Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Fujitsu/MB9B360L/RTC/WTCR10#0x0
Control Register 10
Start bit
RTC count block operation bit
RTC reset bit
1-second clock output stop bit
Sub second generation/1-second generation counter reset bit
Busy bit
Transfer flag bit
https://github.com/cmsis-svd/cmsis-svd-data