B.3.3 Formatter and Flush Control Register

The Formatter and Flush Control Register, TPIU_FFCR, controls the TPIU formatter.

Usage constraints
There are no usage constraints.
Available in all configurations.
See Table   B-1 TPIU registers.

The following figure shows the TPIU_FFCR bit assignments.

Figure B-4 TPIU_FFCR bit assignments
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The following table shows the TPIU_FFCR bit assignments.

Table B-4 TPIU_FFCR bit assignments

Bits Name Function
[31:9] - Reserved.
[8] TrigIn

This bit Reads-As-One (RAO), specifying that triggers are inserted when a trigger pin is asserted.

[7] - Reserved.
[6] FOnMan Flush on manual. Value can be:
0When the flush completes. Set to 0 on a reset of the TPIU.
1Generates a flush.
[5:2] - Reserved.
[1] EnFCont

Enable continuous formatting. Value can be:

0Continuous formatting disabled.
1Continuous formatting enabled.
[0] - Reserved.

The TPIU can output trace data in a Serial Wire Output (SWO) format. See B.2.2 Serial Wire Output format.


If TPIU_SPPR is set to select Trace Port Mode, the formatter is automatically enabled. If you then select one of the SWO modes, TPIU_FFCR reverts to its previously programmed value.
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