14.6.5
Cross trigger interface
Trigger bit
Source signal
[7]
ETMTRIGOUT
[6]
ETMTRIGGER[2]
[5]
ETMTRIGGER[1]
[4]
ETMTRIGGER[0]
[3]
ACQCOMP
[2]
FULL
[1]
User Defined
[0]
DBGACK
ARM DDI 0337G
Unrestricted Access
Resource type, bits [6:4]
b010
b101
b110
b110
Table 14-12 and Table 14-13 list the recommended Cross Trigger Interface (CTI)
connections for Cortex-M3 systems.
Source device
ETM
DWT
DWT
DWT
ETB
ETB
-
Core
Trigger bit
Source signal
[7]
User defined
[6]
User defined
[5]
ETMEXTIN[1]
Copyright © 2005-2008 ARM Limited. All rights reserved.
Table 14-11 Resource identification encoding
Index range, bits [3:0]
0-3
15
0-1
15
Comments
Recommended if ETM is present.
Recommended.
Recommended.
Recommended.
See Full.
Recommended if an ETB is present. If a single ETB is shared
between multiple cores, only connect to the CTI of one of the
cores.
-
Compulsory.
Table 14-13 Trigger output connections
Source device
-
-
ETM
Non-Confidential
Embedded Trace Macrocell
Description of resource type
DWT Comparator inputs (0-3)
Trace Start/Stop resource
ExtIn (0-1)
HardWired (always True)
Table 14-12 Input connections
Comments
-
-
Compulsory if ETM is present.
14-23