Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32wl3/STM32WL33/LCSC/LCSC_PULSE_CR#0x0
LCSC_PULSE_CR register
Low Pulse Width for LCA and LCB
Low Pulse Width for LCT
https://github.com/modm-io/cmsis-svd-stm32