RESETREAS

nRF5340 Product Specification

Address offset: 0x400

Reset reason

Unless cleared, the RESETREAS register will be cumulative. A field is cleared by writing 1 to it. Multiple fields can be cleared at the same time by writing a value with several of the fields set to 1.

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

RESETPIN

Reset from pin reset detected

NotDetected

0

Not detected

Detected

1

Detected
B

RW

DOG0

Reset from application watchdog timer 0 detected

NotDetected

0

Not detected

Detected

1

Detected
C

RW

CTRLAP

Reset from application CTRL-AP detected

NotDetected

0

Not detected

Detected

1

Detected
D

RW

SREQ

Reset from application soft reset detected

NotDetected

0

Not detected

Detected

1

Detected
E

RW

LOCKUP

Reset from application CPU lockup detected

NotDetected

0

Not detected

Detected

1

Detected
F

RW

OFF

Reset due to wakeup from System OFF mode when wakeup is triggered by DETECT signal from GPIO

NotDetected

0

Not detected

Detected

1

Detected
G

RW

LPCOMP

Reset due to wakeup from System OFF mode when wakeup is triggered by ANADETECT signal from LPCOMP

NotDetected

0

Not detected

Detected

1

Detected
H

RW

DIF

Reset due to wakeup from System OFF mode when wakeup is triggered by entering the Debug Interface mode

NotDetected

0

Not detected

Detected

1

Detected
I

RW

LSREQ

Reset from network soft reset detected

Function present only in network core

NotDetected

0

Not detected

Detected

1

Detected
J

RW

LLOCKUP

Reset from network CPU lockup detected

Function present only in network core

NotDetected

0

Not detected

Detected

1

Detected
K

RW

LDOG

Reset from network watchdog timer detected

Function present only in network core

NotDetected

0

Not detected

Detected

1

Detected
L

RW

MFORCEOFF

Force-OFF reset from application core detected

Function present only in network core

NotDetected

0

Not detected

Detected

1

Detected
M

RW

NFC

Reset after wakeup from System OFF mode due to NFC field being detected

NotDetected

0

Not detected

Detected

1

Detected
N

RW

DOG1

Reset from application watchdog timer 1 detected

NotDetected

0

Not detected

Detected

1

Detected
O

RW

VBUS

Reset after wakeup from System OFF mode due to VBUS rising into valid range

NotDetected

0

Not detected

Detected

1

Detected
P

RW

LCTRLAP

Reset from network CTRL-AP detected

Function present only in network core

NotDetected

0

Not detected

Detected

1

Detected