{"id":77357,"date":"2024-01-08T12:28:33","date_gmt":"2024-01-08T04:28:33","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=77357"},"modified":"2024-01-08T12:28:33","modified_gmt":"2024-01-08T04:28:33","slug":"ukhckdqb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/77357.html","title":{"rendered":"USB\u53e3\u548cCOM\u53e3\u7684\u533a\u522b"},"content":{"rendered":"
USB\u53e3\u548cCOM\u53e3\u662f\u5e38\u89c1\u7684\u8ba1\u7b97\u673a\u63a5\u53e3\uff0c\u5b83\u4eec\u5728\u8fde\u63a5\u5916\u90e8\u8bbe\u5907\u65f6\u6709\u7740\u4e0d\u540c\u7684\u4f5c\u7528\u548c\u7279\u70b9\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u5b83\u4eec\u7684\u533a\u522b\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u3002<\/p>\n
USB\uff08Universal Serial Bus\uff09\u662f\u4e00\u79cd\u901a\u7528\u7684\u5916\u90e8\u8bbe\u5907\u8fde\u63a5\u6807\u51c6\uff0c\u88ab\u5e7f\u6cdb\u7528\u4e8e\u8fde\u63a5\u952e\u76d8\u3001\u9f20\u6807\u3001\u6253\u5370\u673a\u3001\u6444\u50cf\u5934\u3001\u5b58\u50a8\u8bbe\u5907\u7b49\u3002\u5b83\u5177\u6709\u70ed\u63d2\u62d4\u7279\u6027\uff0c\u652f\u6301\u591a\u79cd\u8bbe\u5907\u540c\u65f6\u8fde\u63a5\uff0c\u4ee5\u53ca\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3002USB\u53e3\u901a\u5e38\u662f\u8ba1\u7b97\u673a\u7684\u6807\u914d\u63a5\u53e3\uff0c\u53ef\u8c13\u662f\u73b0\u4ee3\u8ba1\u7b97\u673a\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002<\/p>\n
USB\u53e3\u5206\u4e3a\u591a\u4e2a\u7248\u672c\uff0c\u5176\u4e2dUSB 2.0\u548cUSB 3.0\u662f\u6700\u5e38\u89c1\u7684\u4e24\u79cd\u3002USB 2.0\u6700\u9ad8\u4f20\u8f93\u901f\u7387\u4e3a480 Mbps\uff0c\u800cUSB 3.0\u5219\u53ef\u8fbe\u52305 Gbps\uff0c\u662fUSB 2.0\u901f\u5ea6\u768410\u500d\u3002\u6b64\u5916\uff0cUSB 3.0\u8fd8\u652f\u6301\u66f4\u9ad8\u7535\u6d41\u8f93\u51fa\uff0c\u9002\u7528\u4e8e\u66f4\u591a\u529f\u7387\u8981\u6c42\u8f83\u9ad8\u7684\u8bbe\u5907\u3002<\/p>\n
USB\u53e3\u7684\u5f62\u72b6\u4e5f\u6709\u4e0d\u540c\uff0c\u6700\u5e38\u89c1\u7684\u662fType-A\u548cType-C\u3002Type-A\u662f\u4f20\u7edf\u7684USB\u53e3\u5f62\u72b6\uff0c\u800cType-C\u662f\u4e00\u79cd\u8f83\u65b0\u7684\u8bbe\u8ba1\uff0c\u5177\u6709\u53ef\u9006\u63d2\u62d4\u7279\u6027\uff0c\u66f4\u4fbf\u4e8e\u4f7f\u7528\u3002\u968f\u7740\u65f6\u4ee3\u7684\u8fdb\u6b65\uff0cType-C\u6b63\u9010\u6e10\u6210\u4e3a\u5404\u7c7b\u8bbe\u5907\u7684\u6807\u914d\u63a5\u53e3\u3002<\/p>\n
COM\u53e3\uff08Communication Port\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u4e32\u884c\u901a\u4fe1\u7684\u4f20\u7edf\u63a5\u53e3\uff0c\u5df2\u7ecf\u5b58\u5728\u4e86\u51e0\u5341\u5e74\u3002\u5b83\u5e38\u7528\u4e8e\u8fde\u63a5\u4e00\u4e9b\u7279\u5b9a\u7684\u8bbe\u5907\uff0c\u5982\u8001\u5f0f\u6253\u5370\u673a\u3001\u4e32\u884c\u9f20\u6807\u3001\u5de5\u4e1a\u63a7\u5236\u8bbe\u5907\u7b49\u3002\u76f8\u6bd4\u4e8eUSB<\/a>\u53e3\uff0cCOM\u53e3\u4f20\u8f93\u901f\u7387<\/a>\u8f83\u4f4e\uff0c\u5e76\u4e14\u4e0d\u652f\u6301\u70ed\u63d2\u62d4\uff0c\u4f7f\u7528\u8f83\u4e3a\u5c40\u9650\u3002<\/p>\n RS-232\u548cRS-485<\/h3>\n