Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32F7x/OTG_FS_DEVICE/OTG_FS_DIEPINT3#0x0
device endpoint-3 interrupt register
XFRC
EPDISD
TOC
ITTXFE
INEPNE
TXFE
https://github.com/cmsis-svd/cmsis-svd-data