Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Infineon/XMC4300/ECAT0/ESC_RESET_ECAT#0x0
RESET_CMD_STATE=value3
ESC Reset ECAT [READ Mode]
Progress of the reset procedure
0 (value3): default
1 (value1): after writing 0x52
2 (value2): after writing 0x45 (if 0x52 was written before)
https://github.com/cmsis-svd/cmsis-svd-data