12.2. PTM options

Table 12.1 shows the options implemented in the Cortex-A15 PTM.

Table 12.1. Cortex-A15 PTM implementation options

ResourceImplemented, or number of instances
Number of address comparators pairs4
Context ID comparators1
VM ID comparator1
Embedded ICE watchpoint inputs0
External inputs4
External outputs2
Extended external inputs, PMUEVENT88
Extended external input selectors2
Instrumentation resources0
FIFOFULL supportedNo
Software access to registers?Yes
FIFO depth84 bytes
Trace outputSynchronous ATB interface
Timestamp size64 bits
Timestamp encodingNatural binary

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