NRF9160-SICA-R7 datasheet(276/400 Pages) NORDIC

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Peripherals

6.15.9.11 EXTDOMAIN[n].PERM (n=0..0)

Address offset: 0x440 + (n × 0x4)

Access for bus access generated from the external domain n

List capabilities of the external domain n

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

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

R/W

Field

Value ID

Value

Description

SECUREMAPPING

Define configuration capabilities for TrustZone Cortex-M secure

attribute

Note: This does not affect DPPI in the external domain

NonSecure

The bus access from this external domain always have the non-secure

attribute set

Secure

The bus access from this external domain always have the secure

attribute set

UserSelectable

Non-secure or secure attribute for bus access from this domain is

defined by the EXTDOMAIN[n].PERM register

SECATTR

Peripheral security mapping

Note: This bit has effect only if

EXTDOMAIN[n].PERM.SECUREMAPPING reads as

UserSelectable

NonSecure

Bus accesses from this domain have the non-secure attribute set

Secure

Bus accesses from this domain have secure attribute set

LOCK

Unlocked

This register can be updated

Locked

The content of this register can't be changed until the next reset

6.15.9.12 DPPI[n].PERM (n=0..0)

Address offset: 0x480 + (n × 0x8)

Select between secure and non-secure attribute for the DPPI channels.

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

P O N M L K J I H G F E D C B A

Reset 0x0000FFFF

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

R/W

Field

Value ID

Value

Description

A-P RW

CHANNEL[i] (i=0..15)

Select secure attribute.

Secure

Channeli has its secure attribute set

NonSecure

Channeli has its non-secure attribute set

6.15.9.13 DPPI[n].LOCK (n=0..0)

Address offset: 0x484 + (n × 0x8)

Prevent further modification of the corresponding PERM register

4418_1315 v2.0

276

NRF9160-SICA-R7 Datasheet(PDF) 276 Page - Nordic Semiconductor

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