Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32wb/STM32WB35_CM4/USB/LPMCSR#0x0
control and status register
LPM support enable
LPM Token acknowledge enable
RemoteWake value
BESL value
https://github.com/modm-io/cmsis-svd-stm32