{"id":57177,"date":"2023-10-19T23:55:22","date_gmt":"2023-10-19T15:55:22","guid":{"rendered":"https:\/\/www.techphant.cn\/blog\/57177.html"},"modified":"2023-10-19T23:55:22","modified_gmt":"2023-10-19T15:55:22","slug":"tdpjdu","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/57177.html","title":{"rendered":"TM4C123\u5355\u7247\u673a\u7684UART"},"content":{"rendered":"<p>&emsp;&emsp;TM4C123\u5355\u7247\u673a\u7684UART\uff08Universal Asynchronous Receiver\/Transmitter\uff09\u662f\u4e00\u79cd\u5168\u53cc\u5de5\u5f02\u6b65\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\uff0c\u53ef\u4ee5\u5728\u4e24\u4e2a\u5904\u7406\u5668\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u5904\u7406\u5668\u548c\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\uff0c\u4f8b\u5982\u4e32\u53e3\u6253\u5370\u673a\u3001\u8c03\u5236\u89e3\u8c03\u5668\u3001\u6570\u636e\u91c7\u96c6\u5668\u7b49\u3002\u672c\u6587\u5c06\u4ecb\u7ecdUART\u5728TM4C123\u5355\u7247\u673a\u4e2d\u7684\u5e94\u7528\uff0c\u4ee5\u53caUART\u7684\u57fa\u672c\u5de5\u4f5c\u539f\u7406\u3002<\/p>\n<h2 style=\"text-align: center;\">TM4C123\u5355\u7247\u673a\u7684UART\u5e94\u7528<\/h2>\n<p>&emsp;&emsp;TM4C123\u5355\u7247\u673a\u7684UART\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u3002\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u6807\u51c6\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u4f8b\u5982300\u3001600\u30011200\u30012400\u30014800\u30019600\u300119200\u300138400\u300157600\u3001115200 bps\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u6765\u8c03\u6574\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002\u6b64\u5916\uff0cUART\u8fd8\u652f\u6301\u591a\u79cd\u6570\u636e\u683c\u5f0f\uff0c\u5305\u62ec5\u4f4d\u30016\u4f4d\u30017\u4f4d\u62168\u4f4d\u6570\u636e\uff0c\u4ee5\u53ca1\u4f4d\u30011.5\u4f4d\u62162\u4f4d\u505c\u6b62\u4f4d\u3002<\/p>\n<h3>&emsp;&emsp;UART\u7684\u57fa\u672c\u5de5\u4f5c\u539f\u7406<\/h3>\n<p>&emsp;&emsp;UART\u7684\u57fa\u672c\u5de5\u4f5c\u539f\u7406\u662f\uff0c\u901a\u8fc7\u4e00\u4e2a\u5f02\u6b65\u7684\u53cc\u5411\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\uff0c\u5b9e\u73b0\u4e24\u4e2a\u5904\u7406\u5668\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u3002\u5b83\u4f7f\u7528\u4e24\u4e2a\u7ebf\u8def\uff1a\u4e00\u4e2a\u7528\u4e8e\u63a5\u6536\u6570\u636e\uff0c\u53e6\u4e00\u4e2a\u7528\u4e8e\u53d1\u9001\u6570\u636e\u3002\u5f53\u63a5\u6536\u6570\u636e\u65f6\uff0cUART\u4f1a\u68c0\u67e5\u63a5\u6536\u7ebf\u8def\u4e0a\u7684\u7535\u5e73\uff0c\u5e76\u6839\u636e\u7535\u5e73\u7684\u9ad8\u4f4e\u6765\u5224\u65ad\u63a5\u6536\u5230\u7684\u6570\u636e\u3002\u5f53\u53d1\u9001\u6570\u636e\u65f6\uff0cUART\u4f1a\u68c0\u67e5\u53d1\u9001\u7ebf\u8def\u4e0a\u7684\u7535\u5e73\uff0c\u5e76\u6839\u636e\u7535\u5e73\u7684\u9ad8\u4f4e\u6765\u5224\u65ad\u8981\u53d1\u9001\u7684\u6570\u636e\u3002<\/p>\n<h3>&emsp;&emsp;UART\u7684\u4f18\u52bf<\/h3>\n<p>&emsp;&emsp;UART\u5177\u6709\u8bb8\u591a\u4f18\u52bf\uff0c\u5176\u4e2d\u5305\u62ec\uff1a1\uff09\u5b83\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u901f\u7684\u6570\u636e\u4f20\u8f93\uff0c\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u6807\u51c6\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff1b2\uff09\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u6570\u636e\u683c\u5f0f\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u6765\u8c03\u6574\u6570\u636e\u683c\u5f0f\uff1b3\uff09\u5b83\u53ef\u4ee5\u5b9e\u73b0\u81ea\u52a8\u68c0\u6d4b\u548c\u7ea0\u9519\uff0c\u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u51c6\u786e\u6027\uff1b4\uff09\u5b83\u53ef\u4ee5\u5b9e\u73b0\u4f4e\u6210\u672c\u7684\u6570\u636e\u4f20\u8f93\uff0c\u53ef\u4ee5\u6709\u6548\u964d\u4f4e\u4f20\u8f93\u6210\u672c\u3002<\/p>\n<h2 style=\"text-align: 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