I removed the cpu and connected mcp2221a.
Here is the output:
C:\Users\adminuser\Desktop\MCP2221A_VRM_MOD>MCP2221a_iccmax_FF.exe -PXE1610C 50
The MCP2221a device is connected.
ReadBlock( Page00,cmdFD,1)=B3
ReadBlock( Page4F,cmd1A,1)=00
ReadBlock( Page4F,cmd32,2)=1504
PXE1610C found...