[SOLVED] nRF52840_xxAA RAM code error when erasing

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  • [SOLVED] nRF52840_xxAA RAM code error when erasing

    I am currently using Jlink V634f on a custom board that uses the nRF52840_xxAA part.

    We are running into the following issue when trying to erase the device.


    Source Code

    1. J-Link>erase
    2. Erasing device (nRF52840_xxAA)...
    3. J-Link: Flash download: Total time needed: 40.869s (Prepare: 0.023s, Compare: 0.000s, Erase: 20.839s, Program: 0.000s, Verify: 0.000s, Restore: 20.005s)
    4. ****** Error: Timeout while erasing sectors, RAMCode did not respond in time. (PC = 0x00000000, CPSR = 0x00000000, LR = 0x01000003)!
    5. Erasing done.
    6. J-Link>
    This issue appears to be more prevalent when erasing a device after having programmed it and halted. For example when following the next steps we get an error about 80% of the time

    1. Start Jlink and connect to the device
    2. halt the device
    3. erase
    4 program
    5 reset and halt
    6 erase

    During step #6 the error shown above is displayed after the progress bar gets stuck ~98% of progress

    Trying to erase once more appears to complete successfully.

    has anyone experienced this issue? is this a known bug and are there any workarounds?

    Thanks
  • Hello,

    Thank you for your inquiry.
    We received your inquiry per e-mail as well. To make sure not information gets lost through multiple communication channels this thread will be closed now.

    Best regards,
    Nino
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