REGULATORS — Voltage regulators control

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

Registers

Table 1. Instances
Base address	Peripheral	Instance	Secure mapping	DMA security	Description	Configuration
0x50004000 0x40004000	REGULATORS	REGULATORS : S REGULATORS : NS	US	NA	Regulator configuration

Table 2. Register overview
Register	Offset	Description
SYSTEMOFF	0x500	System OFF register
EXTPOFCON	0x514	External power failure warning configuration
DCDCEN	0x578	Enable DC/DC mode of the main 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 DC/DC mode of the main voltage regulator.

Note: DCDCEN must be set to 1 (enabled) before the LTE modem is started.