clk clk clk_two clk_two clk_three clk_three clk_four clk_four reset_n reset_n reset_n reset_n enable_179 enable_179 sdram_request sdram_request sdram_request_reg sdram_request_reg sdram_request_next sdram_request_next sdram_request_complete_reg sdram_request_complete_reg seq_ph_reg seq_ph_reg seq_reg[11:0] seq_reg[11:0] HEXRADIX clk clk reset_n reset_n throttle_count_reg[5:0] throttle_count_reg[5:0] HEXRADIX sdram_ras_n sdram_ras_n sdram_cas_n sdram_cas_n sdram_we_n sdram_we_n memory_ready memory_ready r_psel[2:0] r_psel[2:0] r_psel_dly[2:0] r_psel_dly[2:0] sdram_reset_n_next sdram_reset_n_next sdram_reset_n_reg sdram_reset_n_reg sdram_rdy sdram_rdy sdram_refresh sdram_refresh