Debug support (DBG) RM0453
1398/1450 RM0453 Rev 5
38.11.6 TPIU formatter and flush control register (TPIU_FFCR)
Address offset: 0x304
Reset value: 0x0000 0102
Bit 2 TCPRESENT: indicates whether the optional TRACECTL output pin is available for use
0: TRACECTL pin is not present in this device.
Bit 1 FTSTOPPED: stop request signal received
The formatter received a stop request signal and all trace data and post-amble is sent. Any
additional trace data on the ATB interface is ignored.
0: Formatter not stopped
1: Formatter stopped
Bit 0 FLINPROG: flush in progress
This bit indicates whether a flush on the ATB slave port is in progress and reflects the status
of the AFVALIDS output. A flush can be initiated by the flush control bits in the TPIU_FFCR
register.
0: No flush in progress
1: Flush in progress
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res.
1514131211109876543210
Res. Res. Res. Res. Res. Res. Res. TRIGIN Res. Res. Res. Res. Res. Res.
ENFCO
NT
Res.
rrw
Bits 31:9 Reserved, must be kept at reset value.
Bit 8 TRIGIN: trigger on trigger in
1: Indicates a trigger in the trace stream when the TRIGIN input is asserted.
Bits 7:2 Reserved, must be kept at reset value.
Bit 1 ENFCONT: continuous formatting enable
Setting this bit to 0 in SWO mode bypasses the formatter and only ITM/DWT trace is output.
0: Continuous formatting disabled
1: Continuous formatting enabled
Bit 0 Reserved, must be kept at reset value.
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