Trace start/stop breakpoints are only for ETM/ETB trace. Not for SWO trace.
Trace start/stop breakpoints can be used with:
As of IAR Embedded Workbench for ARM version 6.60, there is a misleading error message "User error: Breakpoint type is only available when using J-Trace". It really means that you do not have any of the combinations (3) or (4). The error message has been improved in releases newer than version 6.60.
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