module clock_top( input wire sys_clk , input wire sys_rst_n , output wire [7: 0] seg_led , output wire [5: 0] sel_led ); wire [4: 0] hour; wire [5: 0] min ; wire [5: 0] sec ; timer timer_inst( .sys_clk (sys_clk), .sys_rst_n (sys_rst_n), .hour (hour), .min (min), .sec (sec) ); timer_decoder timer_decoder_inst( .sys_clk (sys_clk), .sys_rst_n (sys_rst_n), .hour (hour), .min (min), .sec (sec), .seg_led (seg_led), .sel_led (sel_led) ); // defparam timer_inst.MAX = 5;//5 * 20 = 100ns // defparam timer_inst.DAY = 864;//864 * 100 = 86400ns; // defparam timer_decoder_inst.FPS = 10;//200ns; endmodule