Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32l0/STM32L052/CRS/CFGR#0x0
configuration register
Counter reload value
Frequency error limit
SYNC divider
SYNC signal source selection
SYNC polarity selection
https://github.com/modm-io/cmsis-svd-stm32