Difference between revisions of "How to measure CPU Speed"

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* Click measure
  
* Click measure
 
[[File:SWOViewer_GUI_Conf.png|thumb|Measure SWO clock|none]]
  
[[File:SWOViewer_GUI_Conf.png|thumb|Measure SWO clock|none]]
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[[Category:Debug Probes - J-Link & J-Trace]]
  

Latest revision as of 15:30, 31 May 2019

Measuring CPU speed

If the target CPU speed is not known it can be measured with J-Link Commander or J-Link SWO Viewer.

Measuring with J-Link Commander

  • Open J-Link Commander
  • Connect to your device
  • Execute "testcspeed <RamAddress>"
Measure CPU clock in J-Link Commander

Measuring with J-Link SWO Viewer

  • Open J-Link SWO Viewer
  • Select target device
  • Click measure
Measure SWO clock
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