Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Infineon/XMC4700/SCU_CLK/CPUCLKCR#0x0
CPUDIV=value1
CPU Clock Control Register
CPU Clock Divider Enable
0 (value1): fCPU = fSYS
1 (value2): fCPU = fSYS / 2
https://github.com/cmsis-svd/cmsis-svd-data