Datasheet

...........continued
Offset Name Bit Pos.
0x26
...
0x27
Reserved
0x28 DFLLVAL
7:0 FINE[7:0]
15:8 COARSE[5:0] FINE[9:8]
23:16 DIFF[7:0]
31:24 DIFF[15:8]
0x2C DFLLMUL
7:0 MUL[7:0]
15:8 MUL[15:8]
23:16 FSTEP[7:0]
31:24 CSTEP[5:0] FSTEP[9:8]
0x30 DFLLSYNC 7:0 READREQ
0x31
...
0x33
Reserved
0x34 BOD33
7:0 RUNSTDBY ACTION[1:0] HYST ENABLE
15:8 PSEL[3:0] CEN MODE
23:16 LEVEL[5:0]
31:24
0x38
...
0x3B
Reserved
0x3C VREG
7:0 RUNSTDBY
15:8 FORCELDO
0x3E
...
0x3F
Reserved
0x40 VREF
7:0 BGOUTEN TSEN
15:8
23:16 CALIB[7:0]
31:24 CALIB[10:8]
0x44 DPLLCTRLA 7:0 ONDEMAND RUNSTDBY ENABLE
0x45
...
0x47
Reserved
0x48 DPLLRATIO
7:0 LDR[7:0]
15:8 LDR[11:8]
23:16 LDRFRAC[3:0]
31:24
0x4C DPLLCTRLB
7:0 REFCLK[1:0] WUF LPEN FILTER[1:0]
15:8 LBYPASS LTIME[2:0]
23:16 DIV[7:0]
31:24 DIV[10:8]
0x50 DPLLSTATUS 7:0 DIV ENABLE CLKRDY LOCK
SAM D21 Family
SYSCTRL – System Controller
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 193