Address offset: 0xE38
This register holds the AO_APB_FILTERING configuration.
| Bit number | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID | D | C | B | A | |||||||||||||||||||||||||||||||
| Reset 0x00000055 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | |||
| ID | R/W | Field | Value ID | Value | Description | ||||||||||||||||||||||||||||||
| A |
RW |
ONLY_SEC_ACCESS_ALLOWED |
When this FW controlled field is set, the APB slave accepts only secure accesses |
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| B |
RW |
ONLY_SEC_ACCESS_ALLOWED_LOCK |
When this FW controlled field is set, the ONLY_SEC_ACCESS_ALLOWED field cannot be modified until the next PoR |
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| C |
RW |
ONLY_PRIV_ACCESS_ALLOWED |
When this FW controlled field is set, the APB slave accepts only privileged accesses |
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| D |
RW |
ONLY_PRIV_ACCESS_ALLOWED_LOCK |
When this FW controlled field is set, the APBC_ONLY_PRIV_ACCESS_ALLOWED field cannot be modified until the next PoR |
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