Registers

nRF54LM20A | nRF54LM20B Datasheet

Instances

Instance Domain Base address TrustZone Split access Description
Map Att DMA

CLOCK : S
CLOCK : NS

GLOBAL

0x5010E000
0x4010E000

US S NA No

Clock control

Configuration

Instance Domain Configuration

CLOCK : S
CLOCK : NS

GLOBAL

Register overview

Register Offset TZ Description
TASKS_XOSTART 0x000

Start crystal oscillator (HFXO)

TASKS_XOSTOP 0x004

Stop crystal oscillator (HFXO)

TASKS_PLLSTART 0x008

Start PLL and keep it running, regardless of the automatic clock requests

TASKS_PLLSTOP 0x00C

Stop PLL

TASKS_LFCLKSTART 0x010

Start LFCLK source as selected in LFCLK.SRC

TASKS_LFCLKSTOP 0x014

Stop LFCLK source

TASKS_CAL 0x018

Start calibration of LFRC oscillator

TASKS_XOTUNE 0x01C

Request tuning for HFXO

TASKS_XOTUNEABORT 0x020

Abort tuning for HFXO

TASKS_XO24MSTART 0x024

Request HFXO to provide a crystal clock for PCLK24M

TASKS_XO24MSTOP 0x028

Stop request HFXO for PCLK24M. When all requests for HFXO are stopped, HFXO will also stop.

SUBSCRIBE_XOSTART 0x080

Subscribe configuration for task XOSTART

SUBSCRIBE_XOSTOP 0x084

Subscribe configuration for task XOSTOP

SUBSCRIBE_PLLSTART 0x088

Subscribe configuration for task PLLSTART

SUBSCRIBE_PLLSTOP 0x08C

Subscribe configuration for task PLLSTOP

SUBSCRIBE_LFCLKSTART 0x090

Subscribe configuration for task LFCLKSTART

SUBSCRIBE_LFCLKSTOP 0x094

Subscribe configuration for task LFCLKSTOP

SUBSCRIBE_CAL 0x098

Subscribe configuration for task CAL

SUBSCRIBE_XOTUNE 0x09C

Subscribe configuration for task XOTUNE

SUBSCRIBE_XOTUNEABORT 0x0A0

Subscribe configuration for task XOTUNEABORT

SUBSCRIBE_XO24MSTART 0x0A4

Subscribe configuration for task XO24MSTART

SUBSCRIBE_XO24MSTOP 0x0A8

Subscribe configuration for task XO24MSTOP

EVENTS_XOSTARTED 0x100

Crystal oscillator has started

EVENTS_PLLSTARTED 0x104

PLL started

EVENTS_LFCLKSTARTED 0x108

LFCLK source started

EVENTS_DONE 0x10C

Calibration of LFRC oscillator complete event

EVENTS_XOTUNED 0x110

HFXO tuning is done. XOTUNED is generated after TASKS_XOSTART or after TASKS_XOTUNE has completed

EVENTS_XOTUNEERROR 0x114

HFXO quality issue detected, XOTUNE is needed

EVENTS_XOTUNEFAILED 0x118

HFXO tuning could not be completed

EVENTS_XO24MSTARTED 0x11C

XO24M started

PUBLISH_XOSTARTED 0x180

Publish configuration for event XOSTARTED

PUBLISH_PLLSTARTED 0x184

Publish configuration for event PLLSTARTED

PUBLISH_LFCLKSTARTED 0x188

Publish configuration for event LFCLKSTARTED

PUBLISH_DONE 0x18C

Publish configuration for event DONE

PUBLISH_XOTUNED 0x190

Publish configuration for event XOTUNED

PUBLISH_XOTUNEERROR 0x194

Publish configuration for event XOTUNEERROR

PUBLISH_XOTUNEFAILED 0x198

Publish configuration for event XOTUNEFAILED

PUBLISH_XO24MSTARTED 0x19C

Publish configuration for event XO24MSTARTED

INTEN 0x300

Enable or disable interrupt

INTENSET 0x304

Enable interrupt

INTENCLR 0x308

Disable interrupt

INTPEND 0x30C

Pending interrupts

XO.RUN 0x408

Indicates that XOSTART task was triggered

XO.STAT 0x40C

XO status

PLL.RUN 0x428

Indicates that PLLSTART task was triggered

PLL.STAT 0x42C

Which PLL settings were selected when triggering START task

LFCLK.SRC 0x440

Clock source for LFCLK

LFCLK.RUN 0x448

Indicates that LFCLKSTART task was triggered

LFCLK.STAT 0x44C

Copy of LFCLK.SRCCOPY register, set when LFCLKSTARTED event is triggered.

LFCLK.SRCCOPY 0x450

Copy of LFCLK.SRC register, set when LFCLKSTART task is triggered

PLL24M.RUN 0x468

Indicates that XO24MSTART task was triggered

PLL24M.STAT 0x46C

Which PLL settings were selected when triggering START task