SECUREAPPROTECT

nRF5340 Product Specification

Address offset: 0x01C

Secure access port protection

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 A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A
Reset 0x00000000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
ID R/W Field Value ID Value Description
A

RW

PALL

Blocks debugger read/write access to all secure CPU registers and secure memory mapped addresses.

Using any value except Unprotected will lead to the protection being enabled.

Bits with value '1' can be written to '0'. Bits with value '0' cannot be written to '1'.

Unprotected

0x50FA50FA

Unprotected

Protected

0x00000000

Protected