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Home > Programmers model > css600_ahbap introduction > Register descriptions > Device Architecture Register, DEVARCH |
Identifies the architect and architecture of a CoreSight component. The architect might differ from the designer of a component, for example Arm defines the architecture but another company designs and implements the component.
The DEVARCH register characteristics are:
Offset |
|
Type | Read-only |
Reset |
|
Width | 32 |
The following figure shows the bit assignments.
The following table shows the bit assignments.
Table 9-73 DEVARCH register bit assignments
Bits | Reset value | Name | Function |
---|---|---|---|
[31:21] | 0b01000111011 |
ARCHITECT | Returns |
[20] | 0b1 |
PRESENT | Returns 1, indicating that the DEVARCH register is present. |
[19:16] | 0b0000 |
REVISION | Architecture revision. Returns the revision of the architecture that the ARCHID field specifies. |
[15:0] | 0xA17 |
ARCHID | Architecture ID. Returns |