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13.8.2. Status Register

The TRCSTATR characteristics are:

Purpose

Indicates the ETM trace unit status.

Usage constraints

There are no usage constraints.

Configurations

Available in all configurations.

Attributes

See the register summary in Table 13.3.

Figure 13.4 shows the TRCSTATR bit assignments.

Figure 13.4. TRCSTATR bit assignments

Figure 13.4. TRCSTATR bit assignments

Table 13.5 shows the TRCSTATR bit assignments.

Table 13.5. TRCSTATR bit assignments
BitsNameFunction
[31:2]-Reserved, res0.
[1]PMSTABLE

Indicates whether the ETM trace unit registers are stable and can be read:

0

The programmers model is not stable.

1

The programmers model is stable.

[0]IDLE

Idle status:

0

The ETM trace unit is not idle.

1

The ETM trace unit is idle.


The TRCSTATR can be accessed through the external debug interface, offset 0x00C.

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