{"id":98543,"date":"2024-10-28T09:49:40","date_gmt":"2024-10-28T01:49:40","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=98543"},"modified":"2024-10-28T09:49:44","modified_gmt":"2024-10-28T01:49:44","slug":"djkhrqb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/98543.html","title":{"rendered":"DB9\u63a5\u53e3\u548cRS232\u533a\u522b"},"content":{"rendered":"\n

\u3000\u3000DB9\u63a5\u53e3<\/strong>\u548cRS232<\/strong>\u662f\u4e24\u4e2a\u5728\u4e32\u884c\u901a\u4fe1\u4e2d\u5e38\u89c1\u7684\u672f\u8bed\uff0c\u5b83\u4eec\u4e4b\u95f4\u6709\u5bc6\u5207\u7684\u5173\u7cfb\uff0c\u4f46\u4e5f\u6709\u660e\u663e\u7684\u533a\u522b\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 DB9\u63a5\u53e3\u548cRS232\u7684\u533a\u522b\u7b80\u4ecb<\/h2>\n\n\n\n

\u3000\u30001. \u5b9a\u4e49\u548c\u7528\u9014<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000RS232<\/strong>(Recommended Standard 232)\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\u534f\u8bae\u6807\u51c6\uff0c\u5b9a\u4e49\u4e86\u6570\u636e\u901a\u4fe1\u7684\u89c4\u8303\u548c\u4fe1\u53f7\u7535\u5e73\u6807\u51c6\u3002\u5b83\u4e3b\u8981\u7528\u4e8e\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u4e32\u884c\u6570\u636e\u4f20\u8f93\uff0c\u5982\u8c03\u5236\u89e3\u8c03\u5668\u3001\u6253\u5370\u673a\u7b49\u3002<\/p>\n\n\n\n

\u3000\u3000DB9<\/strong>\u63a5\u53e3\uff0c\u53c8\u79f0\u4e3aDE-9\u63a5\u53e3\u6216\u6807\u51c69\u9488D-Sub\u63a5\u53e3\uff0c\u662f\u4e00\u79cd\u7269\u7406\u8fde\u63a5\u5668\uff0c\u7528\u4e8e\u5b9e\u73b0RS232\u534f\u8bae\u7684\u7269\u7406\u8fde\u63a5\u3002\u5b83\u63d0\u4f9b\u4e869\u4e2a\u9488\u811a\uff0c\u7528\u4e8e\u4f20\u8f93\u6570\u636e\u548c\u63a7\u5236\u4fe1\u53f7\u3002<\/p>\n\n\n\n

\u3000\u30002. \u7269\u7406\u8fde\u63a5<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000RS232\u534f\u8bae\u901a\u5e38\u4f7f\u7528DB9\u8fde\u63a5\u5668\u6765\u5b9e\u73b0\u7269\u7406\u8fde\u63a5\u3002DB9\u8fde\u63a5\u5668\u63d0\u4f9b\u4e869\u4e2a\u9488\u811a\uff0c\u7528\u4e8e\u8fde\u63a5\u4e32\u884c\u8bbe\u5907\uff0c\u5982\u8ba1\u7b97\u673a\u548c\u6253\u5370\u673a\u3002<\/p>\n\n\n\n

\u3000\u3000DB9\u8fde\u63a5\u5668\u6709\u4e24\u79cd\u7c7b\u578b\uff1a\u516c\u5934\u548c\u6bcd\u5934\u3002\u516c\u5934\u6709\u9488\u811a\uff0c\u6bcd\u5934\u6709\u63d2\u69fd\u3002\u5728\u8fde\u63a5\u65f6\uff0c\u76f8\u540c\u5e8f\u53f7\u7684\u5f15\u811a\u76f8\u8fde\u63a5\u3002<\/p>\n\n\n\n

\u3000\u30003. \u7279\u70b9\u548c\u4f18\u52bf<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000RS232\u534f\u8bae\u7684\u7279\u70b9\u5305\u62ec\u4f7f\u7528\u6a21\u5177\u7f69\u548c\u62c7\u6307\u87ba\u4e1d\u786e\u4fdd\u5b89\u5168\u8fde\u63a5\uff0c\u4ee5\u53ca\u6240\u6709\u4e5d\u4e2a\u5f15\u811a\u91c7\u7528\u76f4\u901a\u7ebf\u8bbe\u8ba1\u3002<\/p>\n\n\n\n

\u3000\u3000DB9\u8fde\u63a5\u5668\u7684\u7279\u70b9\u662f\u63d0\u4f9b9\u4e2a\u9488\u811a\u7684\u4e32\u884c\u8fde\u63a5\uff0c\u5177\u6709\u6d6a\u6d8c\u6291\u5236\u529f\u80fd\uff0c\u4fdd\u62a4\u6570\u636e\u7ec8\u7aef\u548c\u901a\u4fe1\u8bbe\u5907\u3002<\/p>\n\n\n\n

\u3000\u30004. \u5e94\u7528\u573a\u666f<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000RS232\u5e7f\u6cdb\u5e94\u7528\u4e8e\u9700\u8981\u4e32\u884c\u901a\u4fe1\u7684\u8bbe\u5907\uff0c\u5982\u8ba1\u7b97\u673a\u3001\u6253\u5370\u673a\u3001\u8c03\u5236\u89e3\u8c03\u5668\u7b49\u3002<\/p>\n\n\n\n

\u3000\u3000DB9\u63a5\u53e3\u56e0\u5176\u7d27\u51d1\u3001\u4fbf\u5b9c\u4e14\u4e0e\u5927\u591a\u6570\u5efa\u7b51\u7269\u548c\u6570\u636e\u4e2d\u5fc3\u4e2d\u73b0\u6709\u7684\u7535\u8bdd\u548c\u4ee5\u592a\u7f51\u5e03\u7ebf\u7cfb\u7edf\u517c\u5bb9\u800c\u88ab\u5e7f\u6cdb\u4f7f\u7528\u3002<\/p>\n\n\n\n

\u3000\u30005. \u672a\u6765\u53d1\u5c55<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u968f\u7740\u6280\u672f\u7684\u53d1\u5c55\uff0c\u4e00\u4e9b\u7cfb\u7edf\u5f00\u59cb\u4f7f\u7528USB\u63a5\u53e3\u53d6\u4ee3\u4f20\u7edf\u7684DB9 RS232\u63a5\u53e3\uff0c\u4ee5\u63d0\u4f9b\u66f4\u5f3a\u5927\u7684\u529f\u80fd\u548c\u66f4\u597d\u7684\u517c\u5bb9\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000DB9\u63a5\u53e3\u662fRS232\u534f\u8bae\u7684\u7269\u7406\u5b9e\u73b0\u65b9\u5f0f\uff0cRS232\u534f\u8bae\u5b9a\u4e49\u4e86\u6570\u636e\u901a\u4fe1\u7684\u89c4\u8303\u548c\u4fe1\u53f7\u7535\u5e73\u6807\u51c6\uff0c\u800cDB9\u63a5\u53e3\u5219\u63d0\u4f9b\u4e86\u5b9e\u73b0\u8fd9\u4e9b\u89c4\u8303\u7684\u7269\u7406\u8fde\u63a5\u3002\u4e24\u8005\u5171\u540c\u6784\u6210\u4e86\u4e32\u884c\u901a\u4fe1\u7684\u57fa\u7840\u3002<\/strong><\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 DB9\u63a5\u53e3\u548cRS232\u534f\u8bae\u7684\u5386\u53f2\u53d1\u5c55\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

\u3000\u3000DB9\u63a5\u53e3\u548cRS232\u534f\u8bae\u7684\u5386\u53f2\u53d1\u5c55\u7d27\u5bc6\u76f8\u8fde\uff0c\u5b83\u4eec\u5171\u540c\u63a8\u52a8\u4e86\u8ba1\u7b97\u673a\u901a\u4fe1\u6280\u672f\u7684\u8fdb\u6b65\u3002<\/p>\n\n\n\n

\u3000\u3000RS232\u534f\u8bae\u6700\u521d\u7531\u7f8e\u56fd\u7535\u5b50\u5de5\u4e1a\u534f\u4f1a(EIA)\u57281960\u5e74\u4ee3\u5236\u5b9a\uff0c\u7528\u4e8e\u5b9a\u4e49\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\u3002RS232\u534f\u8bae\u7684\u8d77\u6e90\u53ef\u4ee5\u8ffd\u6eaf\u52301962\u5e74\uff0c\u5f53\u65f6EIA\/TIA(\u7535\u4fe1\u5de5\u4e1a\u534f\u4f1a)\u5236\u5b9a\u4e86\u8fd9\u4e00\u65e7\u4e32\u884c\u901a\u4fe1\u534f\u8bae\u3002RS232\u534f\u8bae\u7684\u8bbe\u8ba1\u76ee\u7684\u662f\u786e\u4fdd\u4e0d\u540c\u5236\u9020\u5546\u751f\u4ea7\u7684\u6570\u636e\u901a\u4fe1\u8bbe\u5907\u4e4b\u95f4\u7684\u517c\u5bb9\u6027\uff0c\u5e76\u4e14\u5b83\u7ecf\u5386\u4e86\u591a\u6b21\u4fee\u6539\u548c\u66f4\u540d\uff0c\u6210\u4e3a\u76ee\u524d\u4f7f\u7528\u6700\u5e7f\u6cdb\u7684\u4e32\u884cI\/O\u63a5\u53e3\u6807\u51c6\u3002<\/p>\n\n\n\n

\u3000\u3000\u968f\u7740\u6280\u672f\u7684\u53d1\u5c55\uff0c\u8bbe\u5907\u5236\u9020\u5546\u503e\u5411\u4e8e\u4f53\u79ef\u66f4\u5c0f\u3001\u6210\u672c\u66f4\u4f4e\u7684\u63a5\u53e3\u3002\u56e0\u6b64\uff0cDB25\u63a5\u53e3\u4e2d\u672a\u4f7f\u7528\u7684\u548c\u652f\u6301\u540c\u6b65\u6a21\u5f0f\u7684\u5f15\u811a\u88ab\u53bb\u6389\uff0c\u5f62\u6210\u4e86\u73b0\u5728\u7684DB9\u63a5\u53e3\u3002DB9\u63a5\u53e3\u6700\u65e9\u7531Canno\u8bbe\u8ba1\uff0c\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u6570\u636e\u4f20\u8f93\u63a5\u53e3\uff0c\u901a\u5e38\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\u3002\u5c3d\u7ba1DB9\u63a5\u53e3\u5df2\u7ecf\u4e0d\u518d\u662f\u6700\u5148\u8fdb\u7684\u4eba\u673a\u63a5\u53e3\u6280\u672f\uff0c\u4f46\u5b83\u5728\u5386\u53f2\u4e0a\u626e\u6f14\u4e86\u4e00\u4e2a\u91cd\u8981\u7684\u89d2\u8272\uff0c\u63a8\u52a8\u4e86\u65e9\u671f\u8ba1\u7b97\u673a\u901a\u4fe1\u6280\u672f\u7684\u53d1\u5c55\uff0c\u5e76\u5728\u5f88\u957f\u4e00\u6bb5\u65f6\u95f4\u5185\u90fd\u662f\u8fde\u63a5\u4e0d\u540c\u8bbe\u5907\u7684\u53ef\u9760\u9009\u62e9\u3002<\/p>\n\n\n\n

\u3000\u3000RS232\u534f\u8bae\u548cDB9\u63a5\u53e3\u7684\u53d1\u5c55\u5386\u7a0b\u5c55\u793a\u4e86\u8ba1\u7b97\u673a\u901a\u4fe1\u6280\u672f\u7684\u8fdb\u6b65\u548c\u6f14\u53d8\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001 RS232\u534f\u8bae\u5728\u73b0\u4ee3\u901a\u4fe1\u4e2d\u7684\u5e94\u7528\u6709\u54ea\u4e9b\u9650\u5236?<\/h2>\n\n\n\n

\u3000\u3000RS232\u534f\u8bae\u5728\u73b0\u4ee3\u901a\u4fe1\u4e2d\u7684\u5e94\u7528\u5b58\u5728\u4e00\u4e9b\u9650\u5236\uff0c\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u3000\u4f20\u8f93\u901f\u7387\u4f4e<\/strong>\uff1aRS232\u534f\u8bae\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u901a\u5e38\u8f83\u4f4e\uff0c\u5f02\u6b65\u901a\u4fe1\u901f\u7387\u901a\u5e38\u9650\u5236\u572819.2Kbps\u4ee5\u4e0b\uff0c\u5bf9\u4e8e\u67d0\u4e9b\u9700\u8981\u9ad8\u901f\u4f20\u8f93\u7684\u5e94\u7528\u573a\u666f\u6765\u8bf4\uff0c\u96be\u4ee5\u6ee1\u8db3\u8981\u6c42\u3002\u6b64\u5916\uff0c\u6700\u9ad8\u6ce2\u7279\u7387\u901a\u5e38\u4e3a115200bps\uff0c\u8fd9\u5728\u73b0\u4ee3\u9ad8\u901f\u901a\u4fe1\u9700\u6c42\u4e0b\u663e\u5f97\u4e0d\u8db3\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u4f20\u8f93\u8ddd\u79bb\u77ed<\/strong>\uff1aRS232\u534f\u8bae\u7684\u4f20\u8f93\u8ddd\u79bb\u6709\u9650\uff0c\u4e00\u822c\u7535\u7f06\u957f\u5ea6\u9650\u5236\u572815\u7c73\u4ee5\u5185\uff0c\u751a\u81f3\u6709\u4e9b\u60c5\u51b5\u4e0b\u4ec5\u80fd\u652f\u6301\u523050\u82f1\u5c3a\u5de6\u53f3\u3002\u8fd9\u4f7f\u5f97\u5b83\u5728\u957f\u8ddd\u79bb\u901a\u4fe1\u65b9\u9762\u53d7\u5230\u9650\u5236\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u6297\u5e72\u6270\u80fd\u529b\u5dee<\/strong>\uff1aRS232\u534f\u8bae\u4f7f\u7528\u5355\u7aef\u4fe1\u53f7\u4f20\u8f93\uff0c\u5bb9\u6613\u53d7\u5230\u566a\u58f0\u5e72\u6270\uff0c\u4e14\u63a5\u53e3\u5904\u4fe1\u53f7\u95f4\u5bb9\u6613\u4ea7\u751f\u4e32\u6270\uff0c\u5bfc\u81f4\u6297\u5e72\u6270\u80fd\u529b\u8f83\u5dee\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u63a5\u53e3\u590d\u6742\u5ea6\u9ad8<\/strong>\uff1aRS232\u63a5\u53e3\u7684\u590d\u6742\u5ea6\u8f83\u9ad8\uff0c\u9700\u8981\u6b63\u8d1f\u7535\u6e90\u4f9b\u7535\uff0c\u589e\u52a0\u4e86\u7535\u6e90\u8bbe\u8ba1\u7684\u590d\u6742\u6027\uff0c\u5e76\u4e14\u7535\u538b\u6446\u52a8\u8981\u6c42\u4e5f\u9650\u5236\u4e86\u517c\u5bb9\u63a5\u53e3\u7684\u4e0a\u9650\u901f\u5ea6\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u70b9\u5bf9\u70b9\u901a\u4fe1\u9650\u5236<\/strong>\uff1aRS232\u534f\u8bae\u4e3b\u8981\u7528\u4e8e\u70b9\u5bf9\u70b9\u901a\u4fe1\uff0c\u4e0d\u9002\u5408\u591a\u70b9\u901a\u4fe1\u6216\u590d\u6742\u7684\u7f51\u7edc\u7ed3\u6784\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000\u56db\u3001 \u5982\u4f55\u901a\u8fc7DB9\u63a5\u53e3\u5b9e\u73b0RS232\u534f\u8bae\u7684\u9ad8\u7ea7\u529f\u80fd?<\/h2>\n\n\n\n

    \u3000\u3000\u8981\u901a\u8fc7DB9\u63a5\u53e3\u5b9e\u73b0RS232\u534f\u8bae\u7684\u9ad8\u7ea7\u529f\u80fd\uff0c\u4f8b\u5982\u6570\u636e\u52a0\u5bc6\u548c\u9519\u8bef\u68c0\u6d4b\uff0c\u53ef\u4ee5\u53c2\u8003\u4ee5\u4e0b\u6b65\u9aa4\u548c\u65b9\u6cd5\uff1a<\/p>\n\n\n\n

    \u3000\u3000RS232\u662f\u4e00\u79cd\u6807\u51c6\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u4f7f\u7528\u4e00\u5bf9\u4f20\u8f93\u548c\u63a5\u6536\u6570\u636e\u7684\u5f15\u811a\u6765\u5b9e\u73b0\u6570\u636e\u4f20\u8f93\u3002DB9\u63a5\u53e3\u662f\u4e00\u79cd9\u9488D\u578b\u5b50\u8fde\u63a5\u5668\uff0c\u5e38\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\u3002RS232\u534f\u8bae\u89c4\u5b9a\u4e86\u6570\u636e\u4f20\u8f93\u7684\u7535\u6c14\u7279\u6027\u3001\u8fde\u63a5\u5668\u5e03\u7ebf\u548c\u4fe1\u53f7\u683c\u5f0f\u7b49\u7ec6\u8282\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5728RS232\u901a\u4fe1\u4e2d\uff0c\u6570\u636e\u53ef\u80fd\u53d7\u5230\u5e72\u6270\u6216\u635f\u574f\uff0c\u56e0\u6b64\u5728\u63a5\u6536\u6570\u636e\u65f6\u9700\u8981\u8fdb\u884c\u9519\u8bef\u68c0\u6d4b\u3002\u5e38\u89c1\u7684\u9519\u8bef\u68c0\u6d4b\u65b9\u6cd5\u5305\u62ec\u5947\u5076\u6821\u9a8c\u3001CRC\u6821\u9a8c\u548c\u6570\u636e\u91cd\u53d1\u7b49\u6280\u672f\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528CRC\u6821\u9a8c\u6765\u68c0\u6d4b\u6570\u636e\u4f20\u8f93\u4e2d\u7684\u9519\u8bef\uff0c\u5e76\u901a\u8fc7\u91cd\u4f20\u673a\u5236\u6765\u7ea0\u6b63\u8fd9\u4e9b\u9519\u8bef\u3002<\/p>\n\n\n\n

    \u3000\u3000\u867d\u7136RS232\u534f\u8bae\u672c\u8eab\u5e76\u4e0d\u652f\u6301\u6570\u636e\u52a0\u5bc6\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u5728\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u52a0\u5165\u52a0\u5bc6\u7b97\u6cd5\u6765\u5b9e\u73b0\u6570\u636e\u52a0\u5bc6\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5728\u53d1\u9001\u7aef\u5bf9\u6570\u636e\u8fdb\u884c\u52a0\u5bc6\u5904\u7406\uff0c\u5728\u63a5\u6536\u7aef\u8fdb\u884c\u89e3\u5bc6\u5904\u7406\u3002\u5e38\u7528\u7684\u52a0\u5bc6\u7b97\u6cd5\u5305\u62ecAES\u3001DES\u7b49\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4e3a\u4e86\u5b9e\u73b0\u4e0a\u8ff0\u529f\u80fd\uff0c\u9700\u8981\u76f8\u5e94\u7684\u786c\u4ef6\u548c\u8f6f\u4ef6\u652f\u6301\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u652f\u6301RS232\u534f\u8bae\u7684\u5fae\u63a7\u5236\u5668\u6216\u5355\u7247\u673a\uff0c\u5e76\u7f16\u5199\u76f8\u5e94\u7684\u9a71\u52a8\u7a0b\u5e8f\u548c\u5e94\u7528\u7a0b\u5e8f\u6765\u5b9e\u73b0\u6570\u636e\u52a0\u5bc6\u548c\u9519\u8bef\u68c0\u6d4b\u529f\u80fd\u3002\u6b64\u5916\uff0c\u8fd8\u9700\u8981\u4f7f\u7528\u7535\u5e73\u8f6c\u6362\u82af\u7247\u5c06RS-232\u7535\u5e73\u6807\u51c6\u7684\u4fe1\u53f7\u8f6c\u6362\u6210\u63a7\u5236\u5668\u80fd\u8bc6\u522b\u7684TTL\u6807\u51c6\u4fe1\u53f7\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5b9e\u73b0\uff1a<\/p>\n\n\n\n

      \n
    • \u3000\u3000\u4f7f\u7528DB9\u63a5\u53e3\u8fde\u63a5\u4e24\u4e2a\u901a\u4fe1\u8bbe\u5907\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u5728\u53d1\u9001\u7aef\u5bf9\u6570\u636e\u8fdb\u884c\u52a0\u5bc6\u5904\u7406\uff0c\u5e76\u4f7f\u7528RS232\u534f\u8bae\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u5728\u63a5\u6536\u7aef\u5bf9\u63a5\u6536\u5230\u7684\u6570\u636e\u8fdb\u884c\u89e3\u5bc6\u5904\u7406\uff0c\u5e76\u4f7f\u7528CRC\u6821\u9a8c\u7b49\u6280\u672f\u8fdb\u884c\u9519\u8bef\u68c0\u6d4b\u548c\u7ea0\u6b63\u3002<\/li>\n<\/ul>\n\n\n\n

      \u3000\u3000\u4e94\u3001 USB\u63a5\u53e3\u5982\u4f55\u53d6\u4ee3DB9 RS232\u63a5\u53e3?<\/h2>\n\n\n\n

      \u3000\u3000USB\u63a5\u53e3\u9010\u6e10\u53d6\u4ee3DB9 RS232\u63a5\u53e3\uff0c\u4e3b\u8981\u662f\u56e0\u4e3aUSB\u63a5\u53e3\u5177\u6709\u66f4\u9ad8\u7684\u7075\u6d3b\u6027\u548c\u529f\u80fd\u3002\u9996\u5148\uff0cUSB\u63a5\u53e3\u53ef\u4ee5\u901a\u8fc7\u6807\u51c6\u7684USB mini-B\u8fde\u63a5\u5668\u76f4\u63a5\u66ff\u4ee3DB9 RS232\u63a5\u53e3\uff0c\u65e0\u9700\u5bf9\u73b0\u6709\u7535\u8def\u677f\u8fdb\u884c\u4efb\u4f55\u4fee\u6539\u3002\u8fd9\u79cd\u66ff\u4ee3\u65b9\u6848\u4e0d\u4ec5\u7b80\u5316\u4e86\u786c\u4ef6\u5347\u7ea7\u8fc7\u7a0b\uff0c\u8fd8\u5ef6\u957f\u4e86\u57fa\u4e8eDB9\u7684RS232\u7cfb\u7edf\u7684\u4f7f\u7528\u5bff\u547d\u3002<\/p>\n\n\n\n

      \u3000\u3000USB\u63a5\u53e3\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u66f4\u5927\u7684\u5e26\u5bbd\u5229\u7528\u7387\u3002\u4f8b\u5982\uff0cUSB 2.0\u63a5\u53e3\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u53ef\u4ee5\u8fbe\u5230480 Mbps\uff0c\u800cUSB 3.0\u5219\u53ef\u4ee5\u8fbe\u52305 Gbps\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cRS232\u63a5\u53e3\u901a\u5e38\u53ea\u80fd\u63d0\u4f9b\u8f83\u4f4e\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u8fd9\u4f7f\u5f97USB\u63a5\u53e3\u5728\u9700\u8981\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u5e94\u7528\u4e2d\u66f4\u5177\u4f18\u52bf\u3002<\/p>\n\n\n\n

      \u3000\u3000\u6b64\u5916\uff0cUSB\u63a5\u53e3\u652f\u6301\u66f4\u591a\u7684\u8bbe\u5907\u8fde\u63a5\u3002\u4e0d\u540c\u4e8eRS232\u63a5\u53e3\u901a\u5e38\u53ea\u80fd\u8fde\u63a5\u4e00\u4e2a\u8bbe\u5907\uff0cUSB\u63a5\u53e3\u53ef\u4ee5\u8fde\u63a5\u591a\u8fbe126\u4e2a\u8bbe\u5907\uff0c\u5e76\u4e14\u652f\u6301\u8bbe\u5907\u7684\u83ca\u82b1\u94fe\u8fde\u63a5\u3002\u8fd9\u79cd\u591a\u8bbe\u5907\u8fde\u63a5\u80fd\u529b\u4f7f\u5f97USB\u63a5\u53e3\u5728\u590d\u6742\u7684\u7cfb\u7edf\u4e2d\u66f4\u52a0\u7075\u6d3b\u548c\u5b9e\u7528\u3002<\/p>\n\n\n\n

      \u3000\u3000USB\u63a5\u53e3\u8fd8\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u517c\u5bb9\u6027\u548c\u6269\u5c55\u6027\u3002\u73b0\u4ee3\u8ba1\u7b97\u673a\u666e\u904d\u652f\u6301USB\u63a5\u53e3\uff0c\u800c\u4e14USB\u63a5\u53e3\u53ef\u4ee5\u901a\u8fc7\u5404\u79cd\u9002\u914d\u5668\u548c\u8f6c\u6362\u5668\u4e0e\u4e0d\u540c\u7684\u901a\u4fe1\u534f\u8bae(\u5982UART)\u8fdb\u884c\u8fde\u63a5\u3002\u8fd9\u4f7f\u5f97USB\u63a5\u53e3\u80fd\u591f\u8f7b\u677e\u5730\u4e0e\u73b0\u6709\u7684RS232\u8bbe\u5907\u517c\u5bb9\uff0c\u540c\u65f6\u8fd8\u80fd\u63d0\u4f9b\u989d\u5916\u7684\u529f\u80fd\u548c\u7075\u6d3b\u6027\u3002<\/p>\n\n\n\n

      \u3000\u3000\u516d\u3001 \u4e32\u884c\u901a\u4fe1\u7cfb\u7edf\u5982\u4f55\u9009\u62e9DB9\u63a5\u53e3\u8fd8\u662fUSB\u63a5\u53e3?<\/h2>\n\n\n\n

      \u3000\u3000\u5728\u8bbe\u8ba1\u65b0\u7684\u4e32\u884c\u901a\u4fe1\u7cfb\u7edf\u65f6\uff0c\u9009\u62e9DB9\u63a5\u53e3\u8fd8\u662fUSB\u63a5\u53e3\u9700\u8981\u8003\u8651\u591a\u4e2a\u56e0\u7d20\uff0c\u5305\u62ec\u4f20\u8f93\u901f\u7387\u3001\u8fde\u63a5\u7a33\u5b9a\u6027\u3001\u8bbe\u5907\u517c\u5bb9\u6027\u4ee5\u53ca\u4f7f\u7528\u573a\u666f\u7b49\u3002<\/p>\n\n\n\n

      \u3000\u30001. \u4f20\u8f93\u901f\u7387<\/strong>\uff1a<\/h3>\n\n\n\n

      \u3000\u3000DB9\u63a5\u53e3\u901a\u5e38\u9002\u7528\u4e8e\u4f4e\u901f\u4e32\u884c\u901a\u4fe1\uff0c\u4f20\u8f93\u901f\u7387\u8f83\u4f4e\u3002\u7136\u800c\uff0c\u6709\u4e9b\u8d44\u6599\u63d0\u5230DB9\u63a5\u53e3\u53ef\u4ee5\u652f\u6301\u9ad8\u8fbe4.8Gbps\u7684\u4f20\u8f93\u901f\u7387\uff0c\u8fd9\u53ef\u80fd\u4e0e\u5177\u4f53\u5e94\u7528\u548c\u8bbe\u5907\u6709\u5173\u3002<\/p>\n\n\n\n

      \u3000\u3000USB\u63a5\u53e3\u5219\u6709\u591a\u4e2a\u7248\u672c\uff0cUSB 2.0\u7684\u4f20\u8f93\u901f\u7387\u4e3a480Mbps\uff0c\u800cUSB 3.0\u7684\u4f20\u8f93\u901f\u7387\u66f4\u662f\u9ad8\u8fbe4.8Gbps\u3002\u56e0\u6b64\uff0cUSB\u63a5\u53e3\u5728\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u65b9\u9762\u5177\u6709\u660e\u663e\u4f18\u52bf\u3002<\/p>\n\n\n\n

      \u3000\u30002. \u8fde\u63a5\u7a33\u5b9a\u6027\u548c\u8010\u7528\u6027<\/strong>\uff1a<\/h3>\n\n\n\n

      \u3000\u3000DB9\u63a5\u53e3\u56e0\u5176\u8bbe\u8ba1\u548c\u6750\u6599\uff0c\u5177\u6709\u8f83\u9ad8\u7684\u8010\u4e45\u6027\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u3002\u6b64\u5916\uff0cDB9\u63a5\u53e3\u7684\u7ebf\u7f06\u957f\u5ea6\u53ef\u4ee5\u66f4\u957f\uff0c\u6ca1\u6709\u660e\u786e\u7684\u957f\u5ea6\u9650\u5236\u3002<\/p>\n\n\n\n

      \u3000\u3000USB\u63a5\u53e3\u4e5f\u5177\u6709\u826f\u597d\u7684\u8fde\u63a5\u7a33\u5b9a\u6027\uff0c\u5e76\u4e14\u652f\u6301\u70ed\u63d2\u62d4\u529f\u80fd\uff0c\u5373\u7528\u6237\u53ef\u4ee5\u5728\u4e0d\u65ad\u7535\u7684\u60c5\u51b5\u4e0b\u63d2\u5165\u6216\u62d4\u51fa\u8bbe\u5907\u3002<\/p>\n\n\n\n

      \u3000\u30003. \u8bbe\u5907\u517c\u5bb9\u6027\u548c\u6807\u51c6\u5316<\/strong>\uff1a<\/h3>\n\n\n\n

      \u3000\u3000DB9\u63a5\u53e3\u88ab\u5e7f\u6cdb\u4f7f\u7528\uff0c\u6613\u4e8e\u627e\u5230\u9002\u914d\u5668\u548c\u8fde\u63a5\u7ebf\uff0c\u4e14\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u6570\u636e\u4f20\u8f93\u534f\u8bae\u3002<\/p>\n\n\n\n

      \u3000\u3000USB\u63a5\u53e3\u5219\u56e0\u5176\u6807\u51c6\u5316\u548c\u7edf\u4e00\u6027\uff0c\u80fd\u591f\u517c\u5bb9\u591a\u79cd\u5916\u8bbe\uff0c\u65e0\u9700\u4e3a\u4e0d\u540c\u7684\u5916\u8bbe\u51c6\u5907\u4e0d\u540c\u7684\u63a5\u53e3\u548c\u534f\u8bae\u3002USB\u63a5\u53e3\u8fd8\u652f\u6301\u5373\u63d2\u5373\u7528\u529f\u80fd\uff0c\u4f7f\u5f97\u8bbe\u5907\u8fde\u63a5\u66f4\u52a0\u65b9\u4fbf\u3002<\/p>\n\n\n\n

      \u3000\u30004. \u4f7f\u7528\u573a\u666f<\/strong>\uff1a<\/h3>\n\n\n\n

      \u3000\u3000\u5982\u679c\u5e94\u7528\u573a\u666f\u9700\u8981\u957f\u8ddd\u79bb\u4f20\u8f93\u6216\u9ad8\u8010\u4e45\u6027\u8fde\u63a5\uff0cDB9\u63a5\u53e3\u53ef\u80fd\u662f\u66f4\u597d\u7684\u9009\u62e9\u3002<\/p>\n\n\n\n

      \u3000\u3000\u5982\u679c\u5e94\u7528\u573a\u666f\u9700\u8981\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3001\u8bbe\u5907\u517c\u5bb9\u6027\u4ee5\u53ca\u65b9\u4fbf\u7684\u70ed\u63d2\u62d4\u529f\u80fd\uff0cUSB\u63a5\u53e3\u5219\u66f4\u4e3a\u5408\u9002\u3002<\/p>\n\n\n\n

      \u3000\u3000\u9009\u62e9DB9\u63a5\u53e3\u8fd8\u662fUSB\u63a5\u53e3\u5e94\u6839\u636e\u5177\u4f53\u9700\u6c42\u6765\u51b3\u5b9a\u3002\u5982\u679c\u9700\u8981\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u548c\u8bbe\u5907\u517c\u5bb9\u6027\uff0cUSB\u63a5\u53e3\u662f\u66f4\u597d\u7684\u9009\u62e9;<\/p>\n","protected":false},"excerpt":{"rendered":"

      DB9\u63a5\u53e3\u662fRS232\u534f\u8bae\u7684\u7269\u7406\u5b9e\u73b0\u65b9\u5f0f\uff0cRS232\u534f\u8bae\u5b9a\u4e49\u4e86\u6570\u636e\u901a\u4fe1\u7684\u89c4\u8303\u548c\u4fe1\u53f7\u7535\u5e73\u6807\u51c6\uff0c\u800cDB9\u63a5\u53e3\u5219\u63d0\u4f9b\u4e86\u5b9e\u73b0\u8fd9\u4e9b\u89c4\u8303\u7684\u7269\u7406\u8fde\u63a5\u3002\u4e24\u8005\u5171\u540c\u6784\u6210\u4e86\u4e32\u884c\u901a\u4fe1\u7684\u57fa\u7840\u3002<\/p>\n","protected":false},"author":1,"featured_media":93620,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[68],"class_list":["post-98543","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-r-3"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/98543"}],"collection":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/comments?post=98543"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/98543\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/93620"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=98543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=98543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=98543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}