Address offset: 0xFEC
Peripheral ID3 Register
The PIDR3 register is part of the set of peripheral identification registers. It contains the REVAND and CMOD fields.
| 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 | B | B | B | B | A | A | A | A | |||||||||||||||||||||||||||
| Reset 0x00000000 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||
| ID | R/W | Field | Value ID | Value | Description | ||||||||||||||||||||||||||||||
| A |
R |
CMOD |
Customer Modified. Indicates whether the customer has modified the behavior of the component. In most cases, this field is 0b0000. Customers change this value when they make authorized modifications to this component. |
||||||||||||||||||||||||||||||||
|
Unmodified |
0 |
Indicates that the customer has not modified this component. |
|||||||||||||||||||||||||||||||||
| B |
R |
REVAND |
Indicates minor errata fixes specific to the revision of the component being used, for example metal fixes after implementation. In most cases, this field is 0b0000. Arm recommends that the component designers ensure that a metal fix can change this field if required, for example, by driving it from registers that reset to 0b0000. |
||||||||||||||||||||||||||||||||
|
NoErrata |
0 |
Indicates that there are no errata fixes to this component. |
|||||||||||||||||||||||||||||||||