The FFSR Register characteristics are:
Indicates the status of the Formatter and Flush request.
Present in all configurations.
Figure 3.18 shows the FFSR Register bit assignments.
Table 3.19 shows the FFSR Register bit assignments.
This bit behaves in the same way as the
FtEmpty bit in the STS Register,
The FtStopped bit is deprecated and is present in this register to support backwards-compatibility with earlier versions of the ETB.
This bit indicates whether the TMC is currently processing a flush on the ATB slave port. This bit reflects the status of the AFVALIDS output.
In the ETB or ETR configurations, the flush initiation is controlled by the flush-control bits in the FFCR Register. In the ETF configuration, the flush request could additionally be from the ATB master port.