16 EPLOAD Load EPLOAD of option byte 1 after reset Load EPLOAD of option byte 1 after reset. This bit can be write by software when OB1LK is 0 15 1 EPSIZE[3:0] Load EPSIZE of option byte 1 after reset Load EPSIZE of option byte 1 after reset. These bits can be write by software when OB1LK is 0 8 4 EFALC[3:0] Load EFALC of option byte 1 after reset Load EFALC of option byte 1 after reset. These bits can be write by software when OB1LK is 0 4 4 OB_SPC OB_SPC 0x0 0x8 read-write 0xA5 FFFF OB_SPC Option byte security protection value Option byte security protection value 0xA5 : no security protection any value except 0xA5 or 0xCC : protection level low 0xCC : protection level high 0 8 OB_SPC_N OB_SPC_N 0x1 0x8 read 0x5A 0 OB_SPC_N OB_SPC complement value OB_SPC complement value 0 8 OB_USER OB_USER 0x2 0x8 read-write 0xFF FFFF BOR_TH BOR_TH (Brown out reset threshold) BOR_TH 0: No BOR 1: Have BOR, brownout threshold level (2.6V) 7 1 OTA OTA OTA 4 1 BB Boot configuration BB 0: boot from bootloader, when configured boot from main memory 1: No effect 3 1 nRST_STDBY Generate a reset instead of entering standby mode nRST_STDBY 0: generate a reset instead of entering standby mode 1: no reset when entering standby mode 2 1 nRST_DPSLP Generate a reset instead of entering Deep-sleep mode nRST_DPSLP 0: generate a reset instead of entering Deep-sleep mode 1: no reset when entering Deep-sleep mode 1 1 nWDG_HW Hardware free watchdog nWDG_HW 0: hardware free watchdog 1: software free watchdog 0 1 OB_USER_N OB_USER_N 0x3 0x8 read 0x00 0x2 OB_USER_N OB_USER complement value OB_USER complement value 0 8 OB_DATA[7:0] OB_DATA[7:0] 0x4 0x8 read-write 0xFF FFFF OB_DATA[7:0] user defined data bit 7 to 0 user defined data bit 7 to 0 0 8 OB_DATA_N[7:0] OB_DATA_N[7:0] 0x5 0x8 read 0x00 0x4 OB_DATA_N[7:0] OB_DATA complement value bit 7 to 0 OB_DATA complement value bit 7 to 0 0 8 OB_DATA[15:8] OB_DATA[15:8] 0x6 0x8 read-write 0xFF FFFF OB_DATA[15:8] user defined data bit 15 to 8 user defined data bit 15 to 8 0 8 OB_DATA_N[15:8] OB_DATA_N[15:8] 0x7 0x8 read 0x00 0x6 OB_DATA_N[15:8] OB_DATA complement value bit 15 to 8 OB_DATA complement value bit 15 to 8 0 8 OB_BK0WP[7:0] OB_BK0WP[7:0] 0x8 0x8 read-write 0xFF FFFF OB_BK0WP[7] 0x0800E000~0x0800FFFF Page Erase/Program Protection of bank0 bit 7(0x0800E000~0x0800FFFF) 0: protection active 1: unprotected 7 1 OB_BK0WP[6] 0x0800C000~0x0800DFFF Page Erase/Program Protection of bank0 bit 6(0x0800C000~0x0800DFFF) 0: protection active 1: unprotected 6 1 OB_BK0WP[5] 0x0800A000~0x0800BFFF Page Erase/Program Protection of bank0 bit 5(0x0800A000~0x0800BFFF) 0: protection active 1: unprotected 5 1 OB_BK0WP[4] 0x08008000~0x08009FFF Page Erase/Program Protection of bank0 bit 4(0x08008000~0x08009FFF) 0: protection active 1: unprotected 4 1 OB_BK0WP[3] 0x08006000~0x08007FFF Page Erase/Program Protection of bank0 bit 3(0x08006000~0x08007FFF) 0: protection active 1: unprotected 3 1 OB_BK0WP[2] 0x08004000~0x08005FFF Page Erase/Program Protection of bank0 bit 2(0x08004000~0x08005FFF) 0: protection active 1: unprotected 2 1 OB_BK0WP[1] 0x08002000~0x08003FFF Page Erase/Program Protection of bank0 bit 1(0x08002000~0x08003FFF) 0: protection active 1: unprotected 1 1 OB_BK0WP[0] 0x08000000~0x08001FFF Page Erase/Program Protection of bank0 bit 0(0x08000000~0x08001FFF) 0: protection active 1: unprotected 0 1 OB_BK0WP_N[7:0] OB_BK0WP_N[7:0] 0x9 0x8 read 0x00 0x8 OB_BK0WP_N[7:0] OB_BK0WP complement value bit 7 to 0 OB_BK0WP complement value bit 7 to 0 0 8 OB_BK0WP[15:8] OB_BK0WP[15:8] 0xA 0x8 read-write 0xFF FFFF OB_BK0WP[15] 0x0801E000~0x0801FFFF Page Erase/Program Protection of bank0 bit 15(0x0801E000~0x0801FFFF) 0: protection active 1: unprotected 7 1 OB_BK0WP[14] 0x0801C000~0x0801DFFF Page Erase/Program Protection of bank0 bit 14(0x0801C000~0x0801DFFF) 0: protection active 1: unprotected 6 1 OB_BK0WP[13] 0x0801A000~0x0801BFFF Page Erase/Program Protection of bank0 bit 13(0x0801A000~0x0801BFFF) 0: protection active 1: unprotected 5 1 OB_BK0WP[12] 0x08018000~0x08019FFF Page Erase/Program Protection of bank0 bit 12(0x08018000~0x08019FFF) 0: protection active 1: unprotected 4 1 OB_BK0WP[11] 0x08016000~0x08017FFF Page Erase/Program Protection of bank0 bit 11(0x08016000~0x08017FFF) 0: protection active 1: unprotected 3 1 OB_BK0WP[10] 0x08014000~0x08015FFF Page Erase/Program Protection of bank0 bit 10(0x08014000~0x08015FFF) 0: protection active 1: unprotected 2 1 OB_BK0WP[9] 0x08012000~0x08013FFF Page Erase/Program Protection of bank0 bit 9(0x08012000~0x08013FFF) 0: protection active 1: unprotected 1 1 OB_BK0WP[8] 0x08010000~0x08011FFF Page Erase/Program Protection of bank0 bit 8(0x08010000~0x08011FFF) 0: protection active 1: unprotected 0 1 OB_BK0WP_N[15:8] OB_BK0WP_N[15:8] 0xB 0x8 read 0x00 0xA OB_BK0WP_N[15:8] OB_BK0WP complement value bit 15 to 8 OB_BK0WP complement value bit 15 to 8 0 8 OB_BK0WP[23:16] OB_BK0WP[23:16] 0xC 0x8 read-write 0xFF FFFF OB_BK0WP[23] 0x0802E000~0x0802FFFF Page Erase/Program Protection of bank0 bit 23(0x0802E000~0x0802FFFF) 0: protection active 1: unprotected 7 1 OB_BK0WP[22] 0x0802C000~0x0802DFFF Page Erase/Program Protection of bank0 bit 22(0x0802C000~0x0802DFFF) 0: protection active 1: unprotected 6 1 OB_BK0WP[21] 0x0802A000~0x0802BFFF Page Erase/Program Protection of bank0 bit 21(0x0802A000~0x0802BFFF) 0: protection active 1: unprotected 5 1 OB_BK0WP[20] 0x08028000~0x08029FFF Page Erase/Program Protection of bank0 bit 20(0x08028000~0x08029FFF) 0: protection active 1: unprotected 4 1 OB_BK0WP[19] 0x08026000~0x08027FFF Page Erase/Program Protection of bank0 bit 19(0x08026000~0x08027FFF) 0: protection active 1: unprotected 3 1 OB_BK0WP[18] 0x08025000~0x08026FFF Page Erase/Program Protection of bank0 bit 18(0x08025000~0x08026FFF) 0: protection active 1: unprotected 2 1 OB_BK0WP[17] 0x08023000~0x08024FFF Page Erase/Program Protection of bank0 bit 17(0x08023000~0x08024FFF) 0: protection active 1: unprotected 1 1 OB_BK0WP[16] 0x08020000~0x08021FFF Page Erase/Program Protection of bank0 bit 16(0x08020000~0x08021FFF) 0: protection active 1: unprotected 0 1 OB_BK0WP_N[23:16] OB_BK0WP_N[23:16] 0xB 0x8 read 0x00 0xD OB_BK0WP_N[23:16] OB_BK0WP complement value bit 23 to 16 OB_BK0WP complement value bit 23 to 16 0 8 OB_BK0WP[31:24] OB_BK0WP[31:24] 0xE 0x8 read-write 0xFF FFFF OB_BK0WP[31] 0x0803E000~0x0803FFFF Page Erase/Program Protection of bank0 bit 31(0x0803E000~0x0803FFFF) 0: protection active 1: unprotected 7 1 OB_BK0WP[30] 0x0803C000~0x0803DFFF Page Erase/Program Protection of bank0 bit 30(0x0803C000~0x0803DFFF) 0: protection active 1: unprotected 6 1 OB_BK0WP[29] 0x0803A000~0x0803BFFF Page Erase/Program Protection of bank0 bit 29(0x0803A000~0x0803BFFF) 0: protection active 1: unprotected 5 1 OB_BK0WP[28] 0x08038000~0x08039FFF Page Erase/Program Protection of bank0 bit 28(0x08038000~0x08039FFF) 0: protection active 1: unprotected 4 1 OB_BK0WP[27] 0x08036000~0x08037FFF Page Erase/Program Protection of bank0 bit 27(0x08036000~0x08037FFF) 0: protection active 1: unprotected 3 1 OB_BK0WP[26] 0x08034000~0x08035FFF Page Erase/Program Protection of bank0 bit 26(0x08034000~0x08035FFF) 0: protection active 1: unprotected 2 1 OB_BK0WP[25] 0x08032000~0x08033FFF Page Erase/Program Protection of bank0 bit 25(0x08032000~0x08033FFF) 0: protection active 1: unprotected 1 1 OB_BK0WP[24] 0x08030000~0x08031FFF Page Erase/Program Protection of bank0 bit 24(0x08030000~0x08031FFF) 0: protection active 1: unprotected 0 1 OB_BK0WP_N[31:24] OB_BK0WP_N[31:24] 0xF 0x8 read 0x00 0xD OB_BK0WP_N[31:24] OB_BK0WP complement value bit 31 to 24 OB_BK0WP complement value bit 31 to 24 0 8 OB_DFWP[7:0] OB_DFWP[7:0] 0x12 0x8 read-write 0xFF FFFF OB_DFWP[7] 0x0880E000~0x0880FFFF Page Erase/Program Protection of data flash bit 7(0x0880E000~0x0880FFFF) 0: protection active 1: unprotected 7 1 OB_DFWP[6] 0x0880C000~0x0880DFFF Page Erase/Program Protection of data flash bit 6(0x0880C000~0x0880DFFF) 0: protection active 1: unprotected 6 1 OB_DFWP[5] 0x0880A000~0x0880BFFF Page Erase/Program Protection of data flash bit 5(0x0880A000~0x0880BFFF) 0: protection active 1: unprotected 5 1 OB_DFWP[4] 0x08808000~0x08809FFF Page Erase/Program Protection of data flash bit 4(0x08808000~0x08809FFF) 0: protection active 1: unprotected 4 1 OB_DFWP[3] 0x08806000~0x08807FFF Page Erase/Program Protection of data flash bit 3(0x08806000~0x08807FFF) 0: protection active 1: unprotected 3 1 OB_DFWP[2] 0x08804000~0x08805FFF Page Erase/Program Protection of data flash bit 2(0x08804000~0x08805FFF) 0: protection active 1: unprotected 2 1 OB_DFWP[1] 0x08802000~0x08803FFF Page Erase/Program Protection of data flash bit 1(0x08802000~0x08803FFF) 0: protection active 1: unprotected 1 1 OB_DFWP[0] 0x08800000~0x08801FFF Page Erase/Program Protection of data flash bit 0(0x08800000~0x08801FFF) 0: protection active 1: unprotected 0 1 OB_DFWP_N[7:0] OB_DFWP_N[7:0] 0x13 0x8 read 0x00 0x8 OB_DFWP_N[7:0] OB_DFWP complement value bit 7 to 0 OB_DFWP complement value bit 7 to 0 0 8 OB_EPWP[7:0] OB_EPWP[7:0] 0x14 0x8 read-write 0xFF FFFF OB_EPWP[7] 0x08C00E00~0x08C00FFF Page Erase/Program Protection of EEPROM backup bit 7(0x08C00E00~0x08C00FFF) 0: protection active 1: unprotected 7 1 OB_EPWP[6] 0x08C00C00~0x08C00DFF Page Erase/Program Protection of EEPROM backup bit 6(0x08C00C00~0x08C00DFF) 0: protection active 1: unprotected 6 1 OB_EPWP[5] 0x08C00A00~0x08C00BFF Page Erase/Program Protection of EEPROM backup bit 5(0x08C00A00~0x08C00BFF) 0: protection active 1: unprotected 5 1 OB_EPWP[4] 0x08C00800~0x08C009FF Page Erase/Program Protection of EEPROM backup bit 4(0x08C00800~0x08C009FF) 0: protection active 1: unprotected 4 1 OB_EPWP[3] 0x08C00600~0x08C007FF Page Erase/Program Protection of EEPROM backup bit 3(0x08C00600~0x08C007FF) 0: protection active 1: unprotected 3 1 OB_EPWP[2] 0x08C00400~0x08C005FF Page Erase/Program Protection of EEPROM backup bit 2(0x08C00400~0x08C005FF) 0: protection active 1: unprotected 2 1 OB_EPWP[1] 0x08C00200~0x08C003FF Page Erase/Program Protection of EEPROM backup bit 1(0x08C00200~0x08C003FF) 0: protection active 1: unprotected 1 1 OB_EPWP[0] 0x08C00000~0x08C001FF Page Erase/Program Protection of EEPROM backup bit 0(0x08C00000~0x08C001FF) 0: protection active 1: unprotected 0 1 OB_EPWP_N[7:0] OB_EPWP_N[7:0] 0x15 0x8 read 0x00 0x8 OB_EPWP_N[7:0] OB_EPWP complement value bit 7 to 0 OB_EPWP complement value bit 7 to 0 0 8 FMC_OB1CS FMC_OB1CS 0x0 0x20 read-write 0xFFFF8FF0 FFFF LKVAL[15:0] Option bytes 1 Lock Value Option bytes 1 Lock Value 0x33CC : Lock Option bytes 1, the Option bytes 1 cannot be modified any more other value : Do not lock Option bytes 1 16 16 EPLOAD Load EPLOAD of option byte 1 after reset Load EPLOAD of option byte 1 after reset. This bit can be write by software when OB1LK is 0 15 1 EPSIZE[3:0] Load EPSIZE of option byte 1 after reset Load EPSIZE of option byte 1 after reset. These bits can be write by software when OB1LK is 0 8 4 EFALC[3:0] Load EFALC of option byte 1 after reset Load EFALC of option byte 1 after reset. These bits can be write by software when OB1LK is 0 4 4 OB_SPC OB_SPC 0x0 0x8 read-write 0xA5 FFFF OB_SPC Option byte security protection value Option byte security protection value 0xA5 : no security protection any value except 0xA5 or 0xCC : protection level low 0xCC : protection level high 0 8 OB_SPC_N OB_SPC_N 0x1 0x8 read 0x5A 0 OB_SPC_N OB_SPC complement value OB_SPC complement value 0 8 OB_USER OB_USER 0x2 0x8 read-write 0xFF FFFF BOR_TH BOR_TH (Brown out reset threshold) BOR_TH 0: No BOR 1: Have BOR, brownout threshold level (2.6V) 7 1 OTA OTA OTA 4 1 BB Boot configuration BB 0: boot from bootloader, when configured boot from main memory 1: No effect 3 1 nRST_STDBY Generate a reset instead of entering standby mode nRST_STDBY 0: generate a reset instead of entering standby mode 1: no reset when entering standby mode 2 1 nRST_DPSLP Generate a reset instead of entering Deep-sleep mode nRST_DPSLP 0: generate a reset instead of entering Deep-sleep mode 1: no reset when entering Deep-sleep mode 1 1 nWDG_HW Hardware free watchdog nWDG_HW 0: hardware free watchdog 1: software free watchdog 0 1 OB_USER_N OB_USER_N 0x3 0x8 read 0x00 0x2 OB_USER_N OB_USER complement value OB_USER complement value 0 8 OB_DATA[7:0] OB_DATA[7:0] 0x4 0x8 read-write 0xFF FFFF OB_DATA[7:0] user defined data bit 7 to 0 user defined data bit 7 to 0 0 8 OB_DATA_N[7:0] OB_DATA_N[7:0] 0x5 0x8 read 0x00 0x4 OB_DATA_N[7:0] OB_DATA complement value bit 7 to 0 OB_DATA complement value bit 7 to 0 0 8 OB_DATA[15:8] OB_DATA[15:8] 0x6 0x8 read-write 0xFF FFFF OB_DATA[15:8] user defined data bit 15 to 8 user defined data bit 15 to 8 0 8 OB_DATA_N[15:8] OB_DATA_N[15:8] 0x7 0x8 read 0x00 0x6 OB_DATA_N[15:8] OB_DATA complement value bit 15 to 8 OB_DATA complement value bit 15 to 8 0 8 OB_BK0WP[7:0] OB_BK0WP[7:0] 0x8 0x8 read-write 0xFF FFFF OB_BK0WP[7] 0x08007000~0x08007FFF Page Erase/Program Protection of bank0 bit 7(0x08007000~0x08007FFF) 0: protection active 1: unprotected 7 1 OB_BK0WP[6] 0x08006000~0x08006FFF Page Erase/Program Protection of bank0 bit 6(0x08006000~0x08006FFF) 0: protection active 1: unprotected 6 1 OB_BK0WP[5] 0x08005000~0x08005FFF Page Erase/Program Protection of bank0 bit 5(0x08005000~0x08005FFF) 0: protection active 1: unprotected 5 1 OB_BK0WP[4] 0x08040000~0x08004FFF Page Erase/Program Protection of bank0 bit 4(0x08040000~0x08004FFF) 0: protection active 1: unprotected 4 1 OB_BK0WP[3] 0x08003000~0x08003FFF Page Erase/Program Protection of bank0 bit 3(0x08003000~0x08003FFF) 0: protection active 1: unprotected 3 1 OB_BK0WP[2] 0x08002000~0x08002FFF Page Erase/Program Protection of bank0 bit 2(0x08002000~0x08002FFF) 0: protection active 1: unprotected 2 1 OB_BK0WP[1] 0x08001000~0x08001FFF Page Erase/Program Protection of bank0 bit 1(0x08001000~0x08001FFF) 0: protection active 1: unprotected 1 1 OB_BK0WP[0] 0x08000000~0x08000FFF Page Erase/Program Protection of bank0 bit 0(0x08000000~0x08000FFF) 0: protection active 1: unprotected 0 1 OB_BK0WP_N[7:0] OB_BK0WP_N[7:0] 0x9 0x8 read 0x00 0x8 OB_BK0WP_N[7:0] OB_BK0WP complement value bit 7 to 0 OB_BK0WP complement value bit 7 to 0 0 8 OB_BK0WP[15:8] OB_BK0WP[15:8] 0xA 0x8 read-write 0xFF FFFF OB_BK0WP[15] 0x0800F000~0x0800FFFF Page Erase/Program Protection of bank0 bit 15(0x0800F000~0x0800FFFF) 0: protection active 1: unprotected 7 1 OB_BK0WP[14] 0x0800E000~0x0800EFFF Page Erase/Program Protection of bank0 bit 14(0x0800E000~0x0800EFFF) 0: protection active 1: unprotected 6 1 OB_BK0WP[13] 0x0800D000~0x0800DFFF Page Erase/Program Protection of bank0 bit 13(0x0800D000~0x0800DFFF) 0: protection active 1: unprotected 5 1 OB_BK0WP[12] 0x0800C000~0x0800CFFF Page Erase/Program Protection of bank0 bit 12(0x0800C000~0x0800CFFF) 0: protection active 1: unprotected 4 1 OB_BK0WP[11] 0x0800B000~0x0800BFFF Page Erase/Program Protection of bank0 bit 11(0x0800B000~0x0800BFFF) 0: protection active 1: unprotected 3 1 OB_BK0WP[10] 0x0800A000~0x0800AFFF Page Erase/Program Protection of bank0 bit 10(0x0800A000~0x0800AFFF) 0: protection active 1: unprotected 2 1 OB_BK0WP[9] 0x08009000~0x08009FFF Page Erase/Program Protection of bank0 bit 9(0x08009000~0x08009FFF) 0: protection active 1: unprotected 1 1 OB_BK0WP[8] 0x08008000~0x08008FFF Page Erase/Program Protection of bank0 bit 8(0x08008000~0x08008FFF) 0: protection active 1: unprotected 0 1 OB_BK0WP_N[15:8] OB_BK0WP_N[15:8] 0xB 0x8 read 0x00 0xA OB_BK0WP_N[15:8] OB_BK0WP complement value bit 15 to 8 OB_BK0WP complement value bit 15 to 8 0 8 OB_BK0WP[23:16] OB_BK0WP[23:16] 0xC 0x8 read-write 0xFF FFFF OB_BK0WP[23] 0x08017000~0x08017FFF Page Erase/Program Protection of bank0 bit 23(0x08017000~0x08017FFF) 0: protection active 1: unprotected 7 1 OB_BK0WP[22] 0x08016000~0x08016FFF Page Erase/Program Protection of bank0 bit 22(0x08016000~0x08016FFF) 0: protection active 1: unprotected 6 1 OB_BK0WP[21] 0x08015000~0x08015FFF Page Erase/Program Protection of bank0 bit 21(0x08015000~0x08015FFF) 0: protection active 1: unprotected 5 1 OB_BK0WP[20] 0x08014000~0x08014FFF Page Erase/Program Protection of bank0 bit 20(0x08014000~0x08014FFF) 0: protection active 1: unprotected 4 1 OB_BK0WP[19] 0x08013000~0x08013FFF Page Erase/Program Protection of bank0 bit 19(0x08013000~0x08013FFF) 0: protection active 1: unprotected 3 1 OB_BK0WP[18] 0x08012000~0x08012FFF Page Erase/Program Protection of bank0 bit 18(0x08012000~0x08012FFF) 0: protection active 1: unprotected 2 1 OB_BK0WP[17] 0x08011000~0x08011FFF Page Erase/Program Protection of bank0 bit 17(0x08011000~0x08011FFF) 0: protection active 1: unprotected 1 1 OB_BK0WP[16] 0x08010000~0x08010FFF Page Erase/Program Protection of bank0 bit 16(0x08010000~0x08010FFF) 0: protection active 1: unprotected 0 1 OB_BK0WP_N[23:16] OB_BK0WP_N[23:16] 0xB 0x8 read 0x00 0xD OB_BK0WP_N[23:16] OB_BK0WP complement value bit 23 to 16 OB_BK0WP complement value bit 23 to 16 0 8 OB_BK0WP[31:24] OB_BK0WP[31:24] 0xE 0x8 read-write 0xFF FFFF OB_BK0WP[31] 0x0801F000~0x0801FFFF Page Erase/Program Protection of bank0 bit 31(0x0801F000~0x0801FFFF) 0: protection active 1: unprotected 7 1 OB_BK0WP[30] 0x0801E000~0x0801EFFF Page Erase/Program Protection of bank0 bit 30(0x0801E000~0x0801EFFF) 0: protection active 1: unprotected 6 1 OB_BK0WP[29] 0x0801D000~0x0801DFFF Page Erase/Program Protection of bank0 bit 29(0x0801D000~0x0801DFFF) 0: protection active 1: unprotected 5 1 OB_BK0WP[28] 0x0801C000~0x0801CFFF Page Erase/Program Protection of bank0 bit 28(0x0801C000~0x0801CFFF) 0: protection active 1: unprotected 4 1 OB_BK0WP[27] 0x0801B000~0x0801BFFF Page Erase/Program Protection of bank0 bit 27(0x0801B000~0x0801BFFF) 0: protection active 1: unprotected 3 1 OB_BK0WP[26] 0x0801A000~0x0801AFFF Page Erase/Program Protection of bank0 bit 26(0x0801A000~0x0801AFFF) 0: protection active 1: unprotected 2 1 OB_BK0WP[25] 0x08019000~0x08019FFF Page Erase/Program Protection of bank0 bit 25(0x08019000~0x08019FFF) 0: protection active 1: unprotected 1 1 OB_BK0WP[24] 0x08018000~0x08018FFF Page Erase/Program Protection of bank0 bit 24(0x08018000~0x08018FFF) 0: protection active 1: unprotected 0 1 OB_BK0WP_N[31:24] OB_BK0WP_N[31:24] 0xF 0x8 read 0x00 0xD OB_BK0WP_N[31:24] OB_BK0WP complement value bit 31 to 24 OB_BK0WP complement value bit 31 to 24 0 8 OB_DFWP[7:0] OB_DFWP[7:0] 0x12 0x8 read-write 0xFF FFFF OB_DFWP[7] 0x08807000~0x08807FFF Page Erase/Program Protection of data flash bit 7(0x08807000~0x08807FFF) 0: protection active 1: unprotected 7 1 OB_DFWP[6] 0x08806000~0x08806FFF Page Erase/Program Protection of data flash bit 6(0x08806000~0x08806FFF) 0: protection active 1: unprotected 6 1 OB_DFWP[5] 0x08805000~0x08805FFF Page Erase/Program Protection of data flash bit 5(0x08805000~0x08805FFF) 0: protection active 1: unprotected 5 1 OB_DFWP[4] 0x08804000~0x08804FFF Page Erase/Program Protection of data flash bit 4(0x08804000~0x08804FFF) 0: protection active 1: unprotected 4 1 OB_DFWP[3] 0x08803000~0x08803FFF Page Erase/Program Protection of data flash bit 3(0x08803000~0x08803FFF) 0: protection active 1: unprotected 3 1 OB_DFWP[2] 0x08802000~0x08802FFF Page Erase/Program Protection of data flash bit 2(0x08802000~0x08802FFF) 0: protection active 1: unprotected 2 1 OB_DFWP[1] 0x08801000~0x08801FFF Page Erase/Program Protection of data flash bit 1(0x08801000~0x08801FFF) 0: protection active 1: unprotected 1 1 OB_DFWP[0] 0x08800000~0x08800FFF Page Erase/Program Protection of data flash bit 0(0x08800000~0x08800FFF) 0: protection active 1: unprotected 0 1 OB_DFWP_N[7:0] OB_DFWP_N[7:0] 0x13 0x8 read 0x00 0x8 OB_DFWP_N[7:0] OB_DFWP complement value bit 7 to 0 OB_DFWP complement value bit 7 to 0 0 8 OB_EPWP[7:0] OB_EPWP[7:0] 0x14 0x8 read-write 0xFF FFFF OB_EPWP[7] 0x08C00700~0x08C007FF Page Erase/Program Protection of EEPROM backup bit 7(0x08C00700~0x08C007FF) 0: protection active 1: unprotected 7 1 OB_EPWP[6] 0x08C00600~0x08C006FF Page Erase/Program Protection of EEPROM backup bit 6(0x08C00600~0x08C006FF) 0: protection active 1: unprotected 6 1 OB_EPWP[5] 0x08C00500~0x08C005FF Page Erase/Program Protection of EEPROM backup bit 5(0x08C00500~0x08C005FF) 0: protection active 1: unprotected 5 1 OB_EPWP[4] 0x08C00400~0x08C004FF Page Erase/Program Protection of EEPROM backup bit 4(0x08C00400~0x08C004FF) 0: protection active 1: unprotected 4 1 OB_EPWP[3] 0x08C00300~0x08C003FF Page Erase/Program Protection of EEPROM backup bit 3(0x08C00300~0x08C003FF) 0: protection active 1: unprotected 3 1 OB_EPWP[2] 0x08C00200~0x08C002FF Page Erase/Program Protection of EEPROM backup bit 2(0x08C00200~0x08C002FF) 0: protection active 1: unprotected 2 1 OB_EPWP[1] 0x08C00100~0x08C001FF Page Erase/Program Protection of EEPROM backup bit 1(0x08C00100~0x08C001FF) 0: protection active 1: unprotected 1 1 OB_EPWP[0] 0x08C00000~0x08C000FF Page Erase/Program Protection of EEPROM backup bit 0(0x08C00000~0x08C000FF) 0: protection active 1: unprotected 0 1 OB_EPWP_N[7:0] OB_EPWP_N[7:0] 0x15 0x8 read 0x00 0x8 OB_EPWP_N[7:0] OB_EPWP complement value bit 7 to 0 OB_EPWP complement value bit 7 to 0 0 8 FMC_OB1CS FMC_OB1CS 0x0 0x20 read-write 0xFFFF8FF0 FFFF LKVAL[15:0] Option bytes 1 Lock Value Option bytes 1 Lock Value 0x33CC : Lock Option bytes 1, the Option bytes 1 cannot be modified any more other value : Do not lock Option bytes 1 16 16 EPLOAD Load EPLOAD of option byte 1 after reset Load EPLOAD of option byte 1 after reset. This bit can be write by software when OB1LK is 0 15 1 EPSIZE[3:0] Load EPSIZE of option byte 1 after reset Load EPSIZE of option byte 1 after reset. These bits can be write by software when OB1LK is 0 8 4 EFALC[3:0] Load EFALC of option byte 1 after reset Load EFALC of option byte 1 after reset. These bits can be write by software when OB1LK is 0 4 4 OB_SPC OB_SPC 0x0 0x8 read-write 0xA5 FFFF OB_SPC Option byte security protection value Option byte security protection value 0xA5 : no security protection any value except 0xA5 or 0xCC : protection level low 0xCC : protection level high 0 8 OB_SPC_N OB_SPC_N 0x1 0x8 read 0x5A 0 OB_SPC_N OB_SPC complement value OB_SPC complement value 0 8 OB_USER OB_USER 0x2 0x8 read-write 0xFF FFFF BOR_TH BOR_TH (Brown out reset threshold) BOR_TH 0: No BOR 1: Have BOR, brownout threshold level (2.6V) 7 1 OTA OTA OTA 4 1 BB Boot configuration BB 0: boot from bootloader, when configured boot from main memory 1: No effect 3 1 nRST_STDBY Generate a reset instead of entering standby mode nRST_STDBY 0: generate a reset instead of entering standby mode 1: no reset when entering standby mode 2 1 nRST_DPSLP Generate a reset instead of entering Deep-sleep mode nRST_DPSLP 0: generate a reset instead of entering Deep-sleep mode 1: no reset when entering Deep-sleep mode 1 1 nWDG_HW Hardware free watchdog nWDG_HW 0: hardware free watchdog 1: software free watchdog 0 1 OB_USER_N OB_USER_N 0x3 0x8 read 0x00 0x2 OB_USER_N OB_USER complement value OB_USER complement value 0 8 OB_DATA[7:0] OB_DATA[7:0] 0x4 0x8 read-write 0xFF FFFF OB_DATA[7:0] user defined data bit 7 to 0 user defined data bit 7 to 0 0 8 OB_DATA_N[7:0] OB_DATA_N[7:0] 0x5 0x8 read 0x00 0x4 OB_DATA_N[7:0] OB_DATA complement value bit 7 to 0 OB_DATA complement value bit 7 to 0 0 8 OB_DATA[15:8] OB_DATA[15:8] 0x6 0x8 read-write 0xFF FFFF OB_DATA[15:8] user defined data bit 15 to 8 user defined data bit 15 to 8 0 8 OB_DATA_N[15:8] OB_DATA_N[15:8] 0x7 0x8 read 0x00 0x6 OB_DATA_N[15:8] OB_DATA complement value bit 15 to 8 OB_DATA complement value bit 15 to 8 0 8 OB_BK0WP[7:0] OB_BK0WP[7:0] 0x8 0x8 read-write 0xFF FFFF OB_BK0WP[7] 0x08003800~0x08003FFF Page Erase/Program Protection of bank0 bit 7(0x08003800~0x08003FFF) 0: protection active 1: unprotected 7 1 OB_BK0WP[6] 0x08003000~0x080037FF Page Erase/Program Protection of bank0 bit 6(0x08003000~0x080037FF) 0: protection active 1: unprotected 6 1 OB_BK0WP[5] 0x08002800~0x08002FFF Page Erase/Program Protection of bank0 bit 5(0x08002800~0x08002FFF) 0: protection active 1: unprotected 5 1 OB_BK0WP[4] 0x08002000~0x080027FF Page Erase/Program Protection of bank0 bit 4(0x08002000~0x080027FF) 0: protection active 1: unprotected 4 1 OB_BK0WP[3] 0x08001800~0x08001FFF Page Erase/Program Protection of bank0 bit 3(0x08001800~0x08001FFF) 0: protection active 1: unprotected 3 1 OB_BK0WP[2] 0x08001000~0x080017FF Page Erase/Program Protection of bank0 bit 2(0x08001000~0x080017FF) 0: protection active 1: unprotected 2 1 OB_BK0WP[1] 0x08000800~0x08000FFF Page Erase/Program Protection of bank0 bit 1(0x08000800~0x08000FFF) 0: protection active 1: unprotected 1 1 OB_BK0WP[0] 0x08000000~0x080007FF Page Erase/Program Protection of bank0 bit 0(0x08000000~0x080007FF) 0: protection active 1: unprotected 0 1 OB_BK0WP_N[7:0] OB_BK0WP_N[7:0] 0x9 0x8 read 0x00 0x8 OB_BK0WP_N[7:0] OB_BK0WP complement value bit 7 to 0 OB_BK0WP complement value bit 7 to 0 0 8 OB_BK0WP[15:8] OB_BK0WP[15:8] 0xA 0x8 read-write 0xFF FFFF OB_BK0WP[15] 0x08007800~0x08007FFF Page Erase/Program Protection of bank0 bit 15(0x08007800~0x08007FFF) 0: protection active 1: unprotected 7 1 OB_BK0WP[14] 0x08007000~0x080077FF Page Erase/Program Protection of bank0 bit 14(0x08007000~0x080077FF) 0: protection active 1: unprotected 6 1 OB_BK0WP[13] 0x08006800~0x08006FFF Page Erase/Program Protection of bank0 bit 13(0x08006800~0x08006FFF) 0: protection active 1: unprotected 5 1 OB_BK0WP[12] 0x08006000~0x080067FF Page Erase/Program Protection of bank0 bit 12(0x08006000~0x080067FF) 0: protection active 1: unprotected 4 1 OB_BK0WP[11] 0x08005800~0x08005FFF Page Erase/Program Protection of bank0 bit 11(0x08005800~0x08005FFF) 0: protection active 1: unprotected 3 1 OB_BK0WP[10] 0x08005000~0x080057FF Page Erase/Program Protection of bank0 bit 10(0x08005000~0x080057FF) 0: protection active 1: unprotected 2 1 OB_BK0WP[9] 0x08004800~0x08004FFF Page Erase/Program Protection of bank0 bit 9(0x08004800~0x08004FFF) 0: protection active 1: unprotected 1 1 OB_BK0WP[8] 0x08004000~0x080047FF Page Erase/Program Protection of bank0 bit 8(0x08004000~0x080047FF) 0: protection active 1: unprotected 0 1 OB_BK0WP_N[15:8] OB_BK0WP_N[15:8] 0xB 0x8 read 0x00 0xA OB_BK0WP_N[15:8] OB_BK0WP complement value bit 15 to 8 OB_BK0WP complement value bit 15 to 8 0 8 OB_BK0WP[23:16] OB_BK0WP[23:16] 0xC 0x8 read-write 0xFF FFFF OB_BK0WP[23] 0x0800B800~0x0800BFFF Page Erase/Program Protection of bank0 bit 23(0x0800B800~0x0800BFFF) 0: protection active 1: unprotected 7 1 OB_BK0WP[22] 0x0800B000~0x0800B7FF Page Erase/Program Protection of bank0 bit 22(0x0800B000~0x0800B7FF) 0: protection active 1: unprotected 6 1 OB_BK0WP[21] 0x0800A800~0x0800AFFF Page Erase/Program Protection of bank0 bit 21(0x0800A800~0x0800AFFF) 0: protection active 1: unprotected 5 1 OB_BK0WP[20] 0x0800A000~0x0800A7FF Page Erase/Program Protection of bank0 bit 20(0x0800A000~0x0800A7FF) 0: protection active 1: unprotected 4 1 OB_BK0WP[19] 0x08009800~0x08009FFF Page Erase/Program Protection of bank0 bit 19(0x08009800~0x08009FFF) 0: protection active 1: unprotected 3 1 OB_BK0WP[18] 0x08009000~0x080097FF Page Erase/Program Protection of bank0 bit 18(0x08009000~0x080097FF) 0: protection active 1: unprotected 2 1 OB_BK0WP[17] 0x08008800~0x08008FFF Page Erase/Program Protection of bank0 bit 17(0x08008800~0x08008FFF) 0: protection active 1: unprotected 1 1 OB_BK0WP[16] 0x08008000~0x080087FF Page Erase/Program Protection of bank0 bit 16(0x08008000~0x080087FF) 0: protection active 1: unprotected 0 1 OB_BK0WP_N[23:16] OB_BK0WP_N[23:16] 0xB 0x8 read 0x00 0xD OB_BK0WP_N[23:16] OB_BK0WP complement value bit 23 to 16 OB_BK0WP complement value bit 23 to 16 0 8 OB_BK0WP[31:24] OB_BK0WP[31:24] 0xE 0x8 read-write 0xFF FFFF OB_BK0WP[31] 0x0800F800~0x0800FFFF Page Erase/Program Protection of bank0 bit 31(0x0800F800~0x0800FFFF) 0: protection active 1: unprotected 7 1 OB_BK0WP[30] 0x0800F000~0x0800F7FF Page Erase/Program Protection of bank0 bit 30(0x0800F000~0x0800F7FF) 0: protection active 1: unprotected 6 1 OB_BK0WP[29] 0x0800E800~0x0800EFFF Page Erase/Program Protection of bank0 bit 29(0x0800E800~0x0800EFFF) 0: protection active 1: unprotected 5 1 OB_BK0WP[28] 0x0800E000~0x0800E7FF Page Erase/Program Protection of bank0 bit 28(0x0800E000~0x0800E7FF) 0: protection active 1: unprotected 4 1 OB_BK0WP[27] 0x0800D800~0x0800DFFF Page Erase/Program Protection of bank0 bit 27(0x0800D800~0x0800DFFF) 0: protection active 1: unprotected 3 1 OB_BK0WP[26] 0x0800D000~0x0800D7FF Page Erase/Program Protection of bank0 bit 26(0x0800D000~0x0800D7FF) 0: protection active 1: unprotected 2 1 OB_BK0WP[25] 0x0800C800~0x0800CFFF Page Erase/Program Protection of bank0 bit 25(0x0800C800~0x0800CFFF) 0: protection active 1: unprotected 1 1 OB_BK0WP[24] 0x0800C000~0x0800C7FF Page Erase/Program Protection of bank0 bit 24(0x0800C000~0x0800C7FF) 0: protection active 1: unprotected 0 1 OB_BK0WP_N[31:24] OB_BK0WP_N[31:24] 0xF 0x8 read 0x00 0xD OB_BK0WP_N[31:24] OB_BK0WP complement value bit 31 to 24 OB_BK0WP complement value bit 31 to 24 0 8 OB_DFWP[7:0] OB_DFWP[7:0] 0x12 0x8 read-write 0xFF FFFF OB_DFWP[7] 0x08803800~0x08803FFF Page Erase/Program Protection of data flash bit 7(0x08803800~0x08803FFF) 0: protection active 1: unprotected 7 1 OB_DFWP[6] 0x08803000~0x088037FF Page Erase/Program Protection of data flash bit 6(0x08803000~0x088037FF) 0: protection active 1: unprotected 6 1 OB_DFWP[5] 0x08802800~0x08802FFF Page Erase/Program Protection of data flash bit 5(0x08802800~0x08802FFF) 0: protection active 1: unprotected 5 1 OB_DFWP[4] 0x08802000~0x088027FF Page Erase/Program Protection of data flash bit 4(0x08802000~0x088027FF) 0: protection active 1: unprotected 4 1 OB_DFWP[3] 0x08801800~0x08801FFF Page Erase/Program Protection of data flash bit 3(0x08801800~0x08801FFF) 0: protection active 1: unprotected 3 1 OB_DFWP[2] 0x08801000~0x088017FF Page Erase/Program Protection of data flash bit 2(0x08801000~0x088017FF) 0: protection active 1: unprotected 2 1 OB_DFWP[1] 0x08800800~0x08800FFF Page Erase/Program Protection of data flash bit 1(0x08800800~0x08800FFF) 0: protection active 1: unprotected 1 1 OB_DFWP[0] 0x08800000~0x088007FF Page Erase/Program Protection of data flash bit 0(0x08800000~0x088007FF) 0: protection active 1: unprotected 0 1 OB_DFWP_N[7:0] OB_DFWP_N[7:0] 0x13 0x8 read 0x00 0x8 OB_DFWP_N[7:0] OB_DFWP complement value bit 7 to 0 OB_DFWP complement value bit 7 to 0 0 8 OB_EPWP[7:0] OB_EPWP[7:0] 0x14 0x8 read-write 0xFF FFFF OB_EPWP[7] 0x08C00380~0x08C003FF Page Erase/Program Protection of EEPROM backup bit 7(0x08C00380~0x08C003FF) 0: protection active 1: unprotected 7 1 OB_EPWP[6] 0x08C00300~0x08C0037F Page Erase/Program Protection of EEPROM backup bit 6(0x08C00300~0x08C0037F) 0: protection active 1: unprotected 6 1 OB_EPWP[5] 0x08C00280~0x08C002FF Page Erase/Program Protection of EEPROM backup bit 5(0x08C00280~0x08C002FF) 0: protection active 1: unprotected 5 1 OB_EPWP[4] 0x08C00200~0x08C0027F Page Erase/Program Protection of EEPROM backup bit 4(0x08C00200~0x08C0027F) 0: protection active 1: unprotected 4 1 OB_EPWP[3] 0x08C00180~0x08C001FF Page Erase/Program Protection of EEPROM backup bit 3(0x08C00180~0x08C001FF) 0: protection active 1: unprotected 3 1 OB_EPWP[2] 0x08C00100~0x08C0017F Page Erase/Program Protection of EEPROM backup bit 2(0x08C00100~0x08C0017F) 0: protection active 1: unprotected 2 1 OB_EPWP[1] 0x08C00080~0x08C000FF Page Erase/Program Protection of EEPROM backup bit 1(0x08C00080~0x08C000FF) 0: protection active 1: unprotected 1 1 OB_EPWP[0] 0x08C00000~0x08C0007F Page Erase/Program Protection of EEPROM backup bit 0(0x08C00000~0x08C0007F) 0: protection active 1: unprotected 0 1 OB_EPWP_N[7:0] OB_EPWP_N[7:0] 0x15 0x8 read 0x00 0x8 OB_EPWP_N[7:0] OB_EPWP complement value bit 7 to 0 OB_EPWP complement value bit 7 to 0 0 8 FMC_OB1CS FMC_OB1CS 0x0 0x20 read-write 0xFFFF8FF0 FFFF LKVAL[15:0] Option bytes 1 Lock Value Option bytes 1 Lock Value 0x33CC : Lock Option bytes 1, the Option bytes 1 cannot be modified any more other value : Do not lock Option bytes 1 16 16 EPLOAD Load EPLOAD of option byte 1 after reset Load EPLOAD of option byte 1 after reset. This bit can be write by software when OB1LK is 0 15 1 EPSIZE[3:0] Load EPSIZE of option byte 1 after reset Load EPSIZE of option byte 1 after reset. These bits can be write by software when OB1LK is 0 8 4 EFALC[3:0] Load EFALC of option byte 1 after reset Load EFALC of option byte 1 after reset. These bits can be write by software when OB1LK is 0 4 4