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13.8.11. Cycle Count Control Register

The TRCCCCTLR characteristics are:


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.


Available in all configurations.


See the register summary in Table 13.3.

Figure 13.13 shows the TRCCCCTLR bit assignments.

Figure 13.13. TRCCCCTLR bit assignments

Figure 13.13. TRCCCCTLR bit assignments

Table 13.14 shows the TRCCCCTLR bit assignments.

Table 13.14. TRCCCCTLR bit assignments
[31:12]-Reserved, res0.
[11:0]THRESHOLDInstruction trace cycle count threshold.

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