Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Infineon/XMC4300/ECAT0_FMMU0/FMMU_ACT#0x0
ACT=value1
Activate FMMU 0
FMMU Activation
0 (value1): FMMU deactivated.
1 (value2): FMMU activated. FMMU checks logical addressed blocks to be mapped according to mapping configured
https://github.com/cmsis-svd/cmsis-svd-data