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📁 vhdl经典源代码——时钟设计
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<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script src="paths.js"></script><script src="eqns.js"></script><script>
      var design = "clock";
      var device = "XC95144XL";
      signals = new Array("XLXI_1cnt0_SPECSIG","XLXI_1cnt10_SPECSIG","XLXI_1cnt11_SPECSIG","XLXI_1cnt12_SPECSIG","XLXI_1cnt13_SPECSIG","XLXI_1cnt14_SPECSIG","XLXI_1cnt1_SPECSIG","XLXI_1cnt2_SPECSIG","XLXI_1cnt3_SPECSIG","XLXI_1cnt4_SPECSIG","XLXI_1cnt5_SPECSIG","XLXI_1cnt6_SPECSIG","XLXI_1cnt7_SPECSIG","XLXI_1cnt8_SPECSIG","XLXI_1cnt9_SPECSIG","XLXI_3cnt0_SPECSIG","XLXI_3cnt10_SPECSIG","XLXI_3cnt11_SPECSIG","XLXI_3cnt12_SPECSIG","XLXI_3cnt13_SPECSIG","XLXI_3cnt14_SPECSIG","XLXI_3cnt15_SPECSIG","XLXI_3cnt16_SPECSIG","XLXI_3cnt17_SPECSIG","XLXI_3cnt18_SPECSIG","XLXI_3cnt19_SPECSIG","XLXI_3cnt1_SPECSIG","XLXI_3cnt20_SPECSIG","XLXI_3cnt21_SPECSIG","XLXI_3cnt22_SPECSIG","XLXI_3cnt23_SPECSIG","XLXI_3cnt24_SPECSIG","XLXI_3cnt25_SPECSIG","XLXI_3cnt2_SPECSIG","XLXI_3cnt3_SPECSIG","XLXI_3cnt4_SPECSIG","XLXI_3cnt5_SPECSIG","XLXI_3cnt6_SPECSIG","XLXI_3cnt7_SPECSIG","XLXI_3cnt8_SPECSIG","XLXI_3cnt9_SPECSIG","XLXI_6cnt0_SPECSIG","XLXI_6cnt1_SPECSIG","XLXI_6cnt2_SPECSIG","XLXN_10","XLXN_130_SPECSIG","XLXN_131_SPECSIG","XLXN_132_SPECSIG","XLXN_133_SPECSIG","XLXN_190_SPECSIG","XLXN_191_SPECSIG","XLXN_192_SPECSIG","XLXN_193_SPECSIG","XLXN_200_SPECSIG","XLXN_201_SPECSIG","XLXN_202_SPECSIG","XLXN_203_SPECSIG","XLXN_220_SPECSIG","XLXN_221_SPECSIG","XLXN_222_SPECSIG","XLXN_223_SPECSIG","XLXN_240_SPECSIG","XLXN_241_SPECSIG","XLXN_242_SPECSIG","XLXN_243_SPECSIG","XLXN_260_SPECSIG","XLXN_261_SPECSIG","XLXN_262_SPECSIG","XLXN_263_SPECSIG","XLXN_290_SPECSIG","XLXN_291_SPECSIG","XLXN_292_SPECSIG","XLXN_293_SPECSIG","XLXN_6","XLXN_7","XLXN_9","dataout0_SPECSIG","dataout1_SPECSIG","dataout2_SPECSIG","dataout3_SPECSIG","dataout4_SPECSIG","dataout5_SPECSIG","dataout6_SPECSIG","dataout7_SPECSIG","en0_SPECSIG","en1_SPECSIG","en2_SPECSIG","en3_SPECSIG","en4_SPECSIG","en5_SPECSIG","en6_SPECSIG","en7_SPECSIG");
      sigNegs = new Array("OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","ON","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","ON","OFF","OFF","OFF","ON","ON","ON","ON","ON","OFF","ON","ON","OFF","OFF","OFF","OFF","OFF","OFF","ON","OFF","OFF","OFF","ON","OFF","OFF","OFF","ON","OFF","OFF","OFF","ON","OFF","OFF","OFF","OFF","ON","OFF","OFF","OFF","OFF","OFF","OFF","OFF","OFF","ON","ON","ON","ON","ON","ON","ON","ON");
      sigTypes = new Array("T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","D","D","D","D","D","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","T","D","D","D","","","","","","","","","D","D","D","D","D","D","D","D");

      
        specSig["b_SPECSIG"]=new Array("(b)");
      
        specSig["XLXI_3cnt9_SPECSIG"]=new Array("XLXI_3/cnt<9>");
      
        specSig["XLXI_3cnt3_SPECSIG"]=new Array("XLXI_3/cnt<3>");
      
        specSig["XLXI_3cnt24_SPECSIG"]=new Array("XLXI_3/cnt<24>");
      
        specSig["XLXI_3cnt23_SPECSIG"]=new Array("XLXI_3/cnt<23>");
      
        specSig["XLXI_3cnt20_SPECSIG"]=new Array("XLXI_3/cnt<20>");
      
        specSig["XLXI_3cnt19_SPECSIG"]=new Array("XLXI_3/cnt<19>");
      
        specSig["XLXI_3cnt22_SPECSIG"]=new Array("XLXI_3/cnt<22>");
      
        specSig["XLXI_3cnt21_SPECSIG"]=new Array("XLXI_3/cnt<21>");
      
        specSig["XLXI_3cnt17_SPECSIG"]=new Array("XLXI_3/cnt<17>");
      
        specSig["XLXI_3cnt14_SPECSIG"]=new Array("XLXI_3/cnt<14>");
      
        specSig["XLXI_3cnt12_SPECSIG"]=new Array("XLXI_3/cnt<12>");
      
        specSig["XLXI_3cnt4_SPECSIG"]=new Array("XLXI_3/cnt<4>");
      
        specSig["XLXN_131_SPECSIG"]=new Array("XLXN_13<1>");
      
        specSig["XLXN_132_SPECSIG"]=new Array("XLXN_13<2>");
      
        specSig["XLXN_201_SPECSIG"]=new Array("XLXN_20<1>");
      
        specSig["XLXN_192_SPECSIG"]=new Array("XLXN_19<2>");
      
        specSig["XLXN_293_SPECSIG"]=new Array("XLXN_29<3>");
      
        specSig["XLXI_6cnt1_SPECSIG"]=new Array("XLXI_6/cnt<1>");
      
        specSig["XLXI_6cnt2_SPECSIG"]=new Array("XLXI_6/cnt<2>");
      
        specSig["XLXN_262_SPECSIG"]=new Array("XLXN_26<2>");
      
        specSig["XLXN_290_SPECSIG"]=new Array("XLXN_29<0>");
      
        specSig["XLXI_6cnt0_SPECSIG"]=new Array("XLXI_6/cnt<0>");
      
        specSig["XLXN_190_SPECSIG"]=new Array("XLXN_19<0>");
      
        specSig["XLXN_240_SPECSIG"]=new Array("XLXN_24<0>");
      
        specSig["XLXI_3cnt0_SPECSIG"]=new Array("XLXI_3/cnt<0>");
      
        specSig["XLXI_1cnt0_SPECSIG"]=new Array("XLXI_1/cnt<0>");
      
        specSig["XLXN_242_SPECSIG"]=new Array("XLXN_24<2>");
      
        specSig["XLXI_3cnt1_SPECSIG"]=new Array("XLXI_3/cnt<1>");
      
        specSig["XLXI_1cnt2_SPECSIG"]=new Array("XLXI_1/cnt<2>");
      
        specSig["XLXN_292_SPECSIG"]=new Array("XLXN_29<2>");
      
        specSig["dataout1_SPECSIG"]=new Array("dataout<1>");
      
        specSig["en5_SPECSIG"]=new Array("en<5>");
      
        specSig["en1_SPECSIG"]=new Array("en<1>");
      
        specSig["XLXN_202_SPECSIG"]=new Array("XLXN_20<2>");
      
        specSig["XLXN_243_SPECSIG"]=new Array("XLXN_24<3>");
      
        specSig["en6_SPECSIG"]=new Array("en<6>");
      
        specSig["XLXN_241_SPECSIG"]=new Array("XLXN_24<1>");
      
        specSig["en7_SPECSIG"]=new Array("en<7>");
      
        specSig["en0_SPECSIG"]=new Array("en<0>");
      
        specSig["XLXN_223_SPECSIG"]=new Array("XLXN_22<3>");
      
        specSig["XLXN_193_SPECSIG"]=new Array("XLXN_19<3>");
      
        specSig["XLXN_191_SPECSIG"]=new Array("XLXN_19<1>");
      
        specSig["XLXN_222_SPECSIG"]=new Array("XLXN_22<2>");
      
        specSig["XLXN_221_SPECSIG"]=new Array("XLXN_22<1>");
      
        specSig["dataout7_SPECSIG"]=new Array("dataout<7>");
      
        specSig["dataout5_SPECSIG"]=new Array("dataout<5>");
      
        specSig["XLXI_3cnt6_SPECSIG"]=new Array("XLXI_3/cnt<6>");
      
        specSig["XLXI_3cnt5_SPECSIG"]=new Array("XLXI_3/cnt<5>");
      
        specSig["dataout4_SPECSIG"]=new Array("dataout<4>");
      
        specSig["dataout2_SPECSIG"]=new Array("dataout<2>");
      
        specSig["dataout3_SPECSIG"]=new Array("dataout<3>");
      
        specSig["dataout0_SPECSIG"]=new Array("dataout<0>");
      
        specSig["en4_SPECSIG"]=new Array("en<4>");
      
        specSig["XLXI_3cnt15_SPECSIG"]=new Array("XLXI_3/cnt<15>");
      
        specSig["en3_SPECSIG"]=new Array("en<3>");
      
        specSig["XLXI_3cnt13_SPECSIG"]=new Array("XLXI_3/cnt<13>");
      
        specSig["en2_SPECSIG"]=new Array("en<2>");
      
        specSig["XLXI_1cnt4_SPECSIG"]=new Array("XLXI_1/cnt<4>");
      
        specSig["XLXI_1cnt3_SPECSIG"]=new Array("XLXI_1/cnt<3>");
      
        specSig["XLXI_1cnt13_SPECSIG"]=new Array("XLXI_1/cnt<13>");
      
        specSig["XLXN_261_SPECSIG"]=new Array("XLXN_26<1>");
      
        specSig["XLXI_1cnt8_SPECSIG"]=new Array("XLXI_1/cnt<8>");
      
        specSig["XLXI_1cnt7_SPECSIG"]=new Array("XLXI_1/cnt<7>");
      
        specSig["XLXI_1cnt14_SPECSIG"]=new Array("XLXI_1/cnt<14>");
      
        specSig["XLXI_1cnt12_SPECSIG"]=new Array("XLXI_1/cnt<12>");
      
        specSig["XLXI_1cnt11_SPECSIG"]=new Array("XLXI_1/cnt<11>");
      
        specSig["XLXI_1cnt10_SPECSIG"]=new Array("XLXI_1/cnt<10>");
      
        specSig["XLXI_1cnt6_SPECSIG"]=new Array("XLXI_1/cnt<6>");
      
        specSig["dataout6_SPECSIG"]=new Array("dataout<6>");
      
        specSig["XLXI_1cnt5_SPECSIG"]=new Array("XLXI_1/cnt<5>");
      
        specSig["XLXI_3cnt25_SPECSIG"]=new Array("XLXI_3/cnt<25>");
      
        specSig["XLXI_3cnt11_SPECSIG"]=new Array("XLXI_3/cnt<11>");
      
        specSig["XLXI_3cnt10_SPECSIG"]=new Array("XLXI_3/cnt<10>");
      
        specSig["XLXI_3cnt16_SPECSIG"]=new Array("XLXI_3/cnt<16>");
      
        specSig["XLXI_3cnt18_SPECSIG"]=new Array("XLXI_3/cnt<18>");
      
        specSig["XLXI_3cnt2_SPECSIG"]=new Array("XLXI_3/cnt<2>");
      
        specSig["XLXI_3cnt7_SPECSIG"]=new Array("XLXI_3/cnt<7>");
      
        specSig["XLXI_3cnt8_SPECSIG"]=new Array("XLXI_3/cnt<8>");
      
        specSig["XLXN_203_SPECSIG"]=new Array("XLXN_20<3>");
      
        specSig["XLXN_130_SPECSIG"]=new Array("XLXN_13<0>");
      
        specSig["XLXN_200_SPECSIG"]=new Array("XLXN_20<0>");
      
        specSig["XLXN_220_SPECSIG"]=new Array("XLXN_22<0>");
      
        specSig["XLXN_260_SPECSIG"]=new Array("XLXN_26<0>");
      
        specSig["XLXN_263_SPECSIG"]=new Array("XLXN_26<3>");
      
        specSig["XLXN_291_SPECSIG"]=new Array("XLXN_29<1>");
      
        specSig["XLXI_1cnt1_SPECSIG"]=new Array("XLXI_1/cnt<1>");
      
        specSig["XLXN_133_SPECSIG"]=new Array("XLXN_13<3>");
      
        specSig["XLXI_1cnt9_SPECSIG"]=new Array("XLXI_1/cnt<9>");
      
            pterms["FB1_1_1"]=new Array("/XLXI_3cnt0_SPECSIG");
          
            pterms["FB1_1_2"]=new Array("/XLXI_3cnt1_SPECSIG");
          
            pterms["FB1_1_3"]=new Array("/XLXI_3cnt2_SPECSIG");
          
            pterms["FB1_1_4"]=new Array("/rst");
          
            pterms["FB1_1_5"]=new Array("clk");
          
            pterms["FB1_2_1"]=new Array("XLXI_3cnt0_SPECSIG","XLXI_3cnt1_SPECSIG","XLXI_3cnt2_SPECSIG");
          
            pterms["FB1_2_2"]=new Array("/rst");
          
            pterms["FB1_2_3"]=new Array("clk");
          
            pterms["FB1_2_4"]=new Array("/XLXI_3cnt7_SPECSIG");
          
            pterms["FB1_2_5"]=new Array("/XLXI_3cnt10_SPECSIG","XLXI_3cnt11_SPECSIG","XLXI_3cnt12_SPECSIG","/XLXI_3cnt13_SPECSIG","XLXI_3cnt14_SPECSIG","/XLXI_3cnt15_SPECSIG","/XLXI_3cnt16_SPECSIG","XLXI_3cnt17_SPECSIG","/XLXI_3cnt18_SPECSIG","/XLXI_3cnt19_SPECSIG","/XLXI_3cnt20_SPECSIG","XLXI_3cnt21_SPECSIG","XLXI_3cnt22_SPECSIG","/XLXI_3cnt23_SPECSIG","/XLXI_3cnt24_SPECSIG","/XLXI_3cnt9_SPECSIG","XLXI_3cnt25_SPECSIG");
          
            pterms["FB1_3_1"]=new Array("XLXI_3cnt0_SPECSIG","XLXI_3cnt10_SPECSIG","XLXI_3cnt11_SPECSIG","XLXI_3cnt12_SPECSIG","XLXI_3cnt13_SPECSIG","XLXI_3cnt14_SPECSIG","XLXI_3cnt15_SPECSIG","XLXI_3cnt16_SPECSIG","XLXI_3cnt17_SPECSIG","XLXI_3cnt18_SPECSIG","XLXI_3cnt19_SPECSIG","XLXI_3cnt1_SPECSIG","XLXI_3cnt20_SPECSIG","XLXI_3cnt21_SPECSIG","XLXI_3cnt22_SPECSIG","XLXI_3cnt23_SPECSIG","XLXI_3cnt2_SPECSIG","XLXI_3cnt3_SPECSIG","XLXI_3cnt4_SPECSIG","XLXI_3cnt5_SPECSIG","XLXI_3cnt6_SPECSIG","XLXI_3cnt7_SPECSIG","XLXI_3cnt8_SPECSIG","XLXI_3cnt9_SPECSIG");
          
            pterms["FB1_3_2"]=new Array("/rst");
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