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µVISION DEBUGGER: DEBUGGING STM32 DEVICES USING ETM


Information in this knowledgebase article applies to:

  • MDK-ARM Version 3.70 and later

SYMPTOM

With an MCBSTM32E or MCBSTM32C board, ETM debugging is sometimes erratic using a Signum JTAGJet-Trace adapter.

CAUSE

The TRACE_MODE option in the Debug Initialization File STM32DBG.INI is set for Asynchronous operation.

RESOLUTION

  1. Close the debugger.
  2. Change the TRACE_MODE option in the Debug Initialization File to Synchronous: TRACEDATA Size 4.
  3. Restart the debugger.

Last Reviewed: Tuesday, August 18, 2009


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