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Cortex-A53 CTM

The CoreSight CTI channel signals from all the cores are combined using a Cross Trigger Matrix (CTM) block so that a single cross trigger channel interface is presented in the Cortex-A53 processor. This module can combine up to four internal channel interfaces corresponding to each core along with one external channel interface.

In the Cortex-A53 processor CTM, the external channel output is driven by the OR output of all internal channel outputs. Each internal channel input is driven by the OR output of internal channel outputs of all other CTIs in addition to the external channel input.

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