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14.2. Trigger inputs and outputs

This section describes the trigger inputs and outputs that are available to the CTI.

Table 14.1 shows the CTI inputs.

Table 14.1. Trigger inputs
CTI inputNameDescription
0DBGTRIGGER, pulsed

Pulsed on entry to debug state

1PMUIRQ[a]

PMU generated interrupt

2-

-

3--
4EXTOUT[0]

ETM trace unit external output

5EXTOUT[1]

ETM trace unit external output

6EXTOUT[2]

ETM trace unit external output

7EXTOUT[3]

ETM trace unit external output

[a] This signal is the same as nPMUIRQ with inverted polarity.


Table 14.2 shows the CTI outputs.

Table 14.2. Trigger outputs
CTI outputNameDescription
0EDBGRQ

Causes the processor to enter debug state

1DBGRESTARTCauses the processor to exit debug state
2CTIIRQ

CTI interrupt

3--
4EXTIN[0]

ETM trace unit external input

5EXTIN[1]

ETM trace unit external input

6EXTIN[2]

ETM trace unit external input

7EXTIN[3]

ETM trace unit external input


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