SPC SPC 0x0 0x8 read-write 0xA5 FFFF 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 SPC_N SPC_N 0x1 0x8 read 0x5A 0 SPC_N SPC complement value SPC complement value 0 8 USER USER 0x2 0x8 read-write 0xFF FFFF BOR_TH Brown out reset threshold BOR_TH 00: BOR Level 3, brownout threshold level 3 01: BOR Level 2, brownout threshold level 2 10: BOR Level 1, brownout threshold level 1 11: BOR off 6 2 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 USER_N USER_N 0x3 0x8 read 0x00 0x2 USER_N USER complement value USER complement value 0 8 DATA[7:0] DATA[7:0] 0x4 0x8 read-write 0xFF FFFF DATA[7:0] user defined data bit 7 to 0 user defined data bit 7 to 0 0 8 DATA_N[7:0] DATA_N[7:0] 0x5 0x8 read 0x00 0x4 DATA_N[7:0] DATA complement value bit 7 to 0 DATA complement value bit 7 to 0 0 8 DATA[15:8] DATA[15:8] 0x6 0x8 read-write 0xFF FFFF DATA[15:8] user defined data bit 15 to 8 user defined data bit 15 to 8 0 8 DATA_N[15:8] DATA_N[15:8] 0x7 0x8 read 0x00 0x6 DATA_N[15:8] DATA complement value bit 15 to 8 DATA complement value bit 15 to 8 0 8 WP[7:0] WP[7:0] 0x8 0x8 read-write 0xFF FFFF WP[7] 0x0800E000~0x0800FFFF Page Erase/Program Protection bit 7(0x0800E000~0x0800FFFF) 0: protection active 1: unprotected 7 1 WP[6] 0x0800C000~0x0800DFFF Page Erase/Program Protection bit 6(0x0800C000~0x0800DFFF) 0: protection active 1: unprotected 6 1 WP[5] 0x0800A000~0x0800BFFF Page Erase/Program Protection bit 5(0x0800A000~0x0800BFFF) 0: protection active 1: unprotected 5 1 WP[4] 0x08008000~0x08009FFF Page Erase/Program Protection bit 4(0x08008000~0x08009FFF) 0: protection active 1: unprotected 4 1 WP[3] 0x08006000~0x08007FFF Page Erase/Program Protection bit 3(0x08006000~0x08007FFF) 0: protection active 1: unprotected 3 1 WP[2] 0x08004000~0x08005FFF Page Erase/Program Protection bit 2(0x08004000~0x08005FFF) 0: protection active 1: unprotected 2 1 WP[1] 0x08002000~0x08003FFF Page Erase/Program Protection bit 1(0x08002000~0x08003FFF) 0: protection active 1: unprotected 1 1 WP[0] 0x08000000~0x08001FFF Page Erase/Program Protection bit 0(0x08000000~0x08001FFF) 0: protection active 1: unprotected 0 1 WP_N[7:0] WP_N[7:0] 0x9 0x8 read 0x00 0x8 WP_N[7:0] WP complement value bit 7 to 0 WP complement value bit 7 to 0 0 8 WP[15:8] WP[15:8] 0xA 0x8 read-write 0xFF FFFF WP[15] 0x0801E000~0x0801FFFF Page Erase/Program Protection bit 15(0x0801D000~0x0801EFFF) 0: protection active 1: unprotected 7 1 WP[14] 0x0801C000~0x0801DFFF Page Erase/Program Protection bit 14(0x0801B000~0x0801CFFF) 0: protection active 1: unprotected 6 1 WP[13] 0x0801A000~0x0801BFFF Page Erase/Program Protection bit 13(0x08019000~0x0801AFFF) 0: protection active 1: unprotected 5 1 WP[12] 0x08018000~0x08019FFF Page Erase/Program Protection bit 12(0x08018000~0x08018FFF) 0: protection active 1: unprotected 4 1 WP[11] 0x08016000~0x08017FFF Page Erase/Program Protection bit 11(0x08016000~0x08017FFF) 0: protection active 1: unprotected 3 1 WP[10] 0x08014000~0x08015FFF Page Erase/Program Protection bit 10(0x08014000~0x08015FFF) 0: protection active 1: unprotected 2 1 WP[9] 0x08012000~0x08013FFF Page Erase/Program Protection bit 9(0x08012000~0x08013FFF) 0: protection active 1: unprotected 1 1 WP[8] 0x08010000~0x08011FFF Page Erase/Program Protection bit 8(0x08010000~0x08011FFF) 0: protection active 1: unprotected 0 1 WP_N[15:8] WP_N[15:8] 0xB 0x8 read 0x00 0xA WP_N[15:8] WP complement value bit 15 to 8 WP complement value bit 15 to 8 0 8 WP[23:16] WP[23:16] 0xC 0x8 read-write 0xFF FFFF WP[23] 0x0802E000~0x0802FFFF Page Erase/Program Protection bit 23(0x0802D000~0x0802EFFF) 0: protection active 1: unprotected 7 1 WP[22] 0x0802C000~0x0802DFFF Page Erase/Program Protection bit 22(0x0802B000~0x0802CFFF) 0: protection active 1: unprotected 6 1 WP[21] 0x0802A000~0x0802BFFF Page Erase/Program Protection bit 21(0x08029000~0x0802AFFF) 0: protection active 1: unprotected 5 1 WP[20] 0x08028000~0x08029FFF Page Erase/Program Protection bit 20(0x08027000~0x08028FFF) 0: protection active 1: unprotected 4 1 WP[19] 0x08026000~0x08027FFF Page Erase/Program Protection bit 19(0x08025000~0x08026FFF) 0: protection active 1: unprotected 3 1 WP[18] 0x08024000~0x08025FFF Page Erase/Program Protection bit 18(0x08023000~0x08024FFF) 0: protection active 1: unprotected 2 1 WP[17] 0x08022000~0x08023FFF Page Erase/Program Protection bit 17(0x08021000~0x08022FFF) 0: protection active 1: unprotected 1 1 WP[16] 0x08020000~0x08021FFF Page Erase/Program Protection bit 16(0x0801F000~0x08020FFF) 0: protection active 1: unprotected 0 1 WP_N[23:16] WP_N[23:16] 0xB 0x8 read 0x00 0xD WP_N[23:16] WP complement value bit 23 to 16 WP complement value bit 23 to 16 0 8 WP[31:24] WP[31:24] 0xE 0x8 read-write 0xFF FFFF WP[31] 0x0803E000~0x0807FFFF Page Erase/Program Protection bit 31(0x0805D000~0x0807FFFF) 0: protection active 1: unprotected 7 1 WP[30] 0x0803C000~0x0803DFFF Page Erase/Program Protection bit 30(0x0805B000~0x0805CFFF) 0: protection active 1: unprotected 6 1 WP[29] 0x0803A000~0x0803BFFF Page Erase/Program Protection bit 29(0x08059000~0x0805AFFF) 0: protection active 1: unprotected 5 1 WP[28] 0x08038000~0x08039FFF Page Erase/Program Protection bit 28(0x08057000~0x08058FFF) 0: protection active 1: unprotected 4 1 WP[27] 0x08036000~0x08037FFF Page Erase/Program Protection bit 27(0x08055000~0x08056FFF) 0: protection active 1: unprotected 3 1 WP[26] 0x08034000~0x08035FFF Page Erase/Program Protection bit 26(0x08053000~0x08054FFF) 0: protection active 1: unprotected 2 1 WP[25] 0x08032000~0x08033FFF Page Erase/Program Protection bit 25(0x08041000~0x08052FFF) 0: protection active 1: unprotected 1 1 WP[24] 0x08030000~0x08031FFF Page Erase/Program Protection bit 24(0x0803F000~0x08040FFF) 0: protection active 1: unprotected 0 1 WP_N[31:24] WP_N[31:24] 0xF 0x8 read 0x00 0xD WP_N[31:24] WP complement value bit 31 to 24 WP complement value bit 31 to 24 0 8