{"id":68806,"date":"2023-12-18T15:06:48","date_gmt":"2023-12-18T07:06:48","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=68806"},"modified":"2023-12-18T15:06:48","modified_gmt":"2023-12-18T07:06:48","slug":"rhudqb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/68806.html","title":{"rendered":"RS-485\u548cUART\u7684\u533a\u522b"},"content":{"rendered":"
RS-485\u548cUART<\/a>\u662f\u4e24\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u901a\u4fe1\u8bbe\u5907\u3001\u81ea\u52a8\u5316\u7cfb\u7edf\u7b49\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5b83\u4eec\u7684\u533a\u522b\u548c\u5e94\u7528\u573a\u666f\u3002<\/p>\n RS-485\u662f\u4e00\u79cd\u6807\u51c6\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u7528\u4e8e\u5728\u5de5\u4e1a\u73af\u5883\u4e2d\u5b9e\u73b0\u957f\u8ddd\u79bb\u6570\u636e\u4f20\u8f93\u3002RS-485\u4f7f\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u6570\u636e\uff0c\u80fd\u591f\u5728\u566a\u97f3\u5e72\u6270\u3001\u957f\u8ddd\u79bb\u4f20\u8f93\u7b49\u73af\u5883\u4e0b\u4fdd\u6301\u826f\u597d\u7684\u7a33\u5b9a\u6027\u3002\u4e0eRS-232\u76f8\u6bd4\uff0cRS-485\u652f\u6301\u591a\u70b9\u901a\u4fe1\uff0c\u53ef\u4ee5\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u7b49\u5bf9\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u5408\u3002<\/p>\n 1. \u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0c\u5177\u6709\u8f83\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n 2. \u652f\u6301\u591a\u70b9\u901a\u4fe1\uff0c\u9002\u7528\u4e8e\u590d\u6742\u7684\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u3002<\/p>\n 3. \u53ef\u5b9e\u73b0\u957f\u8ddd\u79bb\u6570\u636e\u4f20\u8f93\uff0c\u6700\u9ad8\u6ce2\u7279\u7387\u53ef\u8fbe10 Mbps\u3002<\/p>\n UART\uff08Universal Asynchronous Receiver\/Transmitter\uff09\u662f\u4e00\u79cd\u901a\u7528\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5e38\u89c1\u4e8e\u5355\u7247\u673a\u548c\u5d4c\u5165\u5f0f<\/a>\u7cfb\u7edf\u4e2d\u3002UART\u901a\u8fc7\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u4f4d\u6765\u8fdb\u884c\u901a\u4fe1\uff0c\u901a\u5e38\u7528\u4e8e\u77ed\u8ddd\u79bb\u6570\u636e\u4f20\u8f93\uff0c\u5982\u8fde\u63a5\u4f20\u611f\u5668\u3001\u663e\u793a\u5668\u3001\u952e\u76d8\u7b49\u5916\u56f4\u8bbe\u5907\u3002<\/p>\n 1. \u4f7f\u7528\u5f02\u6b65\u901a\u4fe1\u65b9\u5f0f\uff0c\u9002\u5408\u4e8e\u77ed\u8ddd\u79bb\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\nRS-485\u534f\u8bae<\/h2>\n
RS-485\u7684\u7279\u70b9<\/h3>\n
UART\u534f\u8bae<\/h2>\n
UART\u7684\u7279\u70b9<\/h3>\n