Atmel Xplained Pro Evaluation Kit ATSAMD20-XPRO ATSAMD20-XPRO Data Sheet
Product codes
ATSAMD20-XPRO
140
Atmel | SMART SAM D20 [DATASHEET]
Atmel-42129K–SAM-D20_datasheet–06/2014
16.7
Register Summary
SYSCTRL Register Summary
Offset
Name
Bit
Pos.
0x00
7:0
DFLLLCKC
DFLLLCKF
DFLLOOB
DFLLRDY
OSC8MRDY
OSC32KRDY
XOSC32KRDY
XOSCRDY
0x01
15:8
B33SRDY
BOD33DET
BOD33RDY
DFLLRCS
0x02
23:16
0x03
31:24
0x04
7:0
DFLLLCKC
DFLLLCKF
DFLLOOB
DFLLRDY
OSC8MRDY
OSC32KRDY
XOSC32KRDY
XOSCRDY
0x05
15:8
B33SRDY
BOD33DET
BOD33RDY
DFLLRCS
0x06
23:16
0x07
31:24
0x08
7:0
DFLLLCKC
DFLLLCKF
DFLLOOB
DFLLRDY
OSC8MRDY
OSC32KRDY
XOSC32KRDY
XOSCRDY
0x09
15:8
B33SRDY
BOD33DET
BOD33RDY
DFLLRCS
0x0A
23:16
0x0B
31:24
0x0C
7:0
DFLLLCKC
DFLLLCKF
DFLLOOB
DFLLRDY
OSC8MRDY
OSC32KRDY
XOSC32KRDY
XOSCRDY
0x0D
15:8
B33SRDY
BOD33DET
BOD33RDY
DFLLRCS
0x0E
23:16
0x0F
31:24
0x10
7:0
ONDEMAND
RUNSTDBY
XTALEN
ENABLE
0x11
15:8
STARTUP[3:0]
AMPGC
GAIN[2:0]
0x12
Reserved
0x13
Reserved
0x14
7:0
ONDEMAND
RUNSTDBY
AAMPEN
EN1K
EN32K
XTALEN
ENABLE
0x15
15:8
WRTLOCK
STARTUP[2:0]
0x16
Reserved
0x17
Reserved
0x18
7:0
ONDEMAND
RUNSTDBY
EN1K
EN32K
ENABLE
0x19
15:8
WRTLOCK
STARTUP[2:0]
0x1A
23:16
CALIB[6:0]
0x1B
31:24
0x1C
7:0
WRTLOCK
CALIB[4:0]
0x1D
Reserved
0x1E
Reserved
0x1F
Reserved
0x20
7:0
ONDEMAND
RUNSTDBY
ENABLE
0x21
15:8
PRESC[1:0]
0x22
23:16
CALIB[7:0]
0x23
31:24
FRANGE[1:0]
CALIB[11:8]
0x24
7:0
ONDEMAND
LLAW
STABLE
MODE
ENABLE
0x25
15:8
QLDIS
CCDIS
0x26
Reserved
0x27
Reserved