POFCON (Retained)

nRF5340 Product Specification

Address offset: 0x510

Power-fail comparator configuration

This register is retained.

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 C C C C 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
ID R/W Field Value ID Value Description
A

RW

POF

Enable or disable power-fail comparator

Disabled

0

Disable

Enabled

1

Enable

B

RW

THRESHOLD

Power-fail comparator threshold setting

V19

6

Set threshold to 1.9 V

V20

7

Set threshold to 2.0 V

V21

8

Set threshold to 2.1 V

V22

9

Set threshold to 2.2 V

V23

10

Set threshold to 2.3 V

V24

11

Set threshold to 2.4 V

V25

12

Set threshold to 2.5 V

V26

13

Set threshold to 2.6 V

V27

14

Set threshold to 2.7 V

V28

15

Set threshold to 2.8 V

C

RW

THRESHOLDVDDH

Power-fail comparator threshold setting for voltage supply on VDDH

V27

0

Set threshold to 2.7 V

V28

1

Set threshold to 2.8 V

V29

2

Set threshold to 2.9 V

V30

3

Set threshold to 3.0 V

V31

4

Set threshold to 3.1 V

V32

5

Set threshold to 3.2 V

V33

6

Set threshold to 3.3 V

V34

7

Set threshold to 3.4 V

V35

8

Set threshold to 3.5 V

V36

9

Set threshold to 3.6 V

V37

10

Set threshold to 3.7 V

V38

11

Set threshold to 3.8 V

V39

12

Set threshold to 3.9 V

V40

13

Set threshold to 4.0 V

V41

14

Set threshold to 4.1 V

V42

15

Set threshold to 4.2 V