Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32h7/STM32H745_CM4/HSEM/HSEM_C1ICR#0x0
HSEM Interrupt clear register
Interrupt semaphore x clear bit
https://github.com/modm-io/cmsis-svd-stm32