module io
(
    IO_ISOL_N,
    SOC_IN,
    SOC_OUT,
    SOC_DIR,
    FPGA_OUT,
    FPGA_DIR,
    FPGA_IN
);

    input IO_ISOL_N;
    input SOC_IN;
    output SOC_OUT;
    output SOC_DIR;
    input FPGA_OUT;
    input FPGA_DIR;
    output FPGA_IN;

    wire IO_ISOL_N;
    wire SOC_IN;
    wire SOC_OUT;
    wire SOC_DIR;
    wire FPGA_OUT;
    wire FPGA_DIR;
    wire FPGA_IN;

endmodule