RNG_DMA_ROSC_LEN

nRF5340 Product Specification

Address offset: 0x1CC

This register defines which ring oscillator length configuration should be used when using the RNG DMA engine.

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 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

ROSC1

Use shortest ROSC1 ring oscillator configuration.

Disable

0

Disable ROSC1

Enable

1

Enable ROSC1

B

RW

ROSC2

Use ROSC2 ring oscillator configuration.

Disable

0

Disable ROSC2

Enable

1

Enable ROSC2

C

RW

ROSC3

Use ROSC3 ring oscillator configuration.

Disable

0

Disable ROSC3

Enable

1

Enable ROSC3

D

RW

ROSC4

Use longest ROSC4 ring oscillator configuration.

Disable

0

Disable ROSC4

Enable

1

Enable ROSC4