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Active Watchdog issues

04-Jun-2024

When an active External Watchdog / System Basis Chip (SBC) or Internal CPU Watchdog is not serviced properly, it can cause problems such as:

  • Unintended reset during FLASH programming or mass erase operation
  • Error 258: Failed to initialize debug session
  • BlueBox loses control over the CPU after the application is run
  • UMI Error 39 (valid for Infineon TriCore, Renesas RH850, and ARM Cortex devices)
  • Error 88: Error during memory initialization (Infineon TriCore)
  • ...


Possible solutions:

  • Disable External Watchdog on your Target
  • Disable External or Internal Watchdog via scripts
  • Disable Internal Watchdog at initialization via winIDEA

Check Watchdog How-to for details.

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