ARM Cortex-M3 Guía de usuario Pagina 94

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Embedded Trace Macrocell
ARM DDI 0337I Copyright © 2005-2008, 2010 ARM Limited. All rights reserved. 10-8
ID072410 Non-Confidential
10.2.9 Operation
ETM-M3 implements version 3.5 of the ARM Embedded Trace Macrocell protocol.
Table 10-5 Trigger output connections
Trigger bit
Destination
signal
Destination
device
Comments
[7] User defined - -
[6] User defined - -
[5] ETMEXTIN[1] ETM Compulsory if ETM is present.
[4] ETMEXTIN[0] ETM Compulsory if ETM is present.
[3] INTISR[y] NVIC Recommended if an ETB is present. If multiple cores share a
single ETB, you must only connect to the CTI of one of the cores.
[2] INTISR[x] NVIC Compulsory. Any interrupt can be used.
[1] User defined - -
[0] EDBGRQ Core Compulsory.
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