Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32n6/STM32N645/RCC/RCC_AHB2ENCR#0x0
RCC AHB2 enable register
RAMCFG enable
MDF1 enable
ADF1 enable
https://github.com/modm-io/cmsis-svd-stm32