Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32n6/STM32N645/RISAF/RISAF_REG5_AENDR#0x0
RISAF region 5 subregion A end-address register
subregion address end
https://github.com/modm-io/cmsis-svd-stm32