NRF9160-SICA-R7 datasheet(280/400 Pages) NORDIC

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Peripherals

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

C B A

Reset 0x00000017

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 1 0 1 1 1

R/W

Field

Value ID

Value

Description

Disable

Block read operation from RAM region n

SECATTR

Security attribute for RAM region n

Non_Secure

RAM region n security attribute is non-secure

Secure

RAM region n security attribute is secure

LOCK

Unlocked

This register can be updated

Locked

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

6.15.9.22 PERIPHID[n].PERM (n=0..66)

Address offset: 0x800 + (n × 0x4)

List capabilities and access permissions for the peripheral with ID n

Note: Reset values are unique per peripheral instantation. Please refer to the peripheral

instantiation table. Entries not listed in the instantiation table are undefined.

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

D C B B A A

Reset 0x00000012

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 1 0 0 1 0

R/W

Field

Value ID

Value

Description

SECUREMAPPING

Define configuration capabilities for TrustZone Cortex-M secure

attribute

NonSecure

This peripheral is always accessible as a non-secure peripheral

Secure

This peripheral is always accessible as a secure peripheral

UserSelectable

Non-secure or secure attribute for this peripheral is defined by the

PERIPHID[n].PERM register

Split

This peripheral implements the split security mechanism. Non-

secure or secure attribute for this peripheral is defined by the

PERIPHID[n].PERM register.

DMA

Indicate if the peripheral has DMA capabilities and if DMA transfer can

be assigned to a different security attribute than the peripheral itself

NoDMA

Peripheral has no DMA capability

NoSeparateAttribute

Peripheral has DMA and DMA transfers always have the same security

attribute as assigned to the peripheral

SeparateAttribute

Peripheral has DMA and DMA transfers can have a different security

attribute than the one assigned to the peripheral

SECATTR

Peripheral security mapping

Note: This bit has effect only if

PERIPHID[n].PERM.SECUREMAPPING reads as

UserSelectable or Split

Secure

Peripheral is mapped in secure peripheral address space

NonSecure

If SECUREMAPPING == UserSelectable: Peripheral is mapped in non-

secure peripheral address space.

If SECUREMAPPING == Split: Peripheral is mapped in non-secure and

secure peripheral address space.

4418_1315 v2.0

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