SEMSTAT

nRF54L15 | nRF54L10 | nRF54L05 Datasheet

Address offset: 0x400

Semaphore status 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
ID A A
Reset 0x00000001 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 1
ID R/W Field Value ID Value Description
A

R

SEMSTAT

Semaphore status

Free

0

Semaphore is free

CPU

1

Semaphore is assigned to CPU

SPIS

2

Semaphore is assigned to SPI slave

CPUPending

3

Semaphore is assigned to SPI but a handover to the CPU is pending