{"id":828,"date":"2019-10-16T14:15:09","date_gmt":"2019-10-16T06:15:09","guid":{"rendered":"http:\/\/iqotom.com\/?p=828"},"modified":"2019-10-18T10:04:27","modified_gmt":"2019-10-18T02:04:27","slug":"usb%e8%a1%8c%e4%b8%9a%e6%a0%87%e5%87%86%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"http:\/\/iqotom.com\/?p=828","title":{"rendered":"USB\u884c\u4e1a\u6807\u51c6\u4ecb\u7ecd"},"content":{"rendered":"\n

\u539f\u6587\uff1a https:\/\/blog.csdn.net\/go_str\/article\/details\/80834319<\/a> <\/p>\n\n\n\n

\u5728\u7f51\u4e0a\u770b\u5230\u4e00\u4e9bUSB\u7684\u57fa\u7840\u77e5\u8bc6 \uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\uff0c\u8bb0\u5f55\u4e0b\u6765\u4ee5\u4fbf\u67e5\u9605<\/h3>\n\n\n\n

\n\n================================================================
\u300aUSB\u884c\u4e1a\u6807\u51c6\u4ecb\u7ecd<\/a>\u300b
\u300aUSB\u901a\u8baf\u8fc7\u7a0b<\/a>\u300b
\u300aUSB\u4e2d\u7684\u7aef\u70b9\u8be6\u7ec6\u4e86\u89e3<\/a>\u300b
\u300aUSB\u4f20\u8f93\u4e4b\u63a7\u5236\u4f20\u8f93<\/a>\u300b
================================================================\n\n<\/p>\n\n\n\n

USB\u6807\u51c6\u89c4\u8303\u7c7b\u578b<\/strong><\/h3>\n\n\n\n
  1. \u6807\u51c6\u89c4\u8303 <\/strong>
    \u6807\u51c6\u89c4\u8303\u4e3a\u6700\u57fa\u7840\u7684\u89c4\u8303\uff0c\u4e3b\u8981\u6709USB1.0\u3001USB1.1\u3001USB2.0\u548cUSB3.0\u7b49\u7b49 <\/li>
  2. USB\u8bbe\u5907\u7c7b\u89c4\u8303 <\/strong>
    \u8bbe\u5907\u7c7b\u89c4\u8303\u4e3b\u8981\u662f\u9488\u5bf9\u4e8e\u5177\u4f53\u7684USB\u8bbe\u5907\u800c\u63a8\u51fa\u7684\u7c7b\u89c4\u8303\uff0c\u6709Mass Storage\u3001Audio Device\u3001Video Device\u7b49\u7b49\u8bbe\u5907\u76f8\u5173\u89c4\u8303 <\/li>
  3. USB HOST\u63a7\u5236\u5668\u89c4\u8303 <\/strong>
    \u4e3b\u8981\u6709OHC\u548cUHC\u7b49 <\/li><\/ol>\n\n\n\n

    \u6807\u51c6\u89c4\u8303\u4ecb\u7ecd<\/h3>\n\n\n\n

    USB\u662f\u901a\u7528\u4e32\u884c\u603b\u7ebf\u7684\u82f1\u6587\u7f29\u5199\uff0c\u662fIntel\u516c\u53f8\u5f00\u53d1\u7684\u603b\u7ebf\u67b6\u6784\uff0c\u4f7f\u5f97\u5728\u8ba1\u7b97\u673a\u4e0a\u6dfb\u52a0\u4e32\u884c\u8bbe\u5907\u975e\u5e38\u5bb9\u6613\u3002\u53ea\u987b\u5c06\u8bbe\u5907\u63d2\u5165\u8ba1\u7b97\u673a\u7684USB\u7aef\u53e3\u4e2d\uff0c\u7cfb\u7edf\u4f1a\u81ea\u52a8\u8bc6\u522b\u548c\u914d\u7f6e\u3002\u6839\u636e\u65f6\u4ee3\u53d1\u5c55\uff0cUSB\u63a5\u53e3\u6807\u51c6\u7ecf\u5386\u4e86\u4e00\u4ee3USB\u3001\u7b2c\u4e8c\u4ee3USB 2.0\u548c\u7b2c\u4e09\u4ee3USB 3.0\u3002 <\/p>\n\n\n\n

    USB\u6807\u51c6\u7b2c\u4e00\u6b21\u662f\u4e8e1995\u5e74\uff0c\u7531Intel\u3001IBM\u3001Compaq\u3001Microsoft\u3001NEC\u3001Digital\u3001North Telecom\u7b49\u4e03\u5bb6\u516c\u53f8\u7ec4\u6210\u7684USBIF(USB Implement Forum)\u5171\u540c\u63d0\u51fa\uff0cUSBIF\u4e8e1996\u5e741\u6708\u6b63\u5f0f\u63d0\u51faUSB1.0\u6807\u51c6\uff0c\u9891\u5bbd\u4e3a1.5Mbps.\u4e0d\u8fc7\u56e0\u4e3a\u5f53\u65f6\u652f\u6301USB\u7684\u5468\u8fb9\u88c5\u7f6e\u5c11\u7684\u53ef\u601c\uff0c\u6240\u4ee5\u4e3b\u673a\u677f\u5546\u4e0d\u592a\u628aUSB Port\u76f4\u63a5\u8bbe\u8ba1\u5728\u4e3b\u673a\u677f\u4e0a\u3002<\/p>\n\n\n\n

    USB2.0\u6280\u672f\u89c4\u8303\u662f\u6709\u7531Compaq\u3001Hewlett Packard\u3001Intel\u3001Lucent\u3001Microsoft\u3001NEC\u3001Philips\u5171\u540c\u5236\u5b9a\u3001\u53d1\u5e03\u7684\uff0c\u89c4\u8303\u628a\u5916\u8bbe\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u63d0\u9ad8\u5230\u4e86480Mbps\uff0c\u662fUSB 1.1\u8bbe\u5907\u768440\u500d!2000\u5e74\u5236\u5b9a\u7684USB 2.0\u6807\u51c6\u662f\u771f\u6b63\u7684USB 2.0\uff0c\u88ab\u79f0\u4e3aUSB 2.0\u7684\u9ad8\u901f(High-speed)\u7248\u672c\uff0c\u7406\u8bba\u4f20\u8f93\u901f\u5ea6\u4e3a480 Mbps.\u3002<\/p>\n\n\n\n

    USB 3.0\u662f\u6700\u65b0\u7684USB\u89c4\u8303\uff0c\u8be5\u89c4\u8303\u7531\u82f1\u7279\u5c14\u7b49\u516c\u53f8\u53d1\u8d77,USB3.0\u7684\u6700\u5927\u4f20\u8f93\u5e26\u5bbd\u9ad8\u8fbe5.0Gbps(640MB\/s),USB3.0 \u5f15\u5165\u5168\u53cc\u5de5\u6570\u636e\u4f20\u8f93\u30025\u6839\u7ebf\u8def\u4e2d2\u6839\u7528\u6765\u53d1\u9001\u6570\u636e\uff0c\u53e62\u6839\u7528\u6765\u63a5\u6536\u6570\u636e\uff0c\u8fd8\u67091\u6839\u662f\u5730\u7ebf\u3002\u4e5f\u5c31\u662f\u8bf4\uff0cUSB 3.0\u53ef\u4ee5\u540c\u6b65\u5168\u901f\u5730\u8fdb\u884c\u8bfb\u5199\u64cd\u4f5c\u3002 <\/p>\n\n\n\n

    \u8fd9\u662fUSB\u5404\u7248\u672c\u7684\u901f\u7387\u5bf9\u6bd4\uff08\u8fd9\u79f0\u53f7\u6211\u4e5f\u662f\u770b\u9189\u4e86\uff09\uff1a<\/p>\n\n\n\n
    USB\u7248\u672c<\/td>\u6700\u5927\u4f20\u8f93\u901f\u7387<\/td>\u901f\u7387\u79f0\u53f7<\/td>\u6700\u5927\u8f93\u51fa\u7535\u6d41<\/td>\u63a8\u51fa\u65f6\u95f4<\/td><\/tr>
    USB1.0<\/td> 1.5Mbps(192KB\/s) <\/td> \u4f4e\u901f(Low-Speed) <\/td> 5V\/500mA<\/td>1996-01<\/td><\/tr>
    USB1.1<\/td> 12Mbps(1.5MB\/s) <\/td> \u5168\u901f(Full-Speed) <\/td> 5V\/500mA <\/td>1998-09<\/td><\/tr>
    USB2.0<\/td> 480Mbps(60MB\/s) <\/td> \u9ad8\u901f(High-Speed) <\/td> 5V\/500mA <\/td>2000-04<\/td><\/tr>
    USB3.0 <\/td> 5Gbps(500MB\/s) <\/td> \u8d85\u9ad8\u901f(Super-Speed) <\/td> 5V\/900mA <\/td>2008-11<\/td><\/tr>
    USB3.1<\/td> 10Gbps(1280MB\/s) <\/td> \u8d85\u9ad8\u901f+(Super-speed+) <\/td> 20V\/5A <\/td>2013-12<\/td><\/tr><\/tbody><\/table>\n\n\n\n

    \u4e0a\u9762\u662f\u4ece\u65f6\u95f4\u7ef4\u5ea6\u4e0a\u6765\u770b\u7684\uff0c\u4f46\u662f\u6bcf\u4e00\u4ee3USB\u63a5\u53e3\u9488\u5bf9\u4e0d\u540c\u7684\u8bbe\u5907\u53c8\u7ec6\u5206\u51fa\u6765\u5f88\u591a\u5177\u4f53\u7684\u578b\u53f7\uff0c\u5982USB Type A\/B\/C\/Mini\/Micro\u3002
    \u4e0b\u9762\u662fUSB2.0\u548cUSB3.0\u6807\u51c6\u4e0b\u7684\u5404\u7c7b\u63a5\u53e3\u793a\u610f\u56fe\uff1a <\/p>\n\n\n\n

    \"\"
    USB\u63a5\u53e3\u793a\u610f\u56fe<\/figcaption><\/figure><\/div>\n\n\n\n

    <\/p>\n","protected":false},"excerpt":{"rendered":"

    USB\u884c\u4e1a\u6807\u51c6\u4ecb\u7ecd\uff1b\u6807\u51c6\u89c4\u8303\u4e3a\u6700\u57fa\u7840\u7684\u89c4\u8303\uff0c\u4e3b\u8981\u6709USB1.0\u3001USB1.1\u3001USB2.0\u548cUSB3.0\u7b49\u7b49<\/p>\n","protected":false},"author":1,"featured_media":835,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[78,63],"tags":[76],"_links":{"self":[{"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/posts\/828"}],"collection":[{"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/iqotom.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=828"}],"version-history":[{"count":13,"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/posts\/828\/revisions"}],"predecessor-version":[{"id":959,"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/posts\/828\/revisions\/959"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/media\/835"}],"wp:attachment":[{"href":"http:\/\/iqotom.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=828"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/iqotom.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=828"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/iqotom.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=828"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}