8.13.6.23 PUF Write Protection Status Register
| Name: | PUF_WPSR |
| Offset: | 0x1E8 |
| Reset: | 0x00000000 |
| Property: | Read-only |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| SWETYP[1:0] | |||||||||
| Access | R | R | |||||||
| Reset | 0 | 0 | |||||||
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| WPSRC[15:8] | |||||||||
| Access | R | R | R | R | R | R | R | R | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| WPSRC[7:0] | |||||||||
| Access | R | R | R | R | R | R | R | R | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| SWE | WPVS | ||||||||
| Access | R | R | |||||||
| Reset | 0 | 0 |
Bits 25:24 – SWETYP[1:0] Software Error Type (cleared on read)
| Value | Name | Description |
|---|---|---|
| 0 | READ_WO | A write-only register has been read. |
| 1 | WRITE_RO | A write access has been performed on a read-only register. |
| 2 | UNDEF_RW | Access to an undefined address. |
| 3 | BAD_DXR | Unexpected access to PUF_DIR/PUF_DOR. |
Bits 23:8 – WPSRC[15:0] Write Protection Source
When WPVS=1, indicates the register address offset at which a write access has been attempted.
When SWE=1 and WPVS=0, indicates the offset at which the incorrect access has been performed.
Bit 3 – SWE Software Control Error (cleared on read)
| Value | Description |
|---|---|
| 0 | No software error has occurred since the last read of PUF_WPSR. |
| 1 | A software error has occurred since the last read of PUF_WPSR. The field SWETYP details the type of error. The associated incorrect software access is reported in the field WPSRC (if WPVS=0). |
Bit 0 – WPVS Write Protection Violation Status (cleared on read)
| Value | Description |
|---|---|
| 0 | No write protection violation has occurred since the last read of PUF_WPSR. |
| 1 | Violation of a write protection (PUF_WPMR.WPEN=1 or WPITEN=1) has occurred since the last read of PUF_WPSR. |