C3.1 DWT functional description

A Reduced DWT contains two comparators (DWT_COMP0 to DWT_COMP1) and a Full DWT contains four comparators (DWT_COMP0 to DWT_COMP3). These comparators support the following features:

The DWT contains counters for:

You can configure the DWT to generate PC samples at defined intervals, and to generate interrupt event information.

The DWT provides periodic requests for protocol synchronization to the ITM and the TPIU, if your implementation includes the Cortex®‑M33 TPIU.

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