USER USER 0x0 0x8 read-write 0xEF FFFF 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 7 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 6 1 nWDG_HW Hardware free watchdog nWDG_HW 0: hardware free watchdog 1: software free watchdog 5 1 BB Boot configuration BB 0: boot from bank0, when configured boot from main memory (default value) 1: boot from bank1 or bank0 if bank1 is void, when configured boot from main memory 4 1 BOR_TH BOR_TH (Brown out reset threshold) BOR_TH 00: BOR threshold value 3 01: BOR threshold value 2 10: BOR threshold value 1 11: NO BOR function 2 2 SPC SPC 0x1 0x8 read-write 0xAA FFFF SPC Option byte security protection code Option byte security protection code 0xAA: No protection any value except 0xAA or 0xCC: Protection level low 0xCC: Protection level high 0 8 WP0[7:0] WP0[7:0] 0x8 0x8 read-write 0xFF FFFF WP0[7] 0x08060000~0x0807FFFF Sector Erase/Program Protection bit 7(0x08060000~0x0807FFFF) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 7 1 WP0[6] 0x08040000~0x0805FFFF Sector Erase/Program Protection bit 6(0x08040000~0x0805FFFF) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 6 1 WP0[5] 0x08020000~0x0803FFFF Sector Erase/Program Protection bit 5(0x08020000~0x0803FFFF) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 5 1 WP0[4] 0x08010000~0x0801FFFF Sector Erase/Program Protection bit 4(0x08010000~0x0801FFFF) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 4 1 WP0[3] 0x0800C000~0x0800FFFF Sector Erase/Program Protection bit 3(0x0800C000~0x0800FFFF) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 3 1 WP0[2] 0x08008000~0x0800BFFF Sector Erase/Program Protection bit 2(0x08008000~0x0800BFFF) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 2 1 WP0[1] 0x08004000~0x08007FFF Sector Erase/Program Protection bit 1(0x08004000~0x08007FFF) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 1 1 WP0[0] 0x08000000~0x08003FFF Sector Erase/Program Protection bit 0(0x08000000~0x08003FFF) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 0 1 WP0 WP0 0x9 0x8 read-write 0x3F FFFF DRP DBUS read protection bit DRP (DBUS read protection bit) 0: The WP0 bits used as erase/program protection of each sector (Default value) 1: The WP0 bits used as erase/program protection and D-bus read protection of each sector 7 1 DBS Double banks or single bank selection when flash size is 1M bytes DBS (Double banks or single bank selection when flash size is 1M bytes) 0: Single bank when flash size is 1M bytes 1: Double banks when flash size is 1M bytes 6 1 WP0[11] 0x080E0000~0x080FFFFF Sector Erase/Program Protection bit 11(0x080E0000~0x080FFFFF) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 3 1 WP0[10] 0x080C0000~0x080DFFFF Sector Erase/Program Protection bit 10(0x080C0000~0x080DFFFF) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 2 1 WP0[9] 0x080A0000~0x080BFFFF Sector Erase/Program Protection bit 9(0x080A0000~0x080BFFFF) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 1 1 WP0[8] 0x08080000~0x0809FFFF Sector Erase/Program Protection bit 8(0x08080000~0x0809FFFF) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 0 1 WP1[7:0] WP1[7:0] 0x08 0x8 read-write 0xFF FFFF WP1[7] 0x08160000~0x0817FFFF Sector Erase/Program Protection bit 7 for Bank1(0x08160000~0x0817FFFF) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 7 1 WP1[6] 0x08140000~0x0815FFFF Sector Erase/Program Protection bit 6 for Bank1(0x08140000~0x0815FFFF) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 6 1 WP1[5] 0x08120000~0x0813FFFF Sector Erase/Program Protection bit 5 for Bank1(0x08120000~0x0813FFFF) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 5 1 WP1[4] 0x08110000~0x0811FFFF Sector Erase/Program Protection bit 4 for Bank1(0x08110000~0x0811FFFF) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 4 1 WP1[3] 0x0810C000~0x0810FFFF Sector Erase/Program Protection bit 3 for Bank1(0x0810C000~0x0810FFFF) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 3 1 WP1[2] 0x08108000~0x0810BFFF Sector Erase/Program Protection bit 2 for Bank1(0x08108000~0x0810BFFF) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 2 1 WP1[1] 0x08104000~0x08107FFF Sector Erase/Program Protection bit 1 for Bank1(0x08104000~0x08107FFF) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 1 1 WP1[0] 0x08100000~0x08103FFF Sector Erase/Program Protection bit 0 for Bank1(0x08100000~0x08103FFF) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 0 1 WP1 WP1 0x09 0x8 read-write 0xFF FFFF WP1[11] 0x081E0000~ Sector Erase/Program Protection bit 11 for Bank1(Bit 11 controls the protection of the rest flash memory) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 3 1 WP1[10] 0x081C0000~0x081DFFFF Sector Erase/Program Protection bit 10 for Bank1(0x081C0000~0x081DFFFF) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 2 1 WP1[9] 0x081A0000~0x081BFFFF Sector Erase/Program Protection bit 9 for Bank1(0x081A0000~0x081BFFFF) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 1 1 WP1[8] 0x08180000~0x0819FFFF Sector Erase/Program Protection bit 8 for Bank1(0x08180000~0x0819FFFF) 0: Erase/program protection when DRP is 0. No effect when DRP is 1 1: No effect when DRP is 0. Erase/program protection and D-bus read protection when DRP is 1 0 1 OTP OTP 0x08 0x20 0x1FFF7A00 0x10 0x1FFF7800 0x1FFF7A0F OTP_Lock0 OTP_Lock0 0x1FFF7800 0x1FFF781F 0x1 0x20 0x00 8 0x00 OTP_Lock1 OTP_Lock1 0x1FFF7820 0x1FFF783F 0x1 0x20 0x01 8 0x00 OTP_Lock2 OTP_Lock2 0x1FFF7840 0x1FFF785F 0x1 0x20 0x02 8 0x00 OTP_Lock3 OTP_Lock3 0x1FFF7860 0x1FFF787F 0x1 0x20 0x03 8 0x00 OTP_Lock4 OTP_Lock4 0x1FFF7880 0x1FFF789F 0x1 0x20 0x04 8 0x00 OTP_Lock5 OTP_Lock5 0x1FFF78A0 0x1FFF78BF 0x1 0x20 0x05 8 0x00 OTP_Lock6 OTP_Lock6 0x1FFF78C0 0x1FFF78DF 0x1 0x20 0x06 8 0x00 OTP_Lock7 OTP_Lock7 0x1FFF78E0 0x1FFF78FF 0x1 0x20 0x07 8 0x00 OTP_Lock8 OTP_Lock8 0x1FFF7900 0x1FFF791F 0x1 0x20 0x08 8 0x00 OTP_Lock9 OTP_Lock9 0x1FFF7920 0x1FFF793F 0x1 0x20 0x09 8 0x00 OTP_Lock10 OTP_Lock10 0x1FFF7940 0x1FFF795F 0x1 0x20 0x0A 8 0x00 OTP_Lock11 OTP_Lock11 0x1FFF7960 0x1FFF797F 0x1 0x20 0x0B 8 0x00 OTP_Lock12 OTP_Lock12 0x1FFF7980 0x1FFF799F 0x1 0x20 0x0C 8 0x00 OTP_Lock13 OTP_Lock13 0x1FFF79A0 0x1FFF79BF 0x1 0x20 0x0D 8 0x00 OTP_Lock14 OTP_Lock14 0x1FFF79C0 0x1FFF79EF 0x1 0x20 0x0E 8 0x00 OTP_Lock15 OTP_Lock15 0x1FFF79E0 0x1FFF79FF 0x1 0x20 0x0F 8 0x00