Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Renesas Electronics/R7FA6T1AD/SYSTEM/BCKCR#0x0
BCLKDIV=0
External Bus Clock Control Register
BCLK Pin Output Select
0 (0): BCLK
1 (1): BCLK/2
https://github.com/cmsis-svd/cmsis-svd-data