Embedded Flash memory (FLASH) RM0351
114/1693 DocID024597 Rev 3
3.7.9 Flash Bank 1 PCROP Start address register (FLASH_PCROP1SR)
Address offset: 0x24
Reset value: 0xFFFF XXXX
Bit 21 DUALBANK: Dual-Bank on 512 KB or 256 KB Flash memory devices
0: 256 KB/512 KB Single-bank Flash: Contiguous addresses in Bank 1
1: 256 KB/512 KB Dual-bank Flash: Refer to Tab le 6 and Table 7.
Bit 20 BFB2: Dual-bank boot
0: Dual-bank boot disable
1: Dual-bank boot enable
Bit 19 WWDG_SW: Window watchdog selection
0: Hardware window watchdog
1: Software window watchdog
Bit 18 IWDG_STDBY: Independent watchdog counter freeze in Standby mode
0: Independent watchdog counter is frozen in Standby mode
1: Independent watchdog counter is running in Standby mode
Bit 17 IWDG_STOP: Independent watchdog counter freeze in Stop mode
0: Independent watchdog counter is frozen in Stop mode
1: Independent watchdog counter is running in Stop mode
Bit 16 IDWG_SW: Independent watchdog selection
0: Hardware independent watchdog
1: Software independent watchdog
Bit 15 Reserved, must be kept cleared
Bit 14 nRST_SHDW
0: Reset generated when entering the Shutdown mode
1: No reset generated when entering the Shutdown mode
Bit 13 nRST_STDBY
0: Reset generated when entering the Standby mode
1: No reset generate when entering the Standby mode
Bit 12 nRST_STOP
0: Reset generated when entering the Stop mode
1: No reset generated when entering the Stop mode
Bit 11 Reserved, must be kept cleared
Bits10:8 BOR_LEV: BOR reset Level
These bits contain the VDD supply level threshold that activates/releases the
reset.
000: BOR Level 0. Reset level threshold is around 1.7 V
001: BOR Level 1. Reset level threshold is around 2.0 V
010: BOR Level 2. Reset level threshold is around 2.2 V
011: BOR Level 3. Reset level threshold is around 2.5 V
100: BOR Level 4. Reset level threshold is around 2.8 V
Bits 7:0 RDP: Read protection level
0xAA: Level 0, read protection not active
0xCC: Level 2, chip read protection active
Others: Level 1, memories read protection active
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