Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32U599/GTZC1_TZSC/TZSC_MPCWM2BCFGR#0x0
TZSC memory 2 sub-region B watermark configuration register
Sub-region enable
Sub-region lock
Secure sub-region
Privileged sub-region
https://github.com/cmsis-svd/cmsis-svd-data