{"id":229,"date":"2023-06-15T05:01:33","date_gmt":"2023-06-14T21:01:33","guid":{"rendered":"https:\/\/www.gzlcy.cn\/?p=229"},"modified":"2023-06-15T05:01:33","modified_gmt":"2023-06-14T21:01:33","slug":"fpga%ef%bc%885%ef%bc%89-vhdl-10%e5%8d%81%e8%bf%9b%e5%88%b6%e8%ae%a1%e6%95%b0%e5%99%a8%e5%8f%8a7%e6%ae%b5%e6%98%be%e7%a4%ba%e8%af%91%e7%a0%81%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.gzlcy.cn\/?p=229","title":{"rendered":"FPGA\uff085\uff09&#8211;VHDL&#8211;10\u5341\u8fdb\u5236\u8ba1\u6570\u5668\u53ca7\u6bb5\u663e\u793a\u8bd1\u7801\u5668"},"content":{"rendered":"<p>\u524d\u4e9b\u5929\u53d1\u73b0\u4e86\u4e00\u4e2a\u5de8\u725b\u7684\u4eba\u5de5\u667a\u80fd\u5b66\u4e60\u7535\u5b50\u4e66\uff0c\u901a\u4fd7\u6613\u61c2\uff0c\u98ce\u8da3\u5e7d\u9ed8\uff0c\u65e0\u5e7f\u544a\uff0c\u5fcd\u4e0d\u4f4f\u5206\u4eab\u4e00\u4e0b\u7ed9\u5927\u5bb6\u3002\uff08\u70b9\u51fb\u8df3\u8f6c\u4eba\u5de5\u667a\u80fd\u5b66\u4e60\u8d44\u6599\uff09<\/p>\n<p>\u4e00\u3001\u5b9e\u9a8c\u76ee\u7684<\/p>\n<p>\u638c\u63e1\u4e00\u822c\u6027\u8ba1\u6570\u5668\u7684VHDL\u8bbe\u8ba1\u65b9\u6cd5\uff0c\u719f\u6089\u7a0b\u5e8f\u6587\u672c\u548c\u539f\u7406\u56fe\u7ed3\u5408\u65b9\u6cd5\u8bbe\u8ba1\u7535\u8def\u3002\u638c\u63e1CASE\u8bed\u53e5\u7684\u57fa\u672c\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n<p>\u4e8c\u3001\u5b9e\u9a8c\u5185\u5bb9 \u9996\u5148\u7528VHDL\u8bed\u8a00\u8bbe\u8ba110\u8fdb\u5236\u8ba1\u6570\u5668\uff0c\u8981\u6c42\u7535\u8def\u5177\u6709\u590d\u4f4d\u7aef\u548c\u4f7f\u80fd\u7aef\uff0c\u4eff\u771f<a href='https:\/\/www.gzlcy.cn\/?p=201' title='\u9a8c\u8bc1' target='_blank' rel=\"noopener\">\u9a8c\u8bc1<\/a>\u5176\u6b63\u786e\u6027\uff0c\u5e76\u5c06\u5176\u5c01\u88c5\u6210\u4e00\u4e2a\u5143\u4ef6\uff1b\u7528\u4e24\u4e2a10\u8fdb\u5236\u8ba1\u6570\u5668\u6269\u5c55\u6210\u4e00\u4e2a100\u8fdb\u5236\u8ba1\u6570\u5668\uff0c\u6ce8\u610f\u4e24\u4e2a10\u8fdb\u5236\u8ba1\u6570\u5668\u95f4\u7ba1\u811a\u7684\u8fde\u63a5\u65b9\u5f0f\uff0c\u753b\u51fa\u5176\u539f\u7406\u56fe\u5e76\u7528QUARTUS\u2161\u8f6f\u4ef6\u4eff\u771f\u9a8c\u8bc1\uff0c\u4eff\u771f\u9a8c\u8bc1\u6240\u8bbe\u8ba1\u7535\u8def\u7684\u529f\u80fd;\u9996\u5148\u7528CASE\u8bed\u53e5\u8bbe\u8ba17\u6bb5\u663e\u793a\u8bd1\u7801\u5668\u7535\u8def\uff0c\u4eff\u771f\u9a8c\u8bc1\u5176\u6b63\u786e\u6027\uff0c\u5e76\u5c06\u5176\u5c01\u88c5\u6210\u4e00\u4e2a\u5143\u4ef6\uff1b\u75287\u6bb5\u663e\u793a\u8bd1\u7801\u5668\u5c06100\u8fdb\u5236\u8ba1\u6570\u5668\u7684\u4e24\u7ec44\u4f4d\u4e8c\u8fdb\u5236\u8f93\u51fa\u8f6c\u6362\u4e3a10\u8fdb\u5236\u663e\u793a\uff0c\u753b\u51fa\u5176\u539f\u7406\u56fe\u5e76\u7528QUARTUS\u2161\u8f6f\u4ef6\u4eff\u771f\u9a8c\u8bc1.<\/p>\n<p><img src='https:\/\/img-blog.csdnimg.cn\/20210714203635674.png' alt='\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0' \/><\/p>\n<p><img src='https:\/\/img-blog.csdnimg.cn\/20210714203642523.png' alt='\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0' \/><\/p>\n<p>\u4e09\u3001\u5b9e\u9a8c\u8bbe\u8ba1<\/p>\n<p>1.\u9996\u5148\u7528VHDL\u8bed\u8a00\u8bbe\u8ba1\u4e00\u4e2a10\u8fdb\u5236\u8ba1\u6570\u5668\uff0c\u8be5\u8ba1\u6570\u5668\u5177\u6709\u590d\u4f4d\u7aef\u548c\u4f7f\u80fd\u7aef\uff0c\u56e0\u6b64\u9700\u8981\u4f7f\u7528\u6761\u4ef6\u8bed\u53e5\u5b9e\u73b0\u5176\u529f\u80fd\uff0c\u5e76\u4e14\u5e94\u8be5\u662f\u56db\u4f4d\u7684\u8f93\u5165\u8f93\u51fa\u3002VHDL\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<p><pre><code class=\"prism language-bash\">Library ieee<span class=\"token punctuation\">;<\/span>\nUse ieee.Std_Logic_1164.All<span class=\"token punctuation\">;<\/span>\nUse ieee.Std_Logic_Unsigned.All<span class=\"token punctuation\">;<\/span>\nEntity count10 is\n\tport<span class=\"token punctuation\">(<\/span>clk,rst,en,load: <span class=\"token keyword\">in<\/span> Std_Logic<span class=\"token punctuation\">;<\/span>\n\t\t\t\t\tdata: <span class=\"token keyword\">in<\/span> Std_Logic_Vector <span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span> downto <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n\t\t\t\t\tdout: out Std_Logic_Vector <span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span> downto <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n\t\t\t\t\tcout: out Std_Logic<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\nEnd Entity count10<span class=\"token punctuation\">;<\/span>\nArchitecture bhv of count10 is\nbegin\n\tprocess <span class=\"token punctuation\">(<\/span>clk,rst,en,load<span class=\"token punctuation\">)<\/span>\n\t\tvariable q: Std_Logic_Vector <span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span> downto <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n\t\tbegin\n\t\t\t<span class=\"token keyword\">if<\/span> <span class=\"token assign-left variable\">rst<\/span><span class=\"token operator\">=<\/span><span class=\"token string\">&#039;0&#039;<\/span> <span class=\"token keyword\">then<\/span> q:<span class=\"token operator\">=<\/span><span class=\"token punctuation\">(<\/span>others<span class=\"token operator\">=<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token string\">&#039;0&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n\t\t\telsif clk <span class=\"token string\">&#039;event and clk=&#039;<\/span><span class=\"token number\">1<\/span><span class=\"token string\">&#039; then\n\t\t\t\tif en=&#039;<\/span><span class=\"token number\">1<\/span><span class=\"token string\">&#039; then\n\t\t\t\t\tif (load=&#039;<\/span><span class=\"token number\">0<\/span><span class=\"token string\">&#039;) then q:=data; else\n\t\t\t\t\t\tif q&#039;<\/span><span class=\"token number\">0<\/span><span class=\"token string\">&#039;);\n\t\t\t\t\t\tend if;\n\t\t\t\t\tend if;\n\t\t\t\tend if;\n\t\t\tend if;\n\t\t\tif q=\"1001\" then cout&lt;=&#039;<\/span><span class=\"token number\">1<\/span><span class=\"token string\">&#039;;\n\t\t\telse cout&lt;=&#039;<\/span><span class=\"token number\">0<\/span>&#039;<span class=\"token punctuation\">;<\/span>\n\t\t\tend <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">;<\/span>\n\t\t\tdout<span class=\"token operator\">&lt;=<\/span>q<span class=\"token punctuation\">;<\/span>\n\tEnd process<span class=\"token punctuation\">;<\/span>\nEnd Architecture bhv<span class=\"token punctuation\">;<\/span>\n<\/code><\/pre>\n<\/p>\n<p>\u9a8c\u8bc1\u5176\u6b63\u786e\u6027\uff0c\u4eff\u771f\u6ce2\u5f62\u56fe\u5982\u4e0b\uff1a<\/p>\n<p><img src='https:\/\/img-blog.csdnimg.cn\/20210714203815328.png' alt='\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0' \/><\/p>\n<p>2. \u7528\u4e24\u4e2a10\u8fdb\u5236\u8ba1\u6570\u5668\u6269\u5c55\u6210\u4e00\u4e2a100\u8fdb\u5236\u8ba1\u6570\u5668\uff0c\u6ce8\u610f\u5176\u5f15\u811a\u7684\u8fde\u63a5\u65b9\u5f0f\u3002<\/p>\n<p><img src='https:\/\/img-blog.csdnimg.cn\/2021071420383514.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2NjUzODA1,size_16,color_FFFFFF,t_70' alt='\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0' \/><\/p>\n<p>\u4eff\u771f\u9a8c\u8bc1\u5176\u6b63\u786e\u6027\uff0c\u6ce2\u5f62\u56fe\u5982\u4e0b\uff1a<\/p>\n<p><img src='https:\/\/img-blog.csdnimg.cn\/20210714203854131.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2NjUzODA1,size_16,color_FFFFFF,t_70' alt='\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0' \/><\/p>\n<p>3. \u7528CASE\u8bed\u53e5\u8bbe\u8ba17\u6bb5\u663e\u793a\u8bd1\u7801\u5668\u7535\u8def\uff0c\u6839\u636e\u4e0d\u540c\u6570\u5b57\u5bf9\u5e94\u663e\u793a\u4e0d\u540c\u6570\u7801\u7ba1\u7684\u60c5\u51b5\uff0c\u8bbe\u8ba1\u6b63\u786e\u7684\u5bf9\u5e94\u5173\u7cfb\u3002VHDL\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<p><pre><code class=\"prism language-bash\">LIBRARY IEEE<span class=\"token punctuation\">;<\/span>\nUSE IEEE.STD_LOGIC_1164.ALL <span class=\"token punctuation\">;<\/span>\nuse Ieee.std_logic_unsigned.all<span class=\"token punctuation\">;<\/span>\nentity led7 is\n\tport <span class=\"token punctuation\">(<\/span>indata: <span class=\"token keyword\">in<\/span> std_logic_vector<span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span> downto <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n\t\t  odata: out std_logic_vector<span class=\"token punctuation\">(<\/span><span class=\"token number\">6<\/span> downto <span class=\"token number\">0<\/span><span class=\"token punctuation\">))<\/span><span class=\"token punctuation\">;<\/span>\nend entity led7<span class=\"token punctuation\">;<\/span>\narchitecture bhv of led7 is\n\tbegin\n\tprocess <span class=\"token punctuation\">(<\/span>indata<span class=\"token punctuation\">)<\/span>\n\tbegin\n\t\t<span class=\"token keyword\">case<\/span> <span class=\"token punctuation\">(<\/span>indata<span class=\"token punctuation\">)<\/span> is\n\t\t\twhen <span class=\"token string\">\"0000\"<\/span> <span class=\"token operator\">=<\/span><span class=\"token operator\">&gt;<\/span> odata<span class=\"token operator\">&lt;=<\/span> <span class=\"token string\">\"0111111\"<\/span> <span class=\"token punctuation\">;<\/span>\n\t\t\twhen <span class=\"token string\">\"0001\"<\/span> <span class=\"token operator\">=<\/span><span class=\"token operator\">&gt;<\/span> odata<span class=\"token operator\">&lt;=<\/span> <span class=\"token string\">\"0001110\"<\/span> <span class=\"token punctuation\">;<\/span>\n\t\t\twhen <span class=\"token string\">\"0010\"<\/span> <span class=\"token operator\">=<\/span><span class=\"token operator\">&gt;<\/span> odata<span class=\"token operator\">&lt;=<\/span> <span class=\"token string\">\"1011011\"<\/span> <span class=\"token punctuation\">;<\/span>\n\t\t\twhen <span class=\"token string\">\"0011\"<\/span> <span class=\"token operator\">=<\/span><span class=\"token operator\">&gt;<\/span> odata<span class=\"token operator\">&lt;=<\/span> <span class=\"token string\">\"1001111\"<\/span> <span class=\"token punctuation\">;<\/span>\n\t\t\twhen <span class=\"token string\">\"0100\"<\/span> <span class=\"token operator\">=<\/span><span class=\"token operator\">&gt;<\/span> odata<span class=\"token operator\">&lt;=<\/span> <span class=\"token string\">\"1100110\"<\/span> <span class=\"token punctuation\">;<\/span>\n\t\t\twhen <span class=\"token string\">\"0101\"<\/span> <span class=\"token operator\">=<\/span><span class=\"token operator\">&gt;<\/span> odata<span class=\"token operator\">&lt;=<\/span> <span class=\"token string\">\"1101101\"<\/span> <span class=\"token punctuation\">;<\/span>\n\t\t\twhen <span class=\"token string\">\"0110\"<\/span> <span class=\"token operator\">=<\/span><span class=\"token operator\">&gt;<\/span> odata<span class=\"token operator\">&lt;=<\/span> <span class=\"token string\">\"1111101\"<\/span> <span class=\"token punctuation\">;<\/span>\n\t\t\twhen <span class=\"token string\">\"0111\"<\/span> <span class=\"token operator\">=<\/span><span class=\"token operator\">&gt;<\/span> odata<span class=\"token operator\">&lt;=<\/span> <span class=\"token string\">\"0000111\"<\/span> <span class=\"token punctuation\">;<\/span>\n\t\t\twhen <span class=\"token string\">\"1000\"<\/span> <span class=\"token operator\">=<\/span><span class=\"token operator\">&gt;<\/span> odata<span class=\"token operator\">&lt;=<\/span> <span class=\"token string\">\"1111111\"<\/span> <span class=\"token punctuation\">;<\/span>\n\t\t\twhen <span class=\"token string\">\"1001\"<\/span> <span class=\"token operator\">=<\/span><span class=\"token operator\">&gt;<\/span> odata<span class=\"token operator\">&lt;=<\/span> <span class=\"token string\">\"1101111\"<\/span> <span class=\"token punctuation\">;<\/span>\n\t\t\twhen others <span class=\"token operator\">=<\/span><span class=\"token operator\">&gt;<\/span> null<span class=\"token punctuation\">;<\/span>\n\t\tend <span class=\"token keyword\">case<\/span><span class=\"token punctuation\">;<\/span>\n\tend process<span class=\"token punctuation\">;<\/span>\nend architecture bhv<span class=\"token punctuation\">;<\/span>\n<\/code><\/pre>\n<\/p>\n<p>\u5c06\u5176\u5c01\u88c5\u6210\u4e00\u4e2a\u5143\u4ef6\u3002\u5728VHDL\u63cf\u8ff0\u9875\u9762\uff0c\u9009file\u2192create\/update\u2192create symbol files for current file\uff0c\u628a\u7f16\u5199\u7684\u4ee3\u7801\u5c01\u88c5\u6210\u4e00\u4e2a\u5143\u4ef6\u3002<\/p>\n<p><img src='https:\/\/img-blog.csdnimg.cn\/20210714204029651.png' alt='\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0' \/><\/p>\n<p>\u75287\u6bb5\u663e\u793a\u8bd1\u7801\u5668\u5c06100\u8fdb\u5236\u8ba1\u6570\u5668\u7684\u4e24\u7ec44\u4f4d\u4e8c\u8fdb\u5236\u8f93\u51fa\u8f6c\u6362\u4e3a10\u8fdb\u5236\u663e\u793a\u3002\u539f\u7406\u56fe\u5982\u4e0b\uff1a<\/p>\n<p><img src='https:\/\/img-blog.csdnimg.cn\/20210714204046177.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2NjUzODA1,size_16,color_FFFFFF,t_70' alt='\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0' \/><\/p>\n<p>\u9a8c\u8bc1\u5176\u6b63\u786e\u6027\uff0c\u4eff\u771f\u6ce2\u5f62\u5982\u4e0b\uff1a<\/p>\n<p><img src='https:\/\/img-blog.csdnimg.cn\/20210714204106829.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2NjUzODA1,size_16,color_FFFFFF,t_70' alt='\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0' \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u76ee\u5f55\u4e00\u3001\u5b9e\u9a8c\u76ee\u7684\u4e8c\u3001\u5b9e\u9a8c\u5185\u5bb9\u4e09\u3001\u5b9e\u9a8c\u8bbe\u8ba1\u4e00\u3001\u5b9e\u9a8c\u76ee\u7684\u638c\u63e1\u4e00\u822c\u6027\u8ba1\u6570\u5668\u7684VHDL\u8bbe\u8ba1\u65b9\u6cd5\uff0c\u719f\u6089\u7a0b\u5e8f\u6587\u672c\u548c\u539f\u7406\u56fe\u7ed3\u5408\u65b9\u6cd5\u8bbe\u8ba1\u7535\u8def\u3002\u638c\u63e1CASE\u8bed\u53e5\u7684\u57fa\u672c\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[424,426,423,425,354],"_links":{"self":[{"href":"https:\/\/www.gzlcy.cn\/index.php?rest_route=\/wp\/v2\/posts\/229"}],"collection":[{"href":"https:\/\/www.gzlcy.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gzlcy.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gzlcy.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gzlcy.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=229"}],"version-history":[{"count":0,"href":"https:\/\/www.gzlcy.cn\/index.php?rest_route=\/wp\/v2\/posts\/229\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.gzlcy.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gzlcy.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gzlcy.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}