Datasheet

17.8.8 32kHz Ultra Low Power Internal Oscillator (OSCULP32K) Control
Name:  OSCULP32K
Offset:  0x1C
Reset:  0xXX
Property:  Write-Protected
Bit 7 6 5 4 3 2 1 0
WRTLOCK CALIB[4:0]
Access
R/W R/W R/W R/W R/W R/W
Reset 0 x x x x x
Bit 7 – WRTLOCK Write Lock
This bit locks the OSCULP32K register for future writes to fix the OSCULP32K configuration.
Value Description
0
The OSCULP32K configuration is not locked.
1
The OSCULP32K configuration is locked.
Bits 4:0 – CALIB[4:0] Oscillator Calibration
These bits control the oscillator calibration.
These bits are loaded from Flash Calibration at startup.
SAM D21 Family
SYSCTRL – System Controller
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 219