3.13.9. Formatter and Flush Status Register

The FFSR characteristics are:

Purpose

Indicates the current status of the formatter and flush features available in the TPIU.

Usage constraints

There are no usage constraints.

Configurations

This register is available in all configurations.

Attributes

See the register summary in Table 3.114.

Figure 3.115 shows the bit assignments.

Figure 3.115. FFSR bit assignments

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Table 3.123 shows the bit assignments.

Table 3.123. FFSR bit assignments

BitsNameFunction
[31:3]Reserved

-

[2]TCPresent

Indicates whether the TRACECTL pin is available for use.

0

TRACECTL pin not present.

1

TRACECTL pin present.

[1]FtStopped

The formatter has received a stop request signal and all trace data and post-amble is sent. Any additional trace data on the ATB interface is ignored and atreadys goes HIGH.

0

Formatter has not stopped.

1

Formatter has stopped.

[0]FlInProg

Flush in progress.

0

afvalids is LOW.

1

afvalids is HIGH.


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