Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32F7x8/OTG_HS_HOST/OTG_HS_HFIR#0x0
OTG_HS Host frame interval register
Frame interval
https://github.com/cmsis-svd/cmsis-svd-data