C10.12 Cycle Count Control Register

The TRCCCCTLR characteristics are:

Purpose
Sets the threshold value for cycle counting.
Usage constraints
  • Accepts writes only when the trace unit is disabled.
  • Must be programmed if TRCCONFIGR.CCI==1.
  • Minimum value that can be programmed is defined in TRCIDR3.CCITMIN.
Configurations
Available in all configurations.
Attributes
See C10.1 ETM register summary.
Figure C10-11 TRCCCCTLR bit assignments
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[31:12]
Reserved, res0.
THRESHOLD, [11:0]
Instruction trace cycle count threshold.

The TRCCCCTLR can be accessed through the external debug interface, offset 0x038.

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