B1.9 Global Timestamp Control Register

The TRCTSCTLR controls the insertion of global timestamps into the trace stream. A timestamp is always inserted into the instruction trace stream.

Usage constraints
Only accepts writes when the trace unit is disabled.
This register must always be programmed as part of the trace unit initialization.
Configurations
Available in all configurations.
Attributes
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 TRCTSCTLR bit assignments.

Figure B1-7 TRCTSCTLR bit assignments
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The following table shows the TRCTSCTLR bit assignments.

Table B1-17 TRCTSCTLR bit assignments

Bits Name Function
[31:8] - res0.
[7:0] EVENT

An event selector. When the selected event is triggered, the trace unit inserts a global timestamp into the trace streams.

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