Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Infineon/XMC4300/USB0_CH0/HCTSIZ_BUFFERMODE#0x0
Pid=value1
Host Channel Transfer Size Register [BUFFERMODE]
Transfer Size
Packet Count
PID
0 (value1): DATA0
1 (value2): DATA2
2 (value3): DATA1
3 (value4): MDATA (non-control)/SETUP (control)
https://github.com/cmsis-svd/cmsis-svd-data