clk clk rst rst extrst_low extrst_low state_qout[2:0] state_qout[2:0] go go serial_port serial_port eth_clk eth_clk eth_ale eth_ale eth_rd_low eth_rd_low eth_wr_low eth_wr_low eth_ad[7:0] eth_ad[7:0] eth_cs_low eth_cs_low int_request int_request int_type[15:0] int_type[15:0] eth_int_low eth_int_low eth_rst_low eth_rst_low eth_rstx_low eth_rstx_low locstamp[4:0] locstamp[4:0] go_getpacket[2:0] go_getpacket[2:0] spi_sdo spi_sdo spi_sclk spi_sclk spi_rst_low spi_rst_low spi_t_ce spi_t_ce spi_a_cs_low spi_a_cs_low spi_sdi_tri spi_sdi_tri spi_a_error spi_a_error spi_t_error spi_t_error dac_sclk dac_sclk dac_reset_low dac_reset_low dac_sync_low dac_sync_low dac_din dac_din