Stopped by vector catch HardFault FORCED BusFault IMPRECISERR

I am working with NRF52840 chip with SES 6.4. My application was initially developed for nrf52832 but ported to 52840 and stopped by vector catch in debug mode. I had no issue to build it though. And I did an experiment with blinky example to see if the issue persists. I got same issue. Please help me. Thanks. 

8103.blinky.zip

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  • Hello,

    I was not able to reproduce the fault with the project you uploaded. I also tested the hex file from your build (/blinky/pca10056/blank/ses/Output/Release/Exe/), and the LED toggled as expected. Do you see the LEDs toggling if you flash and reset without starting a debug session?

    This is probably not directly related to the issue you are facing now, but I recommend downgrading Segger Embedded Studio to version 5.x, as version 6.20 and later have known compatibility problems with the SDK. From the SDK release notes:

    The following toolchains/devices have been used for testing and verification:
     
     - ARM: MDK-ARM version 5.25   
     - GCC: GCC ARM Embedded 9.2020-q2.major
     - IAR: IAR Workbench 7.80.4
     - SES: SES 5.42a
    

    Best regards,

    Vidar

  • LED is not working at all with the blinky app and my app in normal and debug mode.

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