{"id":30395,"date":"2023-09-17T22:39:44","date_gmt":"2023-09-17T14:39:44","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=30395"},"modified":"2023-09-17T22:39:44","modified_gmt":"2023-09-17T14:39:44","slug":"ybcxtxjsylhyy","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/30395.html","title":{"rendered":"\u5f02\u6b65\u4e32\u884c\u901a\u4fe1\uff1a\u4ecb\u7ecd\uff0c\u539f\u7406\u548c\u5e94\u7528"},"content":{"rendered":"

  \u5f02\u6b65\u4e32\u884c\u901a\u4fe1\uff08Asynchronous Serial Communication\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u5728\u4e24\u4e2a\u6216\u591a\u4e2a\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u7684\u6280\u672f\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u5728\u4e0d\u540c\u7684\u8ba1\u7b97\u673a\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u5728\u5355\u4e2a\u8ba1\u7b97\u673a\u7684\u5185\u90e8\u7ec4\u4ef6\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5f02\u6b65\u4e32\u884c\u901a\u4fe1\u7684\u57fa\u672c\u539f\u7406\uff0c\u4ee5\u53ca\u5b83\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u7f3a\u70b9\u3002<\/p>\n

\u4ec0\u4e48\u662f\u5f02\u6b65\u4e32\u884c\u901a\u4fe1\uff1f<\/h2>\n

  \u5f02\u6b65\u4e32\u884c\u901a\u4fe1\u662f\u4e00\u79cd\u7528\u4e8e\u5728\u4e24\u4e2a\u6216\u591a\u4e2a\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u7684\u6280\u672f\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u5728\u4e0d\u540c\u7684\u8ba1\u7b97\u673a\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u5728\u5355\u4e2a\u8ba1\u7b97\u673a\u7684\u5185\u90e8\u7ec4\u4ef6\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002\u5b83\u7684\u57fa\u672c\u539f\u7406\u662f\uff0c\u6bcf\u4e2a\u8bbe\u5907\u90fd\u6709\u4e00\u4e2a\u53d1\u9001\u548c\u4e00\u4e2a\u63a5\u6536\u7aef\u53e3\uff0c\u4e24\u4e2a\u8bbe\u5907\u4e4b\u95f4\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e24\u4e2a\u7aef\u53e3\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

  \u5f02\u6b65\u4e32\u884c\u901a\u4fe1\u662f\u4e00\u79cd\u65e0\u8fde\u63a5\u7684\u901a\u4fe1\u65b9\u5f0f\uff0c\u5b83\u4e0d\u9700\u8981\u5728\u53d1\u9001\u548c\u63a5\u6536\u7aef\u53e3\u4e4b\u95f4\u5efa\u7acb\u8fde\u63a5\uff0c\u4e5f\u4e0d\u9700\u8981\u4e24\u7aef\u90fd\u5904\u4e8e\u53ef\u63a5\u6536\u72b6\u6001\u3002\u8fd9\u5c31\u610f\u5473\u7740\uff0c\u53d1\u9001\u7aef\u53e3\u53ef\u4ee5\u5728\u4efb\u4f55\u65f6\u5019\u53d1\u9001\u6570\u636e\uff0c\u800c\u63a5\u6536\u7aef\u53e3\u53ef\u4ee5\u5728\u4efb\u4f55\u65f6\u5019\u63a5\u6536\u6570\u636e\uff0c\u800c\u4e14\u53d1\u9001\u7aef\u53e3\u548c\u63a5\u6536\u7aef\u53e3\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u4e0d\u4f1a\u53d7\u5230\u4efb\u4f55\u5f71\u54cd\u3002<\/p>\n

\u5f02\u6b65\u4e32\u884c\u901a\u4fe1\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n

  \u5f02\u6b65\u4e32\u884c\u901a\u4fe1\u7684\u5de5\u4f5c\u539f\u7406\u662f\uff0c\u6bcf\u4e2a\u8bbe\u5907\u90fd\u6709\u4e00\u4e2a\u53d1\u9001\u7aef\u53e3\u548c\u4e00\u4e2a\u63a5\u6536\u7aef\u53e3\uff0c\u4e24\u4e2a\u8bbe\u5907\u4e4b\u95f4\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e24\u4e2a\u7aef\u53e3\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u53d1\u9001\u7aef\u53e3\u53ef\u4ee5\u5728\u4efb\u4f55\u65f6\u5019\u53d1\u9001\u6570\u636e\uff0c\u800c\u63a5\u6536\u7aef\u53e3\u53ef\u4ee5\u5728\u4efb\u4f55\u65f6\u5019\u63a5\u6536\u6570\u636e\uff0c\u800c\u4e14\u53d1\u9001\u7aef\u53e3\u548c\u63a5\u6536\u7aef\u53e3\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u4e0d\u4f1a\u53d7\u5230\u4efb\u4f55\u5f71\u54cd\u3002<\/p>\n

  \u5f02\u6b65\u4e32\u884c\u901a\u4fe1\u7684\u53d1\u9001\u7aef\u53e3\u4f1a\u5728\u53d1\u9001\u6570\u636e\u4e4b\u524d\u53d1\u9001\u4e00\u4e2a\u7279\u6b8a\u7684\u8d77\u59cb\u4f4d\uff08start bit\uff09\uff0c\u7528\u6765\u544a\u8bc9\u63a5\u6536\u7aef\u53e3\uff0c\u53d1\u9001\u7aef\u53e3\u6b63\u5728\u53d1\u9001\u6570\u636e\u3002\u63a5\u6536\u7aef\u53e3\u6536\u5230\u8d77\u59cb\u4f4d\u4e4b\u540e\uff0c\u5c31\u4f1a\u5f00\u59cb\u63a5\u6536\u6570\u636e\uff0c\u5e76\u5728\u63a5\u6536\u5230\u6570\u636e\u4e4b\u540e\u53d1\u9001\u4e00\u4e2a\u7279\u6b8a\u7684\u505c\u6b62\u4f4d\uff08stop bit\uff09\uff0c\u7528\u6765\u544a\u8bc9\u53d1\u9001\u7aef\u53e3\uff0c\u63a5\u6536\u7aef\u53e3\u5df2\u7ecf\u6536\u5230\u4e86\u6570\u636e\u3002<\/p>\n

\u5f02\u6b65\u4e32\u884c\u901a\u4fe1\u7684\u4f18\u7f3a\u70b9<\/h2>\n

\u4f18\u70b9<\/h3>\n