Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32n6/STM32N645/ETH/ETH_DMAC0SFCSR#0x0
Channel 0 slot function control status register
Enable Slot Comparison
Advance Slot Check
Slot Interval Value
Reference Slot Number
https://github.com/modm-io/cmsis-svd-stm32