{"rsdb":{"rid":"351606","subhead":"","postdate":"0","aid":"249607","fid":"92","uid":"1","topic":"1","content":"
\n

\u4e00\u3001 \u8f6f\u4ef6\u5e73\u53f0\u4e0e\u786c\u4ef6\u5e73\u53f0<\/span><\/p> \n

\u3000\u3000\u8f6f\u4ef6\u5e73\u53f0\uff1a<\/span><\/p> \n

\u3000\u30001\u3001\u64cd\u4f5c\u7cfb\u7edf\uff1aWindows-8.1<\/p> \n

\u3000\u30002\u3001\u5f00\u53d1\u5957\u4ef6\uff1aISE14.7<\/p> \n

\u3000\u30003\u3001\u4eff\u771f\u5de5\u5177\uff1aModelSim-10.4-SE<\/p> \n

\u3000\u3000\u786c\u4ef6\u5e73\u53f0\uff1a<\/span><\/p> \n

\u3000\u30001\u3001FPGA\u578b\u53f7\uff1aXC6SLX45-2CSG324<\/p> \n

\u4e8c\u3001 \u539f\u7406\u4ecb\u7ecd<\/span><\/p> \n

\u3000\u3000\u6211\u7684\u5f00\u53d1\u677f\u4e0a\u67094\u4e2aLED\u706f\uff0c\u539f\u7406\u56fe\u5982\u4e0b\uff1a<\/p> \n

\u3000\u3000\"\"<\/p> \n

\u3000\u3000<\/p> \n

\u3000\u3000\u7531\u539f\u7406\u56fe\u53ef\u77e5\u4ec5\u5f53FPGA\u7684\u5bf9\u5e94\u7ba1\u811a\u8f93\u5165\u4f4e\u7535\u5e73\u65f6LED\u624d\u4f1a\u4eae\uff0c\u6d41\u6c34\u706f\u7684\u6548\u679c\u53ef\u4ee5\u8f6e\u6d41\u8ba9\u56db\u4e2a\u5bf9\u5e94\u7ba1\u811a\u8f93\u51fa\u4f4e\u7535\u5e73\u6765\u4ea7\u751f\u3002<\/p> \n

\u4e09\u3001 \u76ee\u6807\u4efb\u52a1<\/span><\/p> \n

\u3000\u3000\u7f16\u5199\u56db\u4e2aLED\u6d41\u6c34\u7684Verilog\u4ee3\u7801\u5e76\u7528ModelSim\u8fdb\u884c\u4eff\u771f\uff0c\u4eff\u771f\u901a\u8fc7\u4ee5\u540e\u4e0b\u8f7d\u5230\u5f00\u53d1\u677f\u8fdb\u884c\u6d4b\u8bd5\uff0c\u8981\u6c42\u5f00\u53d1\u677f\u4e0a\u6bcf\u4e2aLED\u4eae\u7684\u65f6\u95f4\u4e3a1s\u3002<\/p> \n

\u56db\u3001 \u8bbe\u8ba1\u601d\u8def\u4e0eVerilog\u4ee3\u7801\u7f16\u5199<\/span><\/p> \n

\u3000\u3000\u7531\u4e8e\u6bcf\u4e2aLED\u4eae\u7684\u65f6\u95f4\u4e3a1s\uff0c\u6240\u4ee5\u9996\u5148\u5f88\u81ea\u7136\u60f3\u5230\u4ea7\u751f\u4e00\u4e2a1s\u7684\u65f6\u949f\u7528\u6765\u9a71\u52a8\u540e\u7eed\u903b\u8f91\uff0c\u6709\u4e86\u8fd9\u4e2a1s\u7684\u65f6\u949f\u4ee5\u540e\uff0c\u5c31\u53ef\u4ee5\u5728\u8fd9\u4e2a1s\u65f6\u949f\u7684\u8282\u62cd\u4e0b\u5bf9LED\u7684\u8f93\u51fa\u8fdb\u884c\u4ee5\u79fb\u4f4d\u64cd\u4f5c\u6765\u4ea7\u751f\u6d41\u6c34\u706f\u7684\u6548\u679c\u3002<\/p> \n

 \u3000\u30001\u30011s\u65f6\u949f\u7684\u5206\u9891\u903b\u8f91<\/span><\/p> \n

\u3000\u3000\u3000\u7531\u4e8e\u4e3b\u65f6\u949f\u662f50MHz\uff0c\u5468\u671f\u4e3a20ns\uff0c\u6240\u4ee5\u53ef\u4ee5\u5229\u752850MHz\u4e3b\u65f6\u949f\u9a71\u52a8\u4e00\u4e2a\u8ba1\u6570\u5668\uff0c\u5f53\u8ba1\u6570\u5668\u7684\u503c\u6bcf\u6b21\u5230\u8fbe24999999\u65f6\uff0c\u6d88\u8017\u7684\u65f6\u95f4\u4e3a25000000*20ns=0.5s\uff0c\u8fd9\u65f6\u628a\u5206\u9891\u5668\u7684\u8f93\u51fa\u53cd\u8f6c\uff0c\u5e76\u628a\u8ba1\u6570\u503c\u6e050\uff0c\u8fd9\u6837\u5206\u9891\u5668\u7684\u8f93\u51fa\u5c31\u4f1a\u6bcf\u96940.5s\u7ffb\u8f6c\u4e00\u6b21\uff0c\u4ea7\u751f\u4e86\u4e00\u4e2a1s\u7684\u65f6\u949f\u3002<\/p> \n

\u3000\u3000Verilog\u4ee3\u7801\u5982\u4e0b\uff1a<\/p> \n

\n 
\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\n<\/span>\/\/<\/span> \u529f\u80fd\uff1a\u4ea7\u751f1s\u7684\u65f6\u949f<\/span>\r\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\n<\/span>always<\/span> @(posedge<\/span> I_clk or<\/span> negedge<\/span> I_rst_n)\r\n<\/span>begin<\/span>\r\n    if<\/span>(!I_rst_n)\r\n        <\/span>begin<\/span>\r\n            R_cnt_ls        <\/span><= 32<\/span>'<\/span>d0 ; <\/span>\r\n            R_clk_ls_reg    <= 1<\/span>'<\/span>b1  ;<\/span>\r\n        end<\/span> \r\n    else<\/span> if<\/span>(R_cnt_ls == 32<\/span>'<\/span>d24_999_999)<\/span>\r\n        begin<\/span>\r\n            R_cnt_ls        <\/span><= 32<\/span>'<\/span>d0          ;<\/span>\r\n            R_clk_ls_reg    <= ~R_clk_ls_reg  ;  \r\n        <\/span>end<\/span>\r\n    else<\/span>\r\n        R_cnt_ls <\/span><= R_cnt_ls + 1<\/span>'<\/span>b1 ;          <\/span>\r\nend<\/span>\r\n\r\nassign<\/span> W_clk_ls = R_clk_ls_reg ;<\/pre> \n <\/div> \n 
 <\/p> \n 
\u3000\u30002\u3001\u79fb\u4f4d\u903b\u8f91<\/span><\/p> \n 
\u3000\u3000\u6709\u4e861s\u7684\u65f6\u949f\u4fe1\u53f7\u4ee5\u540e\uff0c\u5c31\u5728\u8fd9\u4e2a1s\u65f6\u949f\u4fe1\u53f7\u7684\u9a71\u52a8\u4e0b\u5bf9\u8f93\u51fa\u7684LED\u5bc4\u5b58\u5668\u8fdb\u884c\u79fb\u4f4d\u64cd\u4f5c\u4ea7\u751f\u6d41\u6c34\u6548\u679c\u3002<\/p> \n 
\u3000\u3000Verilog\u4ee3\u7801\u5982\u4e0b\uff1a<\/p> \n 
 \n  
\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\n<\/span>\/\/<\/span> \u529f\u80fd\uff1a\u5bf9\u8f93\u51fa\u5bc4\u5b58\u5668\u8fdb\u884c\u79fb\u4f4d\u4ea7\u751f\u6d41\u6c34\u6548\u679c<\/span>\r\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\n<\/span>always<\/span> @(posedge<\/span> W_clk_ls or<\/span> negedge<\/span> I_rst_n)\r\n<\/span>begin<\/span>\r\n    if<\/span>(!I_rst_n) \r\n        R_led_out_reg <\/span><= 4<\/span>'<\/span>b0001 ; <\/span>\r\n    else<\/span> if<\/span>(R_led_out_reg == 4<\/span>'<\/span>b1000)<\/span>\r\n        R_led_out_reg <= 4<\/span>'<\/span>b0001 ;<\/span>\r\n    else<\/span>    \r\n        R_led_out_reg <\/span><= R_led_out_reg << 1<\/span> ;             \r\n<\/span>end<\/span>\r\n\r\nassign<\/span> O_led_out = ~R_led_out_reg ;<\/pre> \n <\/div> \n 
\u4e94\u3001 ModelSim\u4eff\u771f<\/span><\/p> \n 
\u3000\u3000\u5199\u597d\u903b\u8f91\u4ee5\u540e\uff0c\u4e3a\u4e86\u786e\u5b9a\u65f6\u5e8f\u662f\u6b63\u786e\u7684\uff0c\u6700\u597d\u5199\u4e00\u4e2a\u6d4b\u8bd5\u6587\u4ef6\u5bf9\u529f\u80fd\u8fdb\u884c\u4eff\u771f\uff0c\u4e3a\u4e86\u52a0\u5feb\u4eff\u771f\u901f\u5ea6\uff0c\u4fee\u6539\u5206\u9891\u903b\u8f91\u8ba1\u6570\u5668\u7684\u8ba1\u6570\u503c\u4e3a24\uff0c\u7136\u540e\u7f16\u5199\u6d4b\u8bd5\u6587\u4ef6\uff0c\u6d4b\u8bd5\u6587\u4ef6\u4e2d\u6fc0\u52b1\u4ea7\u751f\u7684Verilog\u4ee3\u7801\u5982\u4e0b\uff1a<\/p> \n 
 \n  
initial<\/span> begin<\/span>\r\n    \/\/<\/span> Initialize Inputs<\/span>\r\n    I_clk = 0<\/span>;\r\n    I_rst_n <\/span>= 0<\/span>;\r\n\r\n    <\/span>\/\/<\/span> Wait 100 ns for global reset to finish<\/span>\r\n    #100<\/span>;\r\n    I_rst_n <\/span>= 1<\/span>;\r\n    \r\n    <\/span>\/\/<\/span> Add stimulus here<\/span>\r\n\r\nend<\/span>\r\n\r\nalways<\/span> #10<\/span> I_clk = ~I_clk ;<\/pre> \n <\/div> \n 
 <\/p> \n 
\u3000\u3000\u4eff\u771f\u7684\u65f6\u5e8f\u56fe\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p> \n 
 <\/p> \n 
\"\"<\/p> \n 
\u53ef\u4ee5\u770b\u5230\u65f6\u5e8f\u5b8c\u5168\u6b63\u786e\uff0c\u63a5\u4e0b\u6765\u5c31\u662f\u7ed1\u5b9a\u7ba1\u811a\uff0c\u751f\u6210bit\u6587\u4ef6\u4e0b\u8f7d\u5230\u5f00\u53d1\u677f\u6d4b\u8bd5\u4e86\u3002<\/p> \n 
\u516d\u3001 \u8fdb\u4e00\u6b65\u601d\u8003\u2014\u2014C\u8bed\u8a00<\/a>\u6d41\u6c34\u706f\u4e0eVerilog\u6d41\u6c34\u706f\u533a\u522b<\/span><\/p> \n 
\u3000\u3000\u770b\u5b8c\u7f51\u4e0a\u300aVerilog\u90a3\u4e9b\u4e8b\u300b\u7cfb\u5217\u535a\u6587\u4ee5\u540e\uff0c\u4f5c\u8005\u63d0\u51fa\u4e86\u4e00\u79cd\u201c\u4eff\u987a\u5e8f\u64cd\u4f5c\u201d\u65b9\u6cd5\uff0c\u5176\u5b9e\u4ee5\u524d\u81ea\u5df1\u5199\u4ee3\u7801\u7684\u65f6\u5019\u65e0\u5f62\u4e4b\u4e2d\u4e00\u76f4\u5728\u7528\u8fd9\u79cd\u601d\u60f3\uff0c\u4f46\u662f\u4e00\u76f4\u6ca1\u6709\u63d0\u70bc\u51fa\u6765\uff0c\u770b\u5b8c\u4f5c\u8005\u7684\u4ecb\u7ecd\u4ee5\u540e\u624d\u53d1\u73b0\u786e\u5b9e\u662f\u6709\u90a3\u4e2a\u201c\u4eff\u987a\u5e8f\u201d\u7684\u5473\u9053\u3002\u8be6\u7ec6\u7684\u535a\u6587\u8bf7\u53c2\u8003\u535a\u5ba2\u56ed\u535a\u4e3bakuei2\u7684\u7cfb\u5217\u535a\u6587\u3002\u8fd9\u91cc\u6211\u5728\u603b\u7ed3\u4e00\u904d\uff0c\u7ed9\u4ee5\u540e\u7559\u4e2a\u5370\u8c61\u3002<\/p> \n 
\u3000\u3000C\u8bed\u8a00<\/a>\u5b9e\u73b0\u6d41\u6c34\u706f\u7684\u5927\u81f4\u4ee3\u7801\u6846\u67b6\u5982\u4e0b\uff1a<\/p> \n 
\u3000\u3000\u3000\u3000while(1)<\/p> \n 
\u3000\u3000\u3000\u3000{<\/p> \n 
\u3000\u3000\u3000\u3000\u3000\u30001\u3001\u8ba9\u7b2c1\u4e2aLED\u4eae\uff0c\u5176\u4ed6\u7684\u706d\uff1b<\/p> \n 
\u3000\u3000\u3000\u3000\u3000\u30002\u3001\u5ef6\u65f61s<\/p> \n 
\u3000\u3000\u3000\u3000\u3000\u30003\u3001\u8ba9\u7b2c2\u4e2aLED\u4eae\uff0c\u5176\u4ed6\u7684\u706d<\/p> \n 
\u3000\u3000\u3000\u3000\u3000\u30004\u3001\u5ef6\u65f61s<\/p> \n 
\u3000\u3000\u3000\u3000\u3000\u30005\u3001\u8ba9\u7b2c3\u4e2aLED\u4eae\uff0c\u5176\u4ed6\u7684\u706d\uff1b<\/p> \n 
\u3000\u3000\u3000\u3000\u3000\u30006\u3001\u5ef6\u65f61s<\/p> \n 
\u3000\u3000\u3000\u3000\u3000\u30007\u3001\u8ba9\u7b2c4\u4e2aLED\u4eae\uff0c\u5176\u4ed6\u7684\u706d<\/p> \n 
\u3000\u3000\u3000\u3000\u3000\u30008\u3001\u5ef6\u65f61s<\/p> \n 
    \u3000\u3000}<\/p> \n 
\u3000\u3000\u5728while(1)\u91cc\u9762\u4ee3\u7801\u662f\u4e00\u884c\u4e00\u884c\u7684\u6267\u884c\uff0c\u6700\u540e\u4e00\u884c\u6267\u884c\u5b8c\u6bd5\u4ee5\u540e\u5728\u56de\u5230\u7b2c\u4e00\u884c\u91cd\u65b0\u5f00\u59cb\u65b0\u4e00\u8f6e\u7684\u6267\u884c\u3002\u5c31\u8fd9\u6837\u4ea7\u751f\u4e86\u6d41\u6c34\u7684\u6548\u679c\u3002<\/p> \n 
\u3000\u3000\u770b\u5230\u8fd9\u91cc\uff0c\u6709\u4eba\u5e94\u8be5\u7a81\u7136\u660e\u767d\u4e86\u5427\uff0c\u8fd9\u4e0d\u6b63\u597d\u5c31\u662fVerilog\u4e2d\u7684\u4e00\u4e2a\u72b6\u6001\u673a\u4e48\u3002\u5bf9\u5e94\u7684Verilog\u4ee3\u7801\u4e5f\u53ef\u4ee5\u5199\u51fa\u6765\u4e86\u3000<\/p> \n 
\u3000\u3000always @(posedge I_clk)<\/p> \n 
\u3000\u3000begin<\/p> \n 
       \u3000\u3000case(R_state)<\/p> \n 
              \u3000\u3000\u7b2c1\u4e2a\u72b6\u6001\uff1a\u8ba9\u7b2c1\u4e2aLED\u4eae\uff0c\u5176\u4ed6\u7684\u706d\uff0c\u4e0b\u4e00\u72b6\u6001\u662f\u7b2c2\u4e2a\u72b6\u6001\uff1b<\/p> \n 
              \u3000\u3000\u7b2c2\u4e2a\u72b6\u6001\uff1a\u5ef6\u65f61s\uff0c\u4e0b\u4e00\u72b6\u6001\u662f\u7b2c3\u4e2a\u72b6\u6001\uff1b<\/p> \n 
              \u3000\u3000\u7b2c3\u4e2a\u72b6\u6001\uff1a\u8ba9\u7b2c2\u4e2aLED\u4eae\uff0c\u5176\u4ed6\u7684\u706d\uff0c\u4e0b\u4e00\u72b6\u6001\u662f\u7b2c4\u4e2a\u72b6\u6001\uff1b<\/p> \n 
              \u3000\u3000\u7b2c4\u4e2a\u72b6\u6001\uff1a\u5ef6\u65f61s\uff0c\u4e0b\u4e00\u72b6\u6001\u662f\u7b2c5\u4e2a\u72b6\u6001\uff1b<\/p> \n 
              \u3000\u3000\u7b2c5\u4e2a\u72b6\u6001\uff1a\u8ba9\u7b2c3\u4e2aLED\u4eae\uff0c\u5176\u4ed6\u7684\u706d\uff0c\u4e0b\u4e00\u72b6\u6001\u662f\u7b2c6\u4e2a\u72b6\u6001\uff1b<\/p> \n 
              \u3000\u3000\u7b2c6\u4e2a\u72b6\u6001\uff1a\u5ef6\u65f61s\uff0c\u4e0b\u4e00\u72b6\u6001\u662f\u7b2c7\u4e2a\u72b6\u6001\uff1b<\/p> \n 
      ","orderid":"0","title":"\u3010\u63a5\u53e3\u65f6\u5e8f\u30112\u3001Verilog\u5b9e\u73b0\u6d41\u6c34\u706f\u53ca\u4e0eC\u8bed\u8a00\u7684\u5bf9\u6bd4(\u4e00)","smalltitle":"","mid":"0","fname":"Verilog","special_id":"0","bak_id":"0","info":"0","hits":"190","pages":"3","comments":"0","posttime":"2019-09-03 03:42:43","list":"1567453363","username":"admin","author":"","copyfrom":"","copyfromurl":"","titlecolor":"","fonttype":"0","titleicon":"0","picurl":"https:\/\/www.cppentry.com\/upload_files\/","ispic":"0","yz":"1","yzer":"","yztime":"0","levels":"0","levelstime":"0","keywords":"\u63a5\u53e3<\/A> \u65f6\u5e8f<\/A> Verilog<\/A> \u5b9e\u73b0<\/A> \u6d41\u6c34<\/A> \u8bed\u8a00<\/A> \u5bf9\u6bd4<\/A>","jumpurl":"","iframeurl":"","style":"","template":"a:3:{s:4:\"head\";s:0:\"\";s:4:\"foot\";s:0:\"\";s:8:\"bencandy\";s:0:\"\";}","target":"0","ip":"120.229.33.54","lastfid":"0","money":"0","buyuser":"","passwd":"","allowdown":"","allowview":"","editer":"","edittime":"0","begintime":"0","endtime":"0","description":"\u3010\u63a5\u53e3\u65f6\u5e8f\u30112\u3001Verilog\u5b9e\u73b0\u6d41\u6c34\u706f\u53ca\u4e0eC\u8bed\u8a00\u7684\u5bf9\u6bd4","lastview":"1713034107","digg_num":"0","digg_time":"0","forbidcomment":"0","ifvote":"0","heart":"","htmlname":"","city_id":"0"},"page":"1"}