21.6.3.13 Enum system_clock_source_dpll_reference_clock
| Enum value | Description |
|---|---|
|
SYSTEM_CLOCK_SOURCE_DPLL_REFERENCE_CLOCK_XOSC32K |
Select XOSC32K as clock reference |
|
SYSTEM_CLOCK_SOURCE_DPLL_REFERENCE_CLOCK_XOSC |
Select XOSC as clock reference |
|
SYSTEM_CLOCK_SOURCE_DPLL_REFERENCE_CLOCK_GCLK |
Select GCLK as clock reference |