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📄 usb入门.htm

📁 usb的协议的详细说明
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- saved from url=(0052)http://www.usbing.net/Article_Show.asp?ArticleID=277 -->
<HTML><HEAD><TITLE>USB入门</TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<STYLE type=text/css>A {
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}
A:hover {
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}
A:link {
	COLOR: #00659c
}
A:visited {
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}
BODY {
	SCROLLBAR-FACE-COLOR: #eeeeee; FONT-SIZE: 9pt; SCROLLBAR-HIGHLIGHT-COLOR: #ffffff; CURSOR: url('mouse.ani'); SCROLLBAR-SHADOW-COLOR: #dee3e7; SCROLLBAR-3DLIGHT-COLOR: #d1d7dc; SCROLLBAR-ARROW-COLOR: #007db5; SCROLLBAR-TRACK-COLOR: #ededed; SCROLLBAR-DARKSHADOW-COLOR: #00659c; TEXT-DECORATION: none
}
TD {
	FONT-SIZE: 9pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体
}
INPUT {
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}
.12blue {
	FONT-SIZE: 12px; COLOR: #003399; FONT-FAMILY: "宋体"
}
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}
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	BACKGROUND-IMAGE: url(photo/toplighnav1.gif)
}
.boxheir {
	BORDER-RIGHT: #999999 1px solid
}
</STYLE>

<SCRIPT language=JavaScript type=text/JavaScript>
	function HideMenu() 
	{
	}
	</SCRIPT>

<SCRIPT language=JavaScript1.2 src="USB入门.files/stm31.js" 
type=text/javascript></SCRIPT>

<SCRIPT language=JavaScript type=text/JavaScript>
//双击鼠标滚动屏幕的代码
var currentpos,timer;
function initialize()
{
timer=setInterval ("scrollwindow ()",30);
}
function sc()
{
clearInterval(timer);
}
function scrollwindow()
{
currentpos=document.body.scrollTop;
window.scroll(0,++currentpos);
if (currentpos !=document.body.scrollTop)
sc();
}
document.onmousedown=sc
document.ondblclick=initialize
</SCRIPT>

<SCRIPT language=JavaScript type=text/JavaScript>
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function MM_reloadPage(init) {  //reloads the window if Nav4 resized
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  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
//-->
</SCRIPT>

<META content="MSHTML 6.00.2800.1106" name=GENERATOR></HEAD>
<BODY leftMargin=0 background=USB入门.files/leaf.gif topMargin=0 marginwidth="0">
<DIV id=menuDiv 
style="Z-INDEX: 1000; VISIBILITY: hidden; WIDTH: 1px; POSITION: absolute; HEIGHT: 1px; BACKGROUND-COLOR: #9cc5f8"></DIV>
<TABLE class=td003 cellSpacing=0 cellPadding=0 width=777 align=center>
  <TBODY>
  <TR>
    <TD bgColor=#336699 height=1></TD></TR>
  <TR>
    <TD vAlign=center>
      <TABLE cellSpacing=0 cellPadding=0 width="100%" align=center>
        <TBODY>
        <TR>
          <TD height=1></TD></TR>
        <TR>
          <TD>
            <TABLE cellSpacing=0 cellPadding=0 width="100%" align=center 
            border=0>
              <TBODY>
              <TR>
                <TD bgColor=#ebf2fa>
                  <DIV align=center>
                  <P align=right>&nbsp;□<A 
                  onclick="this.style.behavior='url(#default#homepage)';this.setHomePage('http://www.usbing.net')" 
                  href="http://www.usbing.net/Article_Show.asp?ArticleID=277#">设为首页 
                  </A>&nbsp;□<A href="mailto:wuxidesign@etang.com">联系站长 
                  </A>&nbsp;□<A 
                  href="javascript:window.external.addFavorite('http://www.usbing.net','USB开发网')">加入收藏</A>&nbsp;&nbsp;&nbsp;&nbsp;</P></DIV></TD></TR>
              <TR>
                <TD class=toplighnav1 height=1>
                  <DIV align=center></DIV></TD></TR></TBODY></TABLE>
            <TABLE cellSpacing=0 cellPadding=0 width=775 align=center 
              border=0><TBODY>
              <TR vAlign=center>
                <TD width=185><A title=USB开发网 
                  href="http://www.usbing.net/"><IMG height=60 
                  src="USB入门.files/logo.gif" width=180 border=0></A> </TD>
                <TD width=483><A title=USB开发网 
                  href="http://www.usbing.net/"><IMG height=60 
                  src="USB入门.files/banner.gif" width=480 border=0></A> </TD>
                <TD width=107>
                  <TABLE height="100%" cellSpacing=0 cellPadding=0 width="70%" 
                  align=center border=0>
                    <TBODY>
                    <TR vAlign=center>
                      <TD align=middle width=20><IMG height=9 
                        src="USB入门.files/link.jpg" width=9 align=absMiddle></TD>
                      <TD align=middle width=84><A 
                        href="http://www.usbing.net/bbs/User/UserJoin.asp">论坛注册</A></TD></TR>
                    <TR vAlign=center>
                      <TD align=middle><IMG height=9 
                        src="USB入门.files/link.jpg" width=9 align=absMiddle></TD>
                      <TD align=middle><A 
                        href="http://www.usbing.net/free/bookcgi/gbook.cgi?user=usbing">免费申请</A></TD></TR>
                    <TR vAlign=center>
                      <TD align=middle><IMG height=9 
                        src="USB入门.files/link.jpg" width=9></TD>
                      <TD align=middle><A 
                        href="http://www.usbing.net/FriendSite.asp">友情链接</A></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR>
        <TR>
          <TD bgColor=#009999 height=1>
            <DIV align=center></DIV></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE>
<TABLE class=td003 cellSpacing=0 cellPadding=0 width=777 align=center 
  border=0><TBODY>
  <TR>
    <TD bgColor=#ebf2fa>|&nbsp;<A 
      href="http://www.usbing.net/index.asp">本站首页</A>&nbsp;|&nbsp;<A 
      href="http://www.usbing.net/soft_index.asp">下 载</A>&nbsp;|&nbsp;<A 
      href="http://www.usbing.net/article_Index.asp"><FONT 
      color=red>USB文章</FONT></A>&nbsp;|&nbsp;<A 
      href="http://www.usbing.net/USB应用">USB应用</A>&nbsp;|&nbsp;<A 
      href="http://www.usbing.net/guestbook.asp">请您留言</A>&nbsp;|&nbsp;<A 
      href="http://www.usbing.net/bbs/">开发论坛</A>&nbsp;|&nbsp;<A 

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