module triffic_light ( input rst_n, //异位复位信号,低电平有效 input clk, //时钟信号 input pass_request, output wire[7:0]clock, output reg red, output reg yellow, output reg green ); reg [7:0] clock_idle, clock_g, clock_y, clock_r; parameter IDLE = 0, GREEN = 1, YELLOW = 2, RED = 3; reg [1:0] state, nstate; // 初始态时...