fifo_data_inst : fifo_data PORT MAP ( data => data_sig, wrreq => wrreq_sig, rdreq => rdreq_sig, rdclk => rdclk_sig, wrclk => wrclk_sig, aclr => aclr_sig, q => q_sig, rdfull => rdfull_sig, rdempty => rdempty_sig, wrfull => wrfull_sig, wrempty => wrempty_sig );