module OBUFDS_GTE3_ADV #(
  `ifdef XIL_TIMING //Simprim 
  parameter LOC = "UNPLACED",  
  `endif
  parameter [0:0] REFCLK_EN_TX_PATH = 1'b0,
  parameter [4:0] REFCLK_ICNTL_TX = 5'b00000
)(
  output O,
  output OB,

  input CEB,
  input [3:0] I,
  input [1:0] RXRECCLK_SEL
);
endmodule