How to determine/confirm Cortex-M CPU speed using Serial Wire Viewer !

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How to determine/confirm Cortex-M CPU speed using Serial Wire Viewer !

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Contributor IV

Hello

I devised an easy way to determine the CPU speed using ARM Serial Wire Viewer.

This works with any Kinetis or LPC Cortex-M3, M4 or M7.  Assume also Cortex-M23 or 33.  No Cortex-M0 (has no SWV)

I posted it here:  Application Note 297: Using Serial Wire Viewer to Confirm CPU Speed 

This uses eval version of Keil MDK and any ULINK or a Segger J-Link.

Tanks

Bob  Boys

ARM

1 Reply

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NXP Employee
NXP Employee

Hi Bob,

Thank you for your input :smileywink:

Have a great day,
Soledad

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