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11.2. TPIU functional description

There are two configurations of the TPIU:

  • A configuration that supports ITM debug trace.

  • A configuration that supports both ITM and ETM debug trace.

If your implementation requires no trace support then the TPIU might not be present.

Note

If your Cortex-M4 system uses the optional ETM component, the TPIU configuration supports both ITM and ETM debug trace. See the ETM-M4 Technical Reference Manual.