vivado 60进制计数器并用数码管显示_vivado60进制计数器

module second(
input wire clk,
output reg sec);
reg [27:0]q1;
always @(posedge clk)
    begin 
        if(q1==50000000)
            begin
                q1<=0;
                sec<=~sec;
             end
    else
        q1<=q1+1;
    end
endmodule


module sixty(
input wire clk,
output reg [3:0] cnt60_L,
output reg [3:0] cnt60_H,
output reg carry
    );
    initial begin
        cnt60_L=8;
        cnt60_H=5;
    end
    
    always @(posedge clk)
        begin
            carry<=0;
            cnt60_L<=cnt60_L+1;
            if(cnt60_L==9)
                begin
                    cnt60_L<=0;
                    cnt60_H<=cn
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