Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32f1/STM32F107/BKP/CSR#0x0
BKP_CSR control/status register
Clear Tamper event
Clear Tamper Interrupt
Tamper Pin interrupt enable
Tamper Event Flag
Tamper Interrupt Flag
https://github.com/modm-io/cmsis-svd-stm32