Datasheet

17.8.15 Voltage Regulator System (VREG) Control
Name:  VREG
Offset:  0x3C
Reset:  0x0X00
Property:  Write-Protected
Bit 15 14 13 12 11 10 9 8
FORCELDO
Access
R/W
Reset 0
Bit 7 6 5 4 3 2 1 0
RUNSTDBY
Access
R/W
Reset 0
Bit 13 – FORCELDO Force LDO Voltage Regulator
Value Description
0
The voltage regulator is in low power and low drive configuration in standby sleep mode.
1
The voltage regulator is in low power and high drive configuration in standby sleep mode.
Bit 6 – RUNSTDBY Run in Standby
Value Description
0
The voltage regulator is in low power configuration in standby sleep mode.
1
The voltage regulator is in normal configuration in standby sleep mode.
SAM D21 Family
SYSCTRL – System Controller
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 230