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Minimum requirements for Cortex-M4 profiling with TRACESWO

I need to do execution profiling on an STM32F405 (Cortex-M4). My firmware is built using MDK-ARM Professional 5.40. I have debug access via SWD + SWO; I don't have the available I/O to support ETM.

Debug adapters I currently have on hand are the STLINK/V2 and the Keil ULINK 2.

What I need to know: What are the minimum requirements for execution profiling with this processor and IDE? Is the ULINK 2 sufficient, or do I need a more expensive debug adapter?

It is surprisingly difficult to get an answer to this question from the available documentation. Plenty of sales talk, very little useful information.

Thanks,

Steve Hersey

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