3.5.7. Power-Down Control Register

The ETMPDCR characteristics are:

Purpose

Indicates when the ETM is used on different domains, the status of the trace registers domain must be on.

Usage constraints

Default ETM single domain.

Configurations

This register is only useful when the ETM is used in multiple domain.

Attributes

See the register summary in Table 3-1 on page 3-5 and Table 3-3 on page 3-10.

Figure 3.7 shows the ETMPDCR bit assignments.

Figure 3.7. ETMPDCR bit assignments

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Table 3.14 shows the ETMPDCR bit assignments.

Table 3.14.  ETMPDCR bit assignments

BitsNameDescription
[31:4]-Reserved, RAZ.
[3]Trace power enableWhen HIGH, power to the power domain containing the trace registers must be provided.
[2:0]-Reserved, RAZ.

Note

The trace registers power domain is always on because it is in a single domain by default.

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