--------------------------------------------------------------
    u0 : component nios2e
        port map (
            clk_clk                        => CLK48M,      --             clk.clk
            reset_reset_n                  => RST_N,       --         reset.reset_n
            thresh_external_connection_export => THRESH,
            sda_external_connection_export => SDA, -- sda_external_connection.export
            scl_external_connection_export => SCL  -- scl_external_connection.export
        );