REGULATORS — Voltage regulators control

The REGULATORS module provides an interface to certain configuration settings of on-chip voltage regulators.

Registers

Instances

InstanceBase addressTrustZoneSplit accessDescription
MapAttDMA

REGULATORS : S
REGULATORS : NS

0x50004000
0x40004000

USNSNANo

Regulator configuration

Register overview

RegisterOffsetTZDescription
SYSTEMOFF0x500

System OFF register

EXTPOFCON0x514

External power failure warning configuration

DCDCEN0x578

Enable a step-down DC/DC voltage regulator

SYSTEMOFF

Address offset: 0x500

System OFF register

Bit number313029282726252423222120191817161514131211109876543210
IDA
Reset 0x0000000000000000000000000000000000000000
IDR/WFieldValue IDValueDescription
A

W

SYSTEMOFF

Enable System OFF mode

Enable

1

Enable System OFF mode

EXTPOFCON

Address offset: 0x514

External power failure warning configuration

Bit number313029282726252423222120191817161514131211109876543210
IDA
Reset 0x0000000000000000000000000000000000000000
IDR/WFieldValue IDValueDescription
A

RW

POF

Enable or disable external power failure warning

Disabled

0

Disable

Enabled

1

Enable

DCDCEN

Address offset: 0x578

Enable a step-down DC/DC voltage regulator

Note: DCDCEN must be set to 1 (enabled) before the LTE modem is started.
Bit number313029282726252423222120191817161514131211109876543210
IDA
Reset 0x0000000000000000000000000000000000000000
IDR/WFieldValue IDValueDescription
A

RW

DCDCEN

Enable DC/DC buck regulator

Disabled

0

DC/DC buck regulator is disabled

Enabled

1

DC/DC buck regulator is enabled