OTP[n]

nRF5340 Product Specification

Address offset: 0x100 + (n × 0x4)

One time programmable memory

Bit number 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ID B B B B B B B B B B B B B B B B A A A A A A A A A A A A A A A A
Reset 0xFFFFFFFF 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
ID R/W Field Value ID Value Description
A

RW1

LOWER

Lower half word

Can only be written to a non 0xFFFF value once.

B

RW1

UPPER

Upper half word

Can only be written to a non 0xFFFF value once.