3.5.34. External Output Event Registers, ETMEXTOUTEVRn

The ETMEXTOUTEVR characteristics are:


Defines the event that controls the corresponding external output.

Usage constraints

There are no usage constraints.


The number of external outputs:

  • is implementation defined,

  • is specified by ETMCCR bits [22:20]

  • can be zero.

See Configuration Code Register, ETMCCR.

Unimplemented ETMEXTOUTEVRs are RAZ/WI.


See the register summary in Table 3.3, and Reset behavior.

Figure 3.32 shows the ETMEXTOUTEVR bit assignments.

Figure 3.32. ETMEXTOUTEVR bit assignments

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Table 3.44 shows the ETMEXTOUTEVR bit assignments.

Table 3.44. ETMEXTOUTEVR bit assignments


Defined in ETM architecture versions




v1.0 and later

External output event

Each ETMEXTOUTEVR has the same bit assignments.

Using ETM event resources describes how you define an external output event.

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