Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32n6/STM32N645/DCMIPP/DCMIPP_CMFRCR#0x0
DCMIPP common frame counter register
Frame counter, read-only, loops around.
https://github.com/modm-io/cmsis-svd-stm32