Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Renesas Electronics/R7FA4M1AB/SYSTEM/MOCOCR#0x0
MCSTP=0
Middle-Speed On-Chip Oscillator Control Register
MOCO Stop
0 (0): MOCO is operating.
1 (1): MOCO is stopped.
These bits are read as 0000000. The write value should be 0000000.
https://github.com/cmsis-svd/cmsis-svd-data