NRF52811-QCAA-R datasheet(58/444 Pages) NORDIC

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Power and clock management

System OFF register

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

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

Access

Field

Value ID

Value

Description

W SYSTEMOFF

Enable System OFF mode

Enter

Enable System OFF mode

5.3.9.10 POFCON

Address offset: 0x510

Power failure comparator configuration

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

B B B B 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

Access

Field

Value ID

Value

Description

RW POF

Enable or disable power failure comparator

Disabled

Disable

Enabled

Enable

RW THRESHOLD

Power failure comparator threshold setting

V17

Set threshold to 1.7 V

V18

Set threshold to 1.8 V

V19

Set threshold to 1.9 V

V20

Set threshold to 2.0 V

V21

Set threshold to 2.1 V

V22

Set threshold to 2.2 V

V23

Set threshold to 2.3 V

V24

Set threshold to 2.4 V

V25

Set threshold to 2.5 V

V26

Set threshold to 2.6 V

V27

Set threshold to 2.7 V

V28

Set threshold to 2.8 V

5.3.9.11 GPREGRET

Address offset: 0x51C

General purpose retention register

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 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

Access

Field

Value ID

Value

Description

RW GPREGRET

General purpose retention register

This register is a retained register

5.3.9.12 GPREGRET2

Address offset: 0x520

General purpose retention register

4454_140 v1.0

NRF52811-QCAA-R 데이터시트(PDF) 58 Page - Nordic Semiconductor

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