Datasheet
...........continued
GCLK
Generator ID
Reset Value after a User Reset
0x03 0x00000003 if the generator is not used by the RTC and not a source of a 'locked'
generic clock
No change if the generator is used by the RTC or used by a GCLK with a WRTLOCK as
one
0x04 0x00000004 if the generator is not used by the RTC and not a source of a 'locked'
generic clock
No change if the generator is used by the RTC or used by a GCLK with a WRTLOCK as
one
0x05 0x00000005 if the generator is not used by the RTC and not a source of a 'locked'
generic clock
No change if the generator is used by the RTC or used by a GCLK with a WRTLOCK as
one
0x06 0x00000006 if the generator is not used by the RTC and not a source of a 'locked'
generic clock
No change if the generator is used by the RTC or used by a GCLK with a WRTLOCK as
one
0x07 0x00000007 if the generator is not used by the RTC and not a source of a 'locked'
generic clock
No change if the generator is used by the RTC or used by a GCLK with a WRTLOCK as
one
0x08 0x00000008 if the generator is not used by the RTC and not a source of a 'locked'
generic clock
No change if the generator is used by the RTC or used by a GCLK with a WRTLOCK as
one
SAM D21 Family
GCLK - Generic Clock Controller
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 138