Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32U599/OTG_HS/DVBUSDIS#0x0
This register specifies the VBUS discharge time after VBUS pulsing during SRP.
VBUSDT
https://github.com/cmsis-svd/cmsis-svd-data