REGULATORS — Voltage regulators control

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

Registers

Instance	Base address	TrustZone			Split access	Description
Instance	Base address	Map	Att	DMA	Split access	Description
REGULATORS : S REGULATORS : NS	0x50004000 0x40004000	US	NS	NA	No	Regulator configuration

Register	Offset	Description
SYSTEMOFF	0x500	System OFF register
EXTPOFCON	0x514	External power failure warning configuration
DCDCEN	0x578	Enable a step-down DC/DC voltage regulator

Address offset: 0x500

System OFF register

Address offset: 0x514

External power failure warning configuration

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
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	POF										Enable or disable external power failure warning
			Disabled	0								Disable
			Enabled	1								Enable

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 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
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	DCDCEN										Enable DC/DC buck regulator
			Disabled	0								DC/DC buck regulator is disabled
			Enabled	1								DC/DC buck regulator is enabled