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下面这个简单四次分频代码编译通过,但是仿真进行到49%就卡住的样子提示"option to preserve fewer signal
transition s to reduce memory requirements is enable d"求大神指点: module fenping(clockin,clockout);//分频 input clockin; output reg clockout; reg [9:0]count0,count1,count2,count3; reg clockout1; reg clockout2; reg clockout3; parameter N=24;//改变N的值可以显示任意偶分频parameter M=49;//改变M的值可以显示任意偶分频always@(posedge clockin)//clockin上升沿触发 begin if(count0==N) begin count0<=3'b000; clockout1<=~clockout1; end else count0<=count0+3'b001; end always@(posedge clockout1) begin if(count1==M) begin count1<=3'b000; clockout2<=~clockout2; end else count1<=count1+3'b001; end always@(posedge clockout2) begin if(count2==M) begin count2<=3'b000; clockout3<=~clockout3; end else count2<=count2+3'b001; end always@(posedge clockout3) begin if(count3==M) begin count3<=3'b000; clockout<=~clockout; end else count3<=count3+3'b001; endendmodule |
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