Difference between revisions of "EFM32"

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(SWO)
(SWO)
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Auto SWO speed calculation of J-Link does not work for the Silicon Labs EFM32 series devices.
 
Auto SWO speed calculation of J-Link does not work for the Silicon Labs EFM32 series devices.
   
Normal SWO Speed calculation: <CPUFreq> / n
+
*Normal SWO Speed calculation: <CPUFreq> / n
EFM32 specific:Chip-internally wired to a fixed 14 MHz clock (AUXHFRCO)
+
*EFM32 specific:Chip-internally wired to a fixed 14 MHz clock (AUXHFRCO)
   
 
For utilities like J-Link SWOViewer or similar:
 
For utilities like J-Link SWOViewer or similar:

Revision as of 17:00, 21 July 2017

Contents

This article describes device specifics of the Silicon Labs EFM32 series devices

SWO

Auto SWO speed calculation of J-Link does not work for the Silicon Labs EFM32 series devices.

  • Normal SWO Speed calculation: <CPUFreq> / n
  • EFM32 specific:Chip-internally wired to a fixed 14 MHz clock (AUXHFRCO)

For utilities like J-Link SWOViewer or similar: Select 14 MHz as CPU speed (no matter what the CPU is really running at) to make the normal calculation working