how many times can I modify UICR?

[frank zhang]

Hi
Here I have a question, how many times can I modify or programme UICR register by application or j-link tools?

Thanks Frank

[Jørgen Holmefjord]

Hi,

Writing to UICR registers are documented here.

Best regards,

Jørgen

[bjorn-spockeli]

THe flash of the nRFx IC has an endurance of 10000 erase/write cycles, see this page on Infocenter.