C10.43 Power Down Control Register

The TRCPDCR characteristics are:

Purpose
Request to the system power controller to keep the ETM trace unit powered up.
Usage constraints
There are no usage constraints.
Configurations
Available in all configurations.
Attributes
See C10.1 ETM register summary.
Figure C10-42 TRCPDCR bit assignments
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[31:4]
Reserved, res0.
PU, [3]

Powerup request, to request that power to the ETM trace unit and access to the trace registers is maintained:

0Power not requested.
1Power requested.

This bit is reset to 0 on a trace unit reset.

[2:0]
Reserved, res0.

The TRCPDCR can be accessed through the external debug interface, offset 0x310.

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