|  | <models xmlns:xi="http://www.w3.org/2001/XInclude"> | 
|  | <model name="IBUF_VPR"> | 
|  | <input_ports> | 
|  | <port name="I" combinational_sink_ports="O"/> | 
|  | </input_ports> | 
|  | <output_ports> | 
|  | <port name="O"/> | 
|  | </output_ports> | 
|  | </model> | 
|  | <model name="OBUFT_VPR"> | 
|  | <input_ports> | 
|  | <port name="I" combinational_sink_ports="O"/> | 
|  | <port name="T" combinational_sink_ports="O"/> | 
|  | </input_ports> | 
|  | <output_ports> | 
|  | <port name="O"/> | 
|  | </output_ports> | 
|  | </model> | 
|  | <model name="IOBUF_VPR"> | 
|  | <input_ports> | 
|  | <port name="I" combinational_sink_ports="IOPAD_$out"/> | 
|  | <port name="T" combinational_sink_ports="IOPAD_$out"/> | 
|  | <port name="IOPAD_$inp" combinational_sink_ports="O"/> | 
|  | </input_ports> | 
|  | <output_ports> | 
|  | <port name="O"/> | 
|  | <port name="IOPAD_$out"/> | 
|  | </output_ports> | 
|  | </model> | 
|  | </models> |