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Global Timestamp Control Register

The TRCTSCTLR characteristics are:


Controls the insertion of global timestamps in the trace streams. When the selected event is triggered, the trace unit inserts a global timestamp into the trace streams. The event is selected from one of the Resource Selectors.

Usage constraints
  • Accepts writes only when the trace unit is disabled.

  • Must be programmed if TRCCONFIGR.TS==1.


Available in all configurations.


TRCTSCTLR is a 32-bit RW trace register.

The register is set to an unknown value on a trace unit reset. See also Table 13.3.

Figure 13.11 shows the TRCTSCTLR bit assignments:

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Table 13.12 shows the TRCTSCTLR bit assignments:

Table 13.12. TRCTSCTLR bit assignments
Bits Name Function
[31:8] - Reserved, res0
[7] TYPE Single or combined resource selector
[6:4] - Reserved
[3:1] SEL Identifies the resource selector to use

The TRCTSCTLR can be accessed through the internal memory-mapped interface and the external debug interface, offset 0x030.

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