Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Infineon/XMC4300/ECAT0/ESC_WR_PROTECT#0x0
ESC_WR_PROT=value1
ESC Write Protection
Write protect
0 (value1): Protection disabled
1 (value2): Protection enabled
https://github.com/cmsis-svd/cmsis-svd-data