20.3.4 Security Configuration Register
| Name: | SFR_SECURE |
| Offset: | 0x28 |
| Reset: | 0x00000000 |
| Property: | Read/Write |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| Access | |||||||||
| Reset |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| Access | |||||||||
| Reset |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| FUSE | |||||||||
| Access | R/W | ||||||||
| Reset | 0 |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| ROM | |||||||||
| Access | R/W | ||||||||
| Reset | 0 |
Bit 8 – FUSE Disable Access to Fuse Controller
This bit is writable once only. When the Fuse Controller is secured, only a reset signal can clear this bit.
| Value | Description |
|---|---|
| 0 | Fuse Controller is enabled. |
| 1 | Fuse Controller is disabled. |
Bit 0 – ROM Disable Access to ROM Code
This bit is writable once only. When the ROM is secured, only a reset signal can clear this bit.
| Value | Description |
|---|---|
| 0 | ROM is enabled. |
| 1 | ROM is disabled. |