C8.10 ROM Table Peripheral Identification Register 4

The ROMPIDR4 characteristics are:

Purpose
Provides information to identify an external debug component.
Usage constraints

This register is accessible as follows:

Off DLK OSLK EDAD SLK Default
- - - - - RO

C1.4 External access permissions to debug registers describes the condition codes.

Configurations
The ROMPIDR4 is in the Debug power domain.
Attributes
See C8.3 ROM table register summary.
Figure C8-6 ROMPIDR4 bit assignments
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[31:8]

Reserved, res0.

Size, [7:4]
0x0Size of the component. Log2 the number of 4KB pages from the start of the component to the end of the component ID registers.
DES_2, [3:0]
0x4Designer, JEP106 continuation code, least significant nibble. For ARM Limited.

The ROMPIDR4 can be accessed through the external debug interface, offset 0xFD0.

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