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Arm Cortex-A55 Core Technical Reference Manual : TRCDEVTYPE, Device Type Register

TRCDEVTYPE, Device Type Register

The TRCDEVTYPE indicates the type of the component.

Bit field descriptions

Figure D8-23 TRCDEVTYPE bit assignments


RES0, [31:8]
res0Reserved.
SUB, [7:4]

The sub-type of the component:

0b0001Core trace.
MAJOR, [3:0]

The main type of the component:

0b0011Trace source.

Bit fields and details not provided in this description are architecturally defined. See the Arm® Architecture Reference Manual Armv8, for Armv8-A architecture profile.

The TRCDEVTYPE can be accessed through the external debug interface, offset 0xFCC.

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