nrf52840DK QSPI Flash memory

[saiff]

Hi, i just working with the nrf52840DK and i wanted to try the "SPI Flash Sample" but no matter what i try i keep gerring the same error :

mx25r6435f@0: device not ready.

is this a commun error or what should i do?

thanks in advance.

[Vidar Berg]

Hi,

To verify that the HW is working, please try to erase the QSPI flash through nrfjprog using the following command:

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$ nrfjprog --qspieraseall -f nrf52

XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

$ nrfjprog --qspieraseall -f nrf52

Best regards,

Vidar

[saiff]

idk what happened but it's working now, thanks a lot