NRF52811-QCAA-R datasheet(54/444 Pages) NORDIC

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Power and clock management

5.3.9 Registers

Base address

Peripheral

Instance

Description

Configuration

0x40000000

POWER

Power control

For 24 kB RAM variant, only RAM[0].x to

RAM[2].x registers are in use.

Table 15: Instances

Offset

Description

TASKS_CONSTLAT

0x078

Enable Constant Latency mode

TASKS_LOWPWR

0x07C

Enable Low-power mode (variable latency)

EVENTS_POFWARN

0x108

Power failure warning

EVENTS_SLEEPENTER

0x114

CPU entered WFI/WFE sleep

EVENTS_SLEEPEXIT

0x118

CPU exited WFI/WFE sleep

INTENSET

0x304

Enable interrupt

INTENCLR

0x308

Disable interrupt

RESETREAS

0x400

Reset reason

SYSTEMOFF

0x500

System OFF register

POFCON

0x510

Power failure comparator configuration

GPREGRET

0x51C

General purpose retention register

GPREGRET2

0x520

General purpose retention register

DCDCEN

0x578

DC/DC enable register

RAM[0].POWER

0x900

RAM0 power control register. The RAM size will vary depending on product variant, and the

RAM0 register will only be present if the corresponding RAM AHB slave is present on the

device.

RAM[0].POWERSET

0x904

RAM0 power control set register

RAM[0].POWERCLR

0x908

RAM0 power control clear register

RAM[1].POWER

0x910

RAM1 power control register. The RAM size will vary depending on product variant, and the

RAM1 register will only be present if the corresponding RAM AHB slave is present on the

device.

RAM[1].POWERSET

0x914

RAM1 power control set register

RAM[1].POWERCLR

0x918

RAM1 power control clear register

RAM[2].POWER

0x920

RAM2 power control register. The RAM size will vary depending on product variant, and the

RAM2 register will only be present if the corresponding RAM AHB slave is present on the

device.

RAM[2].POWERSET

0x924

RAM2 power control set register

RAM[2].POWERCLR

0x928

RAM2 power control clear register

RAM[3].POWER

0x930

RAM3 power control register. The RAM size will vary depending on product variant, and the

RAM3 register will only be present if the corresponding RAM AHB slave is present on the

device.

RAM[3].POWERSET

0x934

RAM3 power control set register

RAM[3].POWERCLR

0x938

RAM3 power control clear register

RAM[4].POWER

0x940

RAM4 power control register. The RAM size will vary depending on product variant, and the

RAM4 register will only be present if the corresponding RAM AHB slave is present on the

device.

RAM[4].POWERSET

0x944

RAM4 power control set register

RAM[4].POWERCLR

0x948

RAM4 power control clear register

RAM[5].POWER

0x950

RAM5 power control register. The RAM size will vary depending on product variant, and the

RAM5 register will only be present if the corresponding RAM AHB slave is present on the

device.

RAM[5].POWERSET

0x954

RAM5 power control set register

RAM[5].POWERCLR

0x958

RAM5 power control clear register

4454_140 v1.0

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