USER USER 0x0 0x8 read-write 0xEF FFFF nRST_STDBY Option byte standby reset value. nRST_STDBY 0: generate a reset instead of entering standby mode 1: no reset when entering standby mode 7 1 nRST_DPSLP Option byte deepsleep reset value. nRST_DPSLP 0: generate a reset instead of entering Deep-sleep mode 1: no reset when entering Deep-sleep mode 6 1 nWDG_HW Option byte watchdog value. nWDG_HW 0: hardware free watchdog 1: software free watchdog 5 1 BB Option byte boot bank value 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 Option byte BOR threshold value. BOR_TH 00: BOR threshold value 3 01: BOR threshold value 2 10: BOR threshold value 1 11: NO BOR function 2 2 ECCEN ECC enable bit. ECCEN 0: disable ECC 1: enable ECC (Default value) 1 1 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] 0x8000000~0x8003FFF Sector Erase/Program Protection bit 0(0x8000000~0x8003FFF) 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 CBUS read protection bit DRP (CBUS 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 NWA Select no waiting time area. No wait time area select 0: Bank1 1: Bank0 (Default value) 5 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 WP0[19:12] WP0[19:12] 0xC 0x8 read-write 0xFF FFFF WP0[19] 0x081E0000~0x081FFFFF Sector Erase/Program Protection bit 19(0x081E0000~0x081FFFFF) 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[18] 0x081C0000~0x081DFFFF Sector Erase/Program Protection bit 18(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 6 1 WP0[17] 0x081A0000~0x081BFFFF Sector Erase/Program Protection bit 17(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 5 1 WP0[16] 0x08180000~0x0819FFFF Sector Erase/Program Protection bit 16(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 4 1 WP0[15] 0x08160000~0x0817FFFF Sector Erase/Program Protection bit 15(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 3 1 WP0[14] 0x08140000~0x0815FFFF Sector Erase/Program Protection bit 14(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 2 1 WP0[13] 0x08120000~0x0813FFFF Sector Erase/Program Protection bit 13(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 1 1 WP0[12] 0x08100000~0x0811FFFF Sector Erase/Program Protection bit 12(0x08100000~0x0811FFFF) 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 0 1 WP1[7:0] WP1[7:0] 0x08 0x8 read-write 0xFF FFFF WP1[7] 0x08260000~0x0827FFFF Sector Erase/Program Protection bit 7 for Bank1(0x08260000~0x0827FFFF) 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] 0x08240000~0x0825FFFF Sector Erase/Program Protection bit 6 for Bank1(0x08240000~0x0825FFFF) 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] 0x08220000~0x0823FFFF Sector Erase/Program Protection bit 5 for Bank1(0x08220000~0x0823FFFF) 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] 0x08210000~0x0821FFFF Sector Erase/Program Protection bit 4 for Bank1(0x08210000~0x0821FFFF) 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] 0x0820C000~0x0820FFFF Sector Erase/Program Protection bit 3 for Bank1(0x0820C000~0x0820FFFF) 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] 0x08208000~0x0820BFFF Sector Erase/Program Protection bit 2 for Bank1(0x08208000~0x0820BFFF) 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] 0x08204000~0x08207FFF Sector Erase/Program Protection bit 1 for Bank1(0x08204000~0x08207FFF) 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] 0x08200000~0x08203FFF Sector Erase/Program Protection bit 0 for Bank1(0x08200000~0x08203FFF) 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] 0x082E0000~0x082FFFFF Sector Erase/Program Protection bit 11 for Bank1(0x082E0000~0x082FFFFF) 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] 0x082C0000~0x082DFFFF Sector Erase/Program Protection bit 10 for Bank1(0x082C0000~0x082DFFFF) 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] 0x082A0000~0x082BFFFF Sector Erase/Program Protection bit 9 for Bank1(0x082A0000~0x082BFFFF) 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] 0x08280000~0x0829FFFF Sector Erase/Program Protection bit 8 for Bank1(0x08280000~0x0829FFFF) 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[19:12] WP1[19:12] 0x0C 0x8 read-write 0xFF FFFF WP1[19] 0x083E0000~0x0877FFFF Bit 19 controls the protection of the rest flash memory(0x083E0000~0x0877FFFF) 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[18] 0x083C0000~0x083DFFFF Sector Erase/Program Protection bit 18 for Bank1(0x083C0000~0x083DFFFF) 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[17] 0x083A0000~0x083BFFFF Sector Erase/Program Protection bit 17 for Bank1(0x083A0000~0x083BFFFF) 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[16] 0x08380000~0x0839FFFF Sector Erase/Program Protection bit 16 for Bank1(0x08380000~0x0839FFFF) 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[15] 0x08360000~0x0837FFFF Sector Erase/Program Protection bit 15 for Bank1(0x08360000~0x0837FFFF) 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[14] 0x08340000~0x0835FFFF Sector Erase/Program Protection bit 14 for Bank1(0x08340000~0x0835FFFF) 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[13] 0x08320000~0x0833FFFF Sector Erase/Program Protection bit 13 for Bank1(0x08320000~0x0833FFFF) 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[12] 0x08300000~0x0831FFFF Sector Erase/Program Protection bit 12 for Bank1(0x08300000~0x0831FFFF) 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