Atmel Xplained Pro Evaluation Kit for the ATSAMD21J18A Microcontroller ATSAMD21-XPRO ATSAMD21-XPRO Data Sheet
Product codes
ATSAMD21-XPRO
170
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181C–SAM-D21_Datasheet–07/2014
z
Bit 11 – B33SRDY: BOD33 Synchronization Ready
0: BOD33 synchronization is complete.
1: BOD33 synchronization is ongoing.
0: BOD33 synchronization is complete.
1: BOD33 synchronization is ongoing.
z
Bit 10 – BOD33DET: BOD33 Detection
0: No BOD33 detection.
1: BOD33 has detected that the I/O power supply is going below the BOD33 reference value.
0: No BOD33 detection.
1: BOD33 has detected that the I/O power supply is going below the BOD33 reference value.
z
Bit 9 – BOD33RDY: BOD33 Ready
0: BOD33 is not ready.
1: BOD33 is ready.
0: BOD33 is not ready.
1: BOD33 is ready.
z
Bit 8 – DFLLRCS: DFLL Reference Clock Stopped
0: DFLL reference clock is running.
1: DFLL reference clock has stopped.
0: DFLL reference clock is running.
1: DFLL reference clock has stopped.
z
Bit 7 – DFLLLCKC: DFLL Lock Coarse
0: No DFLL coarse lock detected.
1: DFLL coarse lock detected.
0: No DFLL coarse lock detected.
1: DFLL coarse lock detected.
z
Bit 6 – DFLLLCKF: DFLL Lock Fine
0: No DFLL fine lock detected.
1: DFLL fine lock detected.
0: No DFLL fine lock detected.
1: DFLL fine lock detected.
z
Bit 5 – DFLLOOB: DFLL Out Of Bounds
0: No DFLL Out Of Bounds detected.
1: DFLL Out Of Bounds detected.
0: No DFLL Out Of Bounds detected.
1: DFLL Out Of Bounds detected.
z
Bit 4 – DFLLRDY: DFLL Ready
0: The Synchronization is ongoing.
1: The Synchronization is complete.
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.
0: The Synchronization is ongoing.
1: The Synchronization is complete.
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.
z
Bit 3 – OSC8MRDY: OSC8M Ready
0: OSC8M is not ready.
1: OSC8M is stable and ready to be used as a clock source.
0: OSC8M is not ready.
1: OSC8M is stable and ready to be used as a clock source.
z
Bit 2 – OSC32KRDY: OSC32K Ready
0: OSC32K is not ready.
1: OSC32K is stable and ready to be used as a clock source.
0: OSC32K is not ready.
1: OSC32K is stable and ready to be used as a clock source.
z
Bit 1 – XOSC32KRDY: XOSC32K Ready
0: XOSC32K is not ready.
1: XOSC32K is stable and ready to be used as a clock source.
0: XOSC32K is not ready.
1: XOSC32K is stable and ready to be used as a clock source.
z
Bit 0 – XOSCRDY: XOSC Ready
0: XOSC is not ready.
1: XOSC is stable and ready to be used as a clock source.
0: XOSC is not ready.
1: XOSC is stable and ready to be used as a clock source.