16.21.7 NVMPWPLT – Flash Program Write Protect Lower Register
| Name: | NVMPWPLT |
| Offset: | 0xD0 |
| Reset: | 0x80000000 |
| Property: | - |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| ULOCK | |||||||||
| Access | R/C | ||||||||
| Reset | 1 |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| PWPLT[23:16] | |||||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| PWPLT[15:8] | |||||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| PWPLT[7:0] | |||||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Bit 31 – ULOCK NVMPWPLT Register Unlock Bit
Note:
- This field can only be modified when the NVMKEY unlock sequence is satisfied.
- This field can be cleared at the same time as writing to PWPLT[23:0].
| Value | Description |
|---|---|
| 1 |
NVMPWPLT register is not locked and can be modified |
| 0 |
NVMPWPLT register is locked and cannot be modified |
Bits 23:0 – PWPLT[23:0] Flash Program Write Protect Less Than Address
Note:
- This field can only
be modified when the NVMKEY unlock sequence is satisfied, and ULOCK
=
1. - This is a byte address force to align to page boundaries.
- These bits are only reset by a POR and are not affected by other Reset sources.