16.6.3 Pre-boot MBIST User Options Register
| Name: | FRCFGMBIST |
| Offset: | 0x3408 |
| Reset: | 0x0A00_3408 |
| Property: | Read 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 | |
| Access | |||||||||
| Reset |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| MOBB[1:0] | MOBH[1:0] | ||||||||
| Access | R | R | R | R | |||||
| Reset | 1 | 1 | 1 | 1 | |||||
Bits 5:4 – MOBB[1:0] MBIST On Boot Enable for BACKUP/HIBERNATE Retaining Memory Groups
| Value | Name | Description |
|---|---|---|
| 11 | DISABLED | MOB Disabled |
| 10 | ENABLED_POR | MOB runs only after a POR |
| 01 | ENABLED_ANY | MOB runs after any non-BACKUP/HIBERNATE exit reset |
| 00 | Reserved | - |
Bits 3:2 – MOBH[1:0] MBIST On Boot Enable for HIBERNATE Only Retaining Memory Groups
| Value | Name | Description |
|---|---|---|
| 11 | DISABLED | MOB Disabled |
| 10 | ENABLED_POR | MOB runs only after a POR |
| 01 | ENABLED_ANY | MOB runs after any non-BACKUP/HIBERNATE exit reset |
| 00 | Reserved | - |