C9.7 ROM Table Peripheral Identification Register 1
The ROMPIDR1 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 on page C1-579 describes the condition
codes.
Configurations
The ROMPIDR1 is in the Debug power domain.
Attributes
See C9.3 ROM table register summary on page C9-672.
RES0
31 0
34
Part_1
78
DES_0
Figure C9-3 ROMPIDR1 bit assignments
[31:8]
Reserved, RES0.
DES_0, [7:4]
0xB Least significant nibble of JEP106 ID code. For Arm Limited.
Part_1, [3:0]
0x4 Most significant nibble of the ROM table part number.
The ROMPIDR1 can be accessed through the external debug interface, offset 0xFE4.
C9 ROM table
C9.7 ROM Table Peripheral Identification Register 1
100236_0100_00_en Copyright © 2015–2017, 2019 Arm Limited or its affiliates. All rights
reserved.
C9-679
Non-Confidential
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