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Counter Value Registers 0-1

The TRCCNTVRn characteristics are:


Contains the current counter value.

Usage constraints
  • Can be written only when the ETM trace unit is disabled.

  • The count value is stable only when TRCSTATR.PMSTABLE==1.

  • If software uses counter <n>, then it must write to this register to set the initial counter value.


Available in all configurations.


See the register summary in Table 13.3.

Figure 13.25 shows the TRCCNTVRn bit assignments.

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Table 13.26 shows the TRCCNTVRn bit assignments.

Table 13.26. TRCCNTVRn bit assignments
Bits Value Function
[31:16] - Reserved, res0.
[15:0] VALUE Contains the current counter value.

The TRCCNTVRn registers can be accessed through the internal memory-mapped interface and the external debug interface, offsets:





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