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Case ID: 321989

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nrf52840 soft reset cause

katrindqaws over 1 year ago

hi

how i can get a log for why nrf52840 is reset when start advertising for bluetooth?

the reset register is 4

can i get more information from log?

how?

thank you

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simoiamma over 1 year ago +1

Hi katrindqawn, I had the same problem and it was caused by the high ramp up time delay of the high frequency external crystal. Have a look there: https://devzone.nordicsemi.com/f/nordic-q-a/107808/reset…
katrindqaws over 1 year ago in reply to simoiamma +1

thank you simoiamma I add this line before bt_enable() line but the problem has not been solved yet! my full code is copied from SDK samples: /** Copyright (c) 2018 Nordic Semiconductor ASA*…

0 katrindqaws over 1 year ago in reply to simoiamma

not exatly

buy it is done in PCBWAY
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0 simoiamma over 1 year ago in reply to katrindqaws

So, I really don't know what could be the problem. I'm having the same issue with the LFXO crystal. Some boards works and other don't. If I can get them to work I'll let you know.
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