send_enable send_enable t_cs_n[7:0] t_cs_n[7:0] t_tready t_tready t_tvalid t_tvalid rdatac_enable rdatac_enable cnv_start cnv_start drdy drdy cstate[3:0] cstate[3:0] nstate[3:0] nstate[3:0] time_cnt[15:0] time_cnt[15:0] t_cnt[7:0] t_cnt[7:0] cnv_drdy_r[3:0] cnv_drdy_r[3:0] clk clk rst_n rst_n t_cs_n[7:0] t_cs_n[7:0] t_tdata[7:0] t_tdata[7:0] t_tlast t_tlast t_tready t_tready t_tvalid t_tvalid r_tdata[7:0] r_tdata[7:0] r_tlast r_tlast r_tvalid r_tvalid cs[0:0] cs[0:0] sclk sclk mosi mosi miso miso cstate[3:0] cstate[3:0] sck_neg sck_neg nstate[3:0] nstate[3:0] trans_cnt[7:0] trans_cnt[7:0] slv_n[7:0] slv_n[7:0] cs_release[0:0] cs_release[0:0] tx_data[7:0] tx_data[7:0] rx_data[7:0] rx_data[7:0] clk_en clk_en cnt[8:0] cnt[8:0] sck_pos sck_pos cs_r[0:0] cs_r[0:0] sclk_r sclk_r t_sccs_cnt[7:0] t_sccs_cnt[7:0] t_sch_cnt[7:0] t_sch_cnt[7:0] read_flag read_flag