Figure 17-1 Tpiu Block Diagram (Non-Etm Version) - ARM Cortex-M3 Technical Reference Manual

CLK Domain
ITM
ATB
Slave
Port
APB
Slave
Port
ARM DDI 0337G
ATB Asynchronous
Interface FIFO
APB
Interface
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Trace Out
Formatter
(serializer)

Figure 17-1 TPIU block diagram (non-ETM version)

Trace Port Interface Unit
TRACECLKIN Domain
TRACECLKIN
TRACECLK
TRACEDATA
[3:0]
TRACESWO
17-3