14.11.2 STATUSA Register
| Symbol | Description | Symbol | Description | Symbol | Description |
|---|---|---|---|---|---|
| R | Readable bit | HC | Cleared by Hardware | (Grey cell) | Unimplemented |
| W | Writable bit | HS | Set by Hardware | X | Bit is unknown at Reset |
| K | Write to clear | S | Software settable bit | — | — |
| Name: | STATUSA |
| Offset: | 0x0004 |
| Reset: | 0x00000000 |
| Property: | PAC Write-Protection |
| 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 | |
| NBRG[7:0] | |||||||||
| Access | cfg/R | cfg/R | cfg/R | cfg/R | cfg/R | cfg/R | cfg/R | cfg/R | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| WLCK | ENABLE | ||||||||
| Access | R | R | |||||||
| Reset | 0 | 0 |
Bits 15:8 – NBRG[7:0] Number of IDAU Regions
Indicates the number of IDAU Regions.
The Region register group composed of RCTRL, RSTATUS[A,B,C] is repeated NBRG+1 times.
Region0 is always present and always of MR_INVALID type.
Regions1 to NBRG configuration and status registers are accessible through the IDAU Region register groups.
Bit 1 – WLCK Write Lock
| Value | Description |
|---|---|
| 0 | The module is not Write-protected. |
| 1 | The module is Write-protected until next reset, writes are discarded and reported as PAC errors. |
Bit 0 – ENABLE Enable
| Value | Description |
|---|---|
| 0 | The module is disabled, all regions are considered exempt from security except those configured as valid when disabled (refer to the IDAU_MAIN_REGIONS_MAP parameter). |
| 1 | The module is enabled, dynamic configuration is applied to the system. |