Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32n6/STM32N645/RCC/RCC_AHB3RSTSR#0x0
RCC AHB3 reset register
RNG reset
HASH reset
CRYP reset
SAES reset
PKA reset
IAC reset
https://github.com/modm-io/cmsis-svd-stm32