nRF52833 - What does nWRITE = 2 mean?

[andy4]

Could you please explain for nRF52833, what nWRITE = 2 means?

infocenter.nordicsemi.com/.../nRF52833_PS_v1.2.pdf page 30 has

nWRITE = 2 (Number of times a 32-bit word can be written before erase)

But code that erases a page then writes to a single word 32 times by clearing 1 bit at a time seems to work.

[haakonsh]

But code that erases a page then writes to a single word 32 times by clearing 1 bit at a time seems to work.

 "seems to work" and guaranteed to work by the specification are two different things. 

If you write to a word more than twice before erasing there's a significant probability that you will encounter data corruption.