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C11.70 ETM Peripheral Identification Register 4
The TRCPIDR4 characteristics are:
Purpose
Provides information to identify a trace component.
Usage constraints
Only bits[7:0] are valid.
Accessible only from the external debug interface, offset 0xFD0.
Configurations
Available in all implementations.
Attributes
TRCPIDR4 is a 32-bit RO management register.
See C11.1 ETM register summary on page C11-733.
RES0
31 0
34
DES_2
78
Size
Figure C11-67 TRCPIDR4 bit assignments
[31:8]
Reserved, RES0.
Size, [7:4]
0x0 Size 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]
0x4 Arm Limited. This is bits[3:0] of the JEP106 continuation code.
C11 ETM registers
C11.70 ETM Peripheral Identification Register 4
100236_0100_00_en Copyright © 2015–2017, 2019 Arm Limited or its affiliates. All rights
reserved.
C11-818
Non-Confidential

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