REGULATORS — Voltage regulators control
The REGULATORS module provides an interface to certain configuration settings of on-chip voltage regulators.
Registers
Instances
| Instance | Base address | TrustZone | Split access | Description | ||
|---|---|---|---|---|---|---|
| Map | Att | DMA | ||||
REGULATORS : S | 0x50004000 | US | NS | NA | No | Regulator configuration |
Register overview
SYSTEMOFF
Address offset: 0x500
System OFF 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 | ||||||||||||||||||||||||||||||||||
| 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 | W | SYSTEMOFF | Enable System OFF mode | ||||||||||||||||||||||||||||||||
Enable | 1 | Enable System OFF mode | |||||||||||||||||||||||||||||||||
EXTPOFCON
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 | |||||||||||||||||||||||||||||||||
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 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 | |||||||||||||||||||||||||||||||||