B1.27 Power Down Control Register

The TRCPDCR request to the system power controller to keep ETM-M33 powered up.

Usage constraints
There are no usage constraints.
Available in all configurations.
See the register summary in Table B1-1 ETM-M33 register summary and Table B1-8 Power control registers.

The following figure shows the TRCPDCR bit assignments.

Figure B1-30 TRCPDCR bit assignments
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The following table shows the TRCPDCR bit assignments.

Table B1-40 TRCPDCR bit assignments

Bits Name Function
[31:4] - res0.
[3] PU

Power up request, to request that power to ETM-M33 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] - res0.
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