{"id":78223,"date":"2024-01-12T05:00:25","date_gmt":"2024-01-11T21:00:25","guid":{"rendered":"\/\/www.viralrail.com\/?p=78223"},"modified":"2024-01-12T05:00:25","modified_gmt":"2024-01-11T21:00:25","slug":"uyrqb","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/78223.html","title":{"rendered":"UART\u4e0eRS485\u533a\u522b"},"content":{"rendered":"
UART<\/a>\u4e0eRS485\u662f\u6570\u5b57\u901a\u4fe1\u9886\u57df\u7684\u4e24\u79cd\u5e38\u89c1\u534f\u8bae\uff0c\u5b83\u4eec\u5728\u4f20\u8f93\u6570\u636e\u65f6\u6709\u7740\u4e0d\u540c\u7684\u7279\u70b9\u548c\u5e94\u7528\u573a\u666f\u3002\u4eca\u5929\u6211\u4eec\u5c06\u4ecb\u7ecdUART\u4e0eRS485\u7684\u533a\u522b\u53ca\u5e94\u7528\u3002<\/p>\n UART\uff08Universal Asynchronous Receiver\/Transmitter\uff09\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u7528\u4e8e\u5728\u7535\u5b50\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002UART\u4f7f\u7528\u4e00\u5bf9\u6570\u636e\u7ebf\uff08TX\u548cRX\uff09\u8fdb\u884c\u5355\u5411\u4f20\u8f93\uff0c\u901a\u5e38\u7528\u4e8e\u77ed\u8ddd\u79bb\u901a\u4fe1\u3002<\/p>\n UART\u901a\u8fc7\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u7684\u65b9\u5f0f\u8fdb\u884c\u901a\u4fe1\u3002\u5728\u53d1\u9001\u6570\u636e\u65f6\uff0c\u6570\u636e\u88ab\u5206\u5272\u6210\u5b57\u8282\uff0c\u6bcf\u4e2a\u5b57\u8282\u7531\u8d77\u59cb\u4f4d\u3001\u6570\u636e\u4f4d\uff08\u901a\u5e38\u4e3a8\u4f4d\uff09\u3001\u6821\u9a8c\u4f4d\u548c\u505c\u6b62\u4f4d\u7ec4\u6210\u3002\u63a5\u6536\u65b9\u6839\u636e\u8fd9\u4e9b\u4f4d\u6765\u89e3\u6790\u6570\u636e\u3002<\/p>\n \u7531\u4e8eUART\u901a\u4fe1\u7684\u7b80\u5355\u6027\u548c\u53ef\u9760\u6027\uff0c\u5b83\u5e38\u88ab\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u56f4\u8bbe\u5907\uff0c\u6bd4\u5982\u4e32\u53e3\u901a\u4fe1<\/a>\u3001\u952e\u76d8\u3001\u9f20\u6807\u7b49\u3002<\/p>\n RS485\u662f\u4e00\u79cd\u6807\u51c6\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u4e0eUART\u76f8\u6bd4\uff0cRS485\u53ef\u4ee5\u652f\u6301\u591a\u70b9\u901a\u4fe1\u548c\u8fdc\u8ddd\u79bb\u4f20\u8f93\u3002<\/p>\n RS485\u4f7f\u7528\u4e00\u4e2a\u603b\u7ebf\u6765\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\uff0c\u6bcf\u4e2a\u8bbe\u5907\u901a\u8fc7\u552f\u4e00\u7684\u5730\u5740\u8fdb\u884c\u8bc6\u522b\u3002\u6b64\u5916\uff0cRS485\u91c7\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0c\u80fd\u591f\u62b5\u6297\u7535\u78c1\u5e72\u6270\uff0c\u9002\u7528\u4e8e\u957f\u8ddd\u79bb\u901a\u4fe1\u3002<\/p>\n \u7531\u4e8eRS485\u652f\u6301\u591a\u70b9\u8fde\u63a5\u548c\u8fdc\u8ddd\u79bb\u4f20\u8f93\uff0c\u5b83\u5e38\u88ab\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u3001\u81ea\u52a8\u5316\u8bbe\u5907\u3001\u80fd\u6e90\u7ba1\u7406\u7cfb\u7edf\u7b49\u9700\u8981\u53ef\u9760\u957f\u8ddd\u79bb\u901a\u4fe1\u7684\u573a\u5408\u3002<\/p>\nUART\u901a\u4fe1<\/h2>\n
UART\u5de5\u4f5c\u539f\u7406<\/h3>\n
UART\u5e94\u7528<\/h3>\n
RS485\u901a\u4fe1<\/h2>\n
RS485\u7279\u70b9<\/h3>\n
RS485\u5e94\u7528<\/h3>\n
\u603b\u7ed3<\/h2>\n