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Senior III
January 12, 2026
Solved

DWT timing question

P-NUCLEO-WB55

Just a sanity check really.

I'm using the DWT unit to time a chunk of code, am I right that each tick is at 1/32MHz?

TDK
TDKBest answer
January 12, 2026

The DWY CYCCNT tick rate will be the same as the core clock. By default, it is 32 MHz.

TDK_0-1768225923465.png

 

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1 reply

TDK
TDKBest answer
January 12, 2026

The DWY CYCCNT tick rate will be the same as the core clock. By default, it is 32 MHz.

TDK_0-1768225923465.png

 

"If you feel a post has answered your question, please click ""Accept as Solution""."