{"id":303,"date":"2025-05-22T23:56:03","date_gmt":"2025-05-22T15:56:03","guid":{"rendered":"http:\/\/liulifengblog.com\/?p=303"},"modified":"2025-05-22T23:56:03","modified_gmt":"2025-05-22T15:56:03","slug":"rs485%e7%94%b5%e8%b7%af","status":"publish","type":"post","link":"http:\/\/liulifengblog.com\/index.php\/2025\/05\/22\/rs485%e7%94%b5%e8%b7%af\/","title":{"rendered":"RS485\u7535\u8def"},"content":{"rendered":"\n

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\"img\"\/<\/div><\/figure>\n\n\n\n

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\"img\"\/<\/div><\/figure>\n\n\n\n

\u4e0a\u62c9\u7535\u963b\u3001\u4e0b\u62c9\u7535\u963b<\/h3>\n\n\n\n

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\u566a\u58f0\u5bb9\u9650*<\/h3>\n\n\n\n

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\u5206\u5e03\u7535\u5bb9\u5f71\u54cd<\/h3>\n\n\n\n

\u7535\u7f06\u7684\u5206\u5e03\u7535\u5bb9\u4e3b\u662f\u7531\u53cc\u7ede\u7ebf\u7684\u4e24\u6761\u5e73\u884c\u5bfc\u7ebf\u4ea7\u751f\u3002\u53e6\u5916\uff0c\u5bfc\u7ebf\u548c\u5730\u4e4b\u95f4\u4e5f\u5b58\u5728\u5206\u5e03\u7535\u5bb9\uff0c\u867d\u7136\u5f88\u5c0f\uff0c\u4f46\u5728\u5206\u6790\u65f6\u4e5f\u4e0d\u80fd\u5ffd\u89c6\u3002\u5206\u5e03\u7535\u5bb9\u5bf9\u603b\u7ebf\u4f20\u8f93\u6027\u80fd\u7684\u5f71\u54cd\uff0c\u4e3b\u8981\u662f\u56e0\u4e3a\u603b\u7ebf\u4e0a\u4f20\u8f93\u7684\u662f\u57fa\u6ce2\u4fe1\u53f7\uff0c\u4fe1\u53f7\u7684\u8868\u8fbe\u65b9\u5f0f\u53ea\u6709\u201c1\u201d\u548c\u201c0\u201d\u3002\u5728\u7279\u6b8a\u7684\u5b57\u8282\u4e2d\uff0c\u4f8b\u59820x01\uff0c\u4fe1\u53f7\u201c0\u201d\u4f7f\u5f97\u5206\u5e03\u7535\u5bb9\u6709\u8db3\u591f\u7684\u5145\u7535\u65f6\u95f4\uff0c\u800c\u4fe1\u53f7\u201c1\u201d\u5230\u6765\u65f6\uff0c\u7531\u4e8e\u5206\u5e03\u7535\u5bb9\u4e2d\u7684\u7535\u8377\uff0c\u6765\u4e0d\u53ca\u653e\u7535\uff0c\uff08Vin+\uff09-\uff08Vin-\uff09-\u8fd8\u5927\u4e8e200mV\uff0c\u7ed3\u679c\u4f7f\u63a5\u7231\u8bef\u8ba4\u4e3a\u662f\u201c0\u201d\uff0c\u800c\u6700\u7ec8\u5bfc\u81f4CRC\u6821\u9a8c\u9519\u8bef\uff0c\u6574\u4e2a\u6570\u636e\u5e27\u4f20\u8f93\u9519\u8bef\u3002 \u7531\u4e8e\u603b\u7ebf\u4e0a\u5206\u5e03\u5f71\u54cd\uff0c\u5bfc\u81f4\u6570\u636e\u4f20\u8f93\u9519\u8bef\uff0c\u4ece\u800c\u4f7f\u6574\u4e2a\u7f51\u7edc\u6027\u80fd\u964d\u4f4e\u3002\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a \uff081\uff09\u964d\u4f4e\u6570\u636e\u4f20\u8f93\u7684\u6ce2\u7279\u7387\uff1b \uff082\uff09\u4f7f\u7528\u5206\u5e03\u7535\u5bb9\u5c0f\u7684\u7535\u7f06\uff0c\u63d0\u9ad8\u4f20\u8f93\u7ebf\u7684\u8d28\u91cf\u3002<\/p>\n\n\n\n

\u9694\u79bb<\/h2>\n\n\n\n

\u4ec0\u4e48\u60c5\u51b5\u9700\u8981485\u9694\u79bb<\/h3>\n\n\n\n

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\"img\"\/<\/div><\/figure>\n\n\n\n

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