58.6.2 ICM Control Register
This register can only be written if the WPCREN bit is cleared in the ICM Write Protection Mode Register.
| Name: | ICM_CTRL |
| Offset: | 0x04 |
| Reset: | – |
| Property: | Write-only |
| 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 | |
| RMEN[3:0] | RMDIS[3:0] | ||||||||
| Access | W | W | W | W | W | W | W | W | |
| Reset | – | – | – | – | – | – | – | – | |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| REHASH[3:0] | SWRST | DISABLE | ENABLE | ||||||
| Access | W | W | W | W | W | W | W | ||
| Reset | – | – | – | – | – | – | – | ||
Bits 15:12 – RMEN[3:0] Region Monitoring Enable
Monitoring is activated by default.
| Value | Description |
|---|---|
| 0 | No effect |
| 1 | When bit RMEN[i] is set to one, the monitoring of region with identifier i is activated. |
Bits 11:8 – RMDIS[3:0] Region Monitoring Disable
| Value | Description |
|---|---|
| 0 | No effect |
| 1 | When bit RMDIS[i] is set to one, the monitoring of region with identifier i is disabled. |
Bits 7:4 – REHASH[3:0] Recompute Internal Hash
| Value | Description |
|---|---|
| 0 | No effect |
| 1 | When REHASH[i] is set to one, Region i digest is re-computed. This bit is only available when region monitoring is disabled. |
Bit 2 – SWRST Software Reset
| Value | Description |
|---|---|
| 0 | No effect |
| 1 | Resets the ICM. |
Bit 1 – DISABLE ICM Disable Register
| Value | Description |
|---|---|
| 0 | No effect |
| 1 | The ICM is disabled. If a region is active, this region is terminated. |
Bit 0 – ENABLE ICM Enable
| Value | Description |
|---|---|
| 0 | No effect |
| 1 | When set to one, the ICM is activated. |