Datasheet

17.7 Register Summary
Offset Name Bit Pos.
0x00 INTENCLR
7:0 DFLLLCKC DFLLLCKF DFLLOOB DFLLRDY OSC8MRDY OSC32KRDY
XOSC32KRD
Y
XOSCRDY
15:8 DPLLLCKR B33SRDY BOD33DET BOD33RDY DFLLRCS
23:16 DPLLLTO DPLLLCKF
31:24
0x04 INTENSET
7:0 DFLLLCKC DFLLLCKF DFLLOOB DFLLRDY OSC8MRDY OSC32KRDY
XOSC32KRD
Y
XOSCRDY
15:8 DPLLLCKR B33SRDY BOD33DET BOD33RDY DFLLRCS
23:16 DPLLLTO DPLLLCKF
31:24
0x08 INTFLAG
7:0 DFLLLCKC DFLLLCKF DFLLOOB DFLLRDY OSC8MRDY OSC32KRDY
XOSC32KRD
Y
XOSCRDY
15:8 DPLLLCKR B33SRDY BOD33DET BOD33RDY DFLLRCS
23:16 DPLLLTO DPLLLCKF
31:24
0x0C PCLKSR
7:0 DFLLLCKC DFLLLCKF DFLLOOB DFLLRDY OSC8MRDY OSC32KRDY
XOSC32KRD
Y
XOSCRDY
15:8 DPLLLCKR B33SRDY BOD33DET BOD33RDY DFLLRCS
23:16 DPLLLTO DPLLLCKF
31:24
0x10 XOSC
7:0 ONDEMAND RUNSTDBY XTALEN ENABLE
15:8 STARTUP[3:0] AMPGC GAIN[2:0]
0x12
...
0x13
Reserved
0x14 XOSC32K
7:0 ONDEMAND RUNSTDBY AAMPEN EN32K XTALEN ENABLE
15:8 WRTLOCK STARTUP[2:0]
0x16
...
0x17
Reserved
0x18 OSC32K
7:0 ONDEMAND RUNSTDBY EN32K ENABLE
15:8 WRTLOCK STARTUP[2:0]
23:16 CALIB[6:0]
31:24
0x1C OSCULP32K 7:0 WRTLOCK CALIB[4:0]
0x1D
...
0x1F
Reserved
0x20 OSC8M
7:0 ONDEMAND RUNSTDBY ENABLE
15:8 PRESC[1:0]
23:16 CALIB[7:0]
31:24 FRANGE[1:0] CALIB[11:8]
0x24 DFLLCTRL
7:0 ONDEMAND RUNSTDBY USBCRM LLAW STABLE MODE ENABLE
15:8 WAITLOCK BPLCKC QLDIS CCDIS
SAM D21 Family
SYSCTRL – System Controller
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 192