How to measure CPU Speed

From SEGGER Wiki
Revision as of 14:30, 31 May 2019 by Rolf (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

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