Flash programming

nRF5340 Product Specification

Symbol Description Min. Typ. Max. Units
nWRITE

Number of times a 32-bit word can be written before erase

2
nENDURANCE

Erase cycles per page

10000
tWRITE

Time to write one 32-bit word

431 µs
tERASEPAGE

Time to erase one page

87.51 ms
tERASEALL

Time to erase all flash

1731 ms
tERASEPAGEPARTIAL,setup

Setup time for one partial erase

.. .. .. ms
1 Applies when HFXO is used. Timing varies according to HFINT accuracy when HFINT is used.