Datasheet

17.8.18 DPLL Ratio Control
Name: DPLLRATIO
Offset: 0x48
Reset: 0x00000000
Property: Write-Protected
Bit 31 30 29 28 27 26 25 24
Access
Reset
Bit 23 22 21 20 19 18 17 16
LDRFRAC[3:0]
Access
R/W R/W R/W R/W
Reset 0 0 0 0
Bit 15 14 13 12 11 10 9 8
LDR[11:8]
Access
R/W R/W R/W R/W
Reset 0 0 0 0
Bit 7 6 5 4 3 2 1 0
LDR[7:0]
Access
R/W R/W R/W R/W R/W R/W R/W R/W
Reset 0 0 0 0 0 0 0 0
Bits 19:16 – LDRFRAC[3:0] Loop Divider Ratio Fractional Part
Write this field with the fractional part of the frequency multiplier.
Bits 11:0 – LDR[11:0] Loop Divider Ratio
Write this field with the integer part of the frequency multiplier.
SAM D21 Family
SYSCTRL – System Controller
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 233