Fields In FLASH_OPTCR1 (0x40023C00, 0x0018)
| Field | Offset | Width |
STM32F401 |
STM32F405 |
STM32F407 |
STM32F410 |
STM32F411 |
STM32F412 |
STM32F413 |
STM32F415 |
STM32F417 |
STM32F427 |
STM32F429 |
STM32F437 |
STM32F439 |
STM32F446 |
STM32F469 |
| nWRP0 | 16 | 1 |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✔ |
✔ |
✘ |
✘ |
✘ |
✔ |
| nWRP | 16 | 12 |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✔ |
✔ |
✘ |
✘ |
| nWRP1 | 17 | 1 |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✔ |
✔ |
✘ |
✘ |
✘ |
✔ |
| nWRP2 | 18 | 1 |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✔ |
✔ |
✘ |
✘ |
✘ |
✔ |
| nWRP3 | 19 | 1 |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✔ |
✔ |
✘ |
✘ |
✘ |
✔ |
| nWRP4 | 20 | 1 |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✔ |
✔ |
✘ |
✘ |
✘ |
✔ |
| nWRP5 | 21 | 1 |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✔ |
✔ |
✘ |
✘ |
✘ |
✔ |
| nWRP6 | 22 | 1 |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✔ |
✔ |
✘ |
✘ |
✘ |
✔ |
| nWRP7 | 23 | 1 |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✔ |
✔ |
✘ |
✘ |
✘ |
✔ |
| nWRP8 | 24 | 1 |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✔ |
✔ |
✘ |
✘ |
✘ |
✔ |
| nWRP9 | 25 | 1 |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✔ |
✔ |
✘ |
✘ |
✘ |
✔ |
| nWRP10 | 26 | 1 |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✔ |
✔ |
✘ |
✘ |
✘ |
✔ |
| nWRP11 | 27 | 1 |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✘ |
✔ |
✔ |
✘ |
✘ |
✘ |
✔ |