ARM Cortex-M3

Embedded Trace Macrocell Interface
ARM DDI 0337G Copyright © 2005-2008 ARM Limited. All rights reserved. 15-5
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ETMISTALL Output No qualifier Indicates that the last instruction signalled by the core has
not yet entered execute. If ETMICANCEL is asserted
with ETMISTALL, it indicates that the stalled
instruction did not execute, and the previous instruction
was cancelled.
ETMTRIGGER[3:0] Output No qualifier Output trigger from DWT. One bit for each of the four
DWT comparators.
ETMTRIGINOTD[3:0] Output No qualifier Output indicates if the ETM is triggered on an instruction
or data match.
Table 15-1 ETM interface ports (continued)
Port name Direction Qualified by Description