Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32f7/STM32F767/DFSDM/DFSDM_CHWDAT4R#0x0
DFSDM channel watchdog filter data register
Input channel y watchdog data
https://github.com/modm-io/cmsis-svd-stm32