{"id":4151,"date":"2013-04-19T14:18:10","date_gmt":"2013-04-19T06:18:10","guid":{"rendered":"http:\/\/blog.dword1511.info\/?p=4151"},"modified":"2013-04-19T14:25:32","modified_gmt":"2013-04-19T06:25:32","slug":"pc-%e4%b8%8a%e8%af%bb%e5%86%99-dallas-1-wire-%e6%80%bb%e7%ba%bf%ef%bc%9a%e6%9b%b4%e7%ae%80%e5%8d%95%e6%98%93%e8%a1%8c%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"http:\/\/blog.dword1511.info\/?p=4151","title":{"rendered":"PC \u4e0a\u8bfb\u5199 Dallas 1-Wire \u603b\u7ebf\uff1a*\u66f4*\u7b80\u5355\u6613\u884c\u7684\u65b9\u6cd5"},"content":{"rendered":"<p>\u770b\u4e86\u300a <a title=\"PC \u4e0a\u8bfb\u5199 Dallas 1-Wire \u603b\u7ebf\u7b80\u5355\u6613\u884c\u7684\u65b9\u6cd5\" href=\"http:\/\/blog.dword1511.info\/?p=4139\" target=\"_blank\">PC \u4e0a\u8bfb\u5199 Dallas 1-Wire \u603b\u7ebf\u7b80\u5355\u6613\u884c\u7684\u65b9\u6cd5<\/a>\u300b\u5e76\u52a8\u624b\u5236\u4f5c\u4e86\u7684\u540c\u5b66\uff0c\u5f88\u9ad8\u5174\u5730\u544a\u8bc9\u4f60\u4eec\uff0c\u4f60\u4eec\u6d6a\u8d39\u4e86\u4fe9\u4e09\u6781\u7ba1\uff01\u5728\u7ecf\u8fc7\u4e00\u4e9b\u601d\u8003\u540e\u6211\u60f3\u51fa\u4e86\u4e00\u4e2a\u7b80\u5355\u5f97\u591a\u7684\u7535\u8def\uff0c\u53ea\u9700\u8981\u4e00\u4e2a\u7535\u963b\u548c\u4e00\u4e2a\u4e8c\u6781\u7ba1\u3002<\/p>\n<p><!--more--><\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2013\/04\/pp2od_rd.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4152\" alt=\"pp2od_rd\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2013\/04\/pp2od_rd-400x300.png\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2013\/04\/pp2od_rd-400x300.png 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2013\/04\/pp2od_rd.png 800w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u8fd9\u4e2a\u7535\u8def\u80fd\u4ee3\u6362\u5148\u524d\u7ed9\u51fa\u7684\u53cc\u4e09\u6781\u7ba1 PP \u8f6c OD \u7535\u8def\u3002D1 \u4f7f\u5f97 Bus master \u80fd\u6709\u6548\u5730\u62c9\u4f4e\u603b\u7ebf\uff0c\u800c\u7535\u963b R1 \u5219\u4fdd\u8bc1\u4e3b\u673a\u62c9\u9ad8\u3001\u4ece\u673a\u62c9\u4f4e\u65f6\u603b\u7ebf\u4e0a\u7684\u7535\u6d41\u4e0d\u4f1a\u8fc7\u5927\uff0c\u540c\u65f6 RX \u80fd\u83b7\u5f97\u4f4e\u7535\u5e73\u3002<\/p>\n<p>R1 \u7684\u53d6\u503c\u548c\u8fc7\u53bb\u4e00\u6837\uff0c200\u03a9 \u5230 20k\u03a9 \u5e94\u8be5\u90fd\u53ef\u4ee5\u5de5\u4f5c\uff0c\u7b14\u8005\u6d4b\u8bd5\u65f6\u7528\u7684\u662f\u968f\u624b\u6293\u6765\u7684 5.1k\u03a9 \u7535\u963b\u3002D1 \u7b14\u8005\u7528\u7684\u662f 1N4148 \uff0c1N5819 \u3001FR107 \u4e4b\u7c7b\u7684\u5e94\u8be5\u4e5f\u53ef\u4ee5\uff0c\u4e0d\u8fc7\u8fd9\u4e9b\u7ba1\u5b50\u7684\u4f53\u79ef\u548c 1N4148 \u76f8\u6bd4\u7565\u5927\u3002\u540c\u65f6\uff0c\u4e8c\u6781\u7ba1\u7684\u5bfc\u901a\u538b\u964d V<sub>F<\/sub> \u6700\u597d\u4e0d\u8981\u592a\u9ad8\u3002\u8003\u8651\u5230\u8fd9\u4e9b\uff0cD1 \u6700\u597d\u7528\u8096\u7279\u57fa\u7ba1\u3002<\/p>\n<p>PC \u4e0a\u7684\u7a0b\u5e8f\u4e0e\u5148\u524d\u7684\u76f8\u540c\uff0c\u65e0\u9700\u6539\u52a8\u3002<\/p>\n<p>\u540e\u6765\u53c8\u60f3\u4e86\u4e0b\uff0cUART \u8f6c\u6362\u5668\u8c8c\u4f3c\u90fd\u662f\u81ea\u5e26 RX \u62c9\u9ad8\u7684\u3002\u4e8e\u662f\uff0c\u7535\u963b R1 \u4e5f\u53ef\u4ee5\u7701\u4e86\uff0c\u8bd5\u4e86\u4e00\u4e0b\u679c\u7136\u53ef\u4ee5\u4f7f\u7528\u3002\u5f53\u7136\uff0c\u5982\u679c\u9700\u8981\u7528\u5230 One-wire \u7684\u5bc4\u751f\u4f9b\u7535\u7279\u6027\u7684\u8bdd\uff0c\u53ef\u4ee5\u5728 DQ \u548c Vcc \u95f4\u63a5\u4e00\u53ea\u963b\u503c\u5408\u9002\u7684\u7535\u963b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u770b\u4e86\u300a PC \u4e0a\u8bfb\u5199 Dallas 1-Wire \u603b\u7ebf\u7b80\u5355\u6613\u884c\u7684\u65b9\u6cd5\u300b\u5e76\u52a8\u624b\u5236\u4f5c\u4e86\u7684\u540c\u5b66\uff0c\u5f88\u9ad8\u5174\u5730\u544a\u8bc9\u4f60\u4eec\uff0c\u4f60 &hellip; <a href=\"http:\/\/blog.dword1511.info\/?p=4151\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">PC \u4e0a\u8bfb\u5199 Dallas 1-Wire \u603b\u7ebf\uff1a*\u66f4*\u7b80\u5355\u6613\u884c\u7684\u65b9\u6cd5<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false},"categories":[8],"tags":[],"_links":{"self":[{"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/posts\/4151"}],"collection":[{"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4151"}],"version-history":[{"count":4,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/posts\/4151\/revisions"}],"predecessor-version":[{"id":4155,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/posts\/4151\/revisions\/4155"}],"wp:attachment":[{"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4151"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4151"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}