Datasheet

Bit 10 – BOD33DET BOD33 Detection
Value Description
0
No BOD33 detection.
1
BOD33 has detected that the I/O power supply is going below the BOD33 reference value.
Bit 9 – BOD33RDY BOD33 Ready
Value Description
0
BOD33 is not ready.
1
BOD33 is ready.
Bit 8 – DFLLRCS DFLL Reference Clock Stopped
Value Description
0
DFLL reference clock is running.
1
DFLL reference clock has stopped.
Bit 7 – DFLLLCKC DFLL Lock Coarse
Value Description
0
No DFLL coarse lock detected.
1
DFLL coarse lock detected.
Bit 6 – DFLLLCKF DFLL Lock Fine
Value Description
0
No DFLL fine lock detected.
1
DFLL fine lock detected.
Bit 5 – DFLLOOB DFLL Out Of Bounds
Value Description
0
No DFLL Out Of Bounds detected.
1
DFLL Out Of Bounds detected.
Bit 4 – DFLLRDY DFLL Ready
This bit is cleared when the synchronization of registers between clock domains is complete.
This bit is set when the synchronization of registers between clock domains is started.
Value Description
0
The Synchronization is ongoing.
1
The Synchronization is complete.
Bit 3 – OSC8MRDY OSC8M Ready
Value Description
0
OSC8M is not ready.
1
OSC8M is stable and ready to be used as a clock source.
Bit 2 – OSC32KRDY OSC32K Ready
SAM D21 Family
SYSCTRL – System Controller
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 208