NORDIC.CACHE.CTRL

nRF54LM20A | nRF54LM20B Datasheet

Address offset: 0x7C8

Cache control

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 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

ENABLE

Enable cache

Disabled

0

Cache disabled

Enabled

1

Cache enabled

B

RW
W1S

CACHECLR

Cache clear

Writing this bit writes the tag cache region to 0. This should be done before enabling the cache. The CPU stalls until the operation is complete. Interrupts must be disabled when performing the cache clear operation.

NoOperation

0

No Operation

Clear

1

Cache clear