Data Sheet

179
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181G–SAM-D21_Datasheet–09/2015
16.8.4 Power and Clocks Status
Name: PCLKSR
Offset: 0x0C
Reset: 0x00000000
Property: -
z Bits 31:18 – Reserved
These bits are unused and reserved for future use. For compatibility with future devices, always write these bits to
zero when this register is written. These bits will always return zero when read.
z Bit 17 – DPLLLTO: DPLL Lock Timeout
0: DPLL Lock time-out not detected.
1: DPLL Lock time-out detected.
z Bit 16 – DPLLLCKF: DPLL Lock Fall
0: DPLL Lock fall edge not detected.
1: DPLL Lock fall edge detected.
z Bit 15 – DPLLLCKR: DPLL Lock Rise
0: DPLL Lock rise edge not detected.
1: DPLL Lock fall edge detected.
z Bits 14:12 – Reserved
These bits are unused and reserved for future use. For compatibility with future devices, always write these bits to
zero when this register is written. These bits will always return zero when read.
Bit 3130292827262524
AccessRRRRRRRR
Reset00000000
Bit 2322212019181716
DPLLLTO DPLLLCKF
AccessRRRRRRRR
Reset00000000
Bit 151413121110 9 8
DPLLLCKR B33SRDY BOD33DET BOD33RDY DFLLRCS
AccessRRRRRRRR
Reset00000000
Bit 76543210
DFLLLCKC DFLLLCKF DFLLOOB DFLLRDY OSC8MRDY OSC32KRDY XOSC32KRDY XOSCRDY
AccessRRRRRRRR
Reset00000000