Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32n6/STM32N645/CSI/CSI_LB2CFGR#0x0
CSI-2 Host line byte 2 configuration register
Byte counter
Line counter
https://github.com/modm-io/cmsis-svd-stm32