B1.12 Trace ID Register

The TRCTRACEIDR sets the trace ID on the trace bus.

Usage constraints
In a CoreSight system, writing of reserved trace ID values, 0x00 and 0x70-0x7F, is unpredictable. This register must always be programmed as part of the trace unit initialization.
Only accepts writes when the trace unit is disabled.
Available in all configurations.
See the register summary in Table B1-1 ETM-M33 register summary and Table B1-2 General control and ID registers.

The following figure shows the TRCTRACEIDR bit assignments.

Figure B1-10 TRCTRACEIDR bit assignments
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The following table shows the TRCTRACEIDR bit assignments.

Table B1-20 TRCTRACEIDR bit assignments

Bits Name Function
[31:7] - res0.

Trace ID value. This provides the instruction trace ID.

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