⭐ 欢迎来到虫虫下载站！ | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站
📤 上传资源

📄 74hc244和74hc164与串行口实现多个led显示的一种简单方法_热门器件典型应用及资料下载_强联单片机科技有限公司.htm

📁 100M网卡驱动芯片资料
💻 HTM
📖 第 1 页 / 共 2 页
字号:
🔍
12 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- saved from url=(0050)http://www.qlmcu.com/wz_tw/ReadNews.asp?NewsID=996 -->
<HTML xmlns:o = "urn:schemas-microsoft-com:office:office" xmlns:v = 
"urn:schemas-microsoft-com:vml" xmlns:w = 
"urn:schemas-microsoft-com:office:word"><HEAD><TITLE>74HC244和74HC164与串行口实现多个LED显示的一种简单方法_热门器件典型应用及资料下载_强联单片机科技有限公司</TITLE>
<STYLE type=text/css>UNKNOWN {
	FONT-SIZE: 9pt; LINE-HEIGHT: normal; FONT-STYLE: normal; FONT-FAMILY: "宋体"; TEXT-DECORATION: none
}
TD {
	FONT-SIZE: 9pt; LINE-HEIGHT: normal; FONT-STYLE: normal; FONT-FAMILY: "宋体"; TEXT-DECORATION: none
}
A:link {
	FONT-SIZE: 9pt; LINE-HEIGHT: normal; FONT-STYLE: normal; FONT-FAMILY: "宋体"; TEXT-DECORATION: none
}
A:visited {
	FONT-SIZE: 9pt; COLOR: #333333; LINE-HEIGHT: normal; FONT-STYLE: normal; FONT-FAMILY: "宋体"; TEXT-DECORATION: none
}
A:hover {
	FONT-SIZE: 9pt; COLOR: #cc3333; LINE-HEIGHT: normal; FONT-STYLE: normal; FONT-FAMILY: "宋体"; TEXT-DECORATION: none
}
</STYLE>

<STYLE type=text/css>A:link {
	TEXT-DECORATION: none
}
A:visited {
	TEXT-DECORATION: none
}
A:hover {
	COLOR: #ff00ff; TEXT-DECORATION: underline
}
</STYLE>

<STYLE type=text/css>BODY {
	OVERFLOW-X: hidden; OVERFLOW: scroll
}
.DEK {
	Z-INDEX: 200; VISIBILITY: hidden; POSITION: absolute
}
</STYLE>

<META http-equiv=Content-Type content="text/html; charset=gb2312"><LINK 
href="74HC244和74HC164与串行口实现多个LED显示的一种简单方法_热门器件典型应用及资料下载_强联单片机科技有限公司.files/news.css" 
rel=stylesheet>
<SCRIPT language=JavaScript type=text/JavaScript>
<!--
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
//-->
</SCRIPT>

<STYLE type=text/css>.newstitle {
	FONT-SIZE: 14px; COLOR: #000000; LINE-HEIGHT: 1.5; FONT-FAMILY: "宋体"
}
.style4 {
	COLOR: #0033ff
}
.style22 {
	FONT-WEIGHT: bold; FONT-SIZE: 12pt; COLOR: #ffffff; FONT-FAMILY: "Times New Roman", Times, serif
}
</STYLE>

<SCRIPT language=JavaScript type=text/JavaScript>

function fontZoom(size){
 document.getElementById('fontZoom').style.fontSize=size+'px'
}
</SCRIPT>
</SCRIPT>
<SCRIPT language=JavaScript>
var currentpos,timer;

function initialize()
{
timer=setInterval("scrollwindow()",50);
}
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>

<META content="MSHTML 6.00.2900.2995" name=GENERATOR></HEAD>
<BODY topMargin=0 jpg? marginheight="0">
<TABLE cellSpacing=0 cellPadding=0 width=760 align=center bgColor=#ffffff 
border=0>
  <TBODY>
  <TR vAlign=top>
    <TD width="100%">
      <TABLE cellSpacing=0 cellPadding=0 width="100%" border=0>
        <TBODY>
        <TR>
          <TD vAlign=top>
            <TABLE cellSpacing=0 cellPadding=0 width="102%" border=0>
              <TBODY>
              <TR bgColor=#ffffff>
                <TD width="100%" bgColor=#ffffff height=3><IMG height=3 
                  src="74HC244和74HC164与串行口实现多个LED显示的一种简单方法_热门器件典型应用及资料下载_强联单片机科技有限公司.files/kb.gif" 
                  width=9></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR>
  <TR vAlign=top>
    <TD borderColor=#ffffff>
      <TABLE height="100%" cellSpacing=0 cellPadding=0 width="98%" align=center 
      border=0>
        <TBODY>
        <TR>
          <TD width="100%" height="100%">
            <DIV align=center>
            <CENTER>
            <TABLE cellSpacing=0 cellPadding=0 width=732 border=0>
              <TBODY>
              <TR>
                <TD align=left width=733 bgColor=#ffffff height="100%">
                  <TABLE width="100%" border=0>
                    <TBODY>
                    <TR>
                      <TD class=style22 width="100%" bgColor=#ffffff 
                      height="100%"><A 
                        href="http://www.qlmcu.com/shop_kfgj.asp" 
                        target=_blank><IMG height=140 
                        src="74HC244和74HC164与串行口实现多个LED显示的一种简单方法_热门器件典型应用及资料下载_强联单片机科技有限公司.files/gg.gif" 
                        width=720 border=0></A></TD></TR></TBODY></TABLE></TD></TR>
              <TR bgColor=#ffffff>
                <TD align=middle>
                  <TABLE cellSpacing=0 cellPadding=0>
                    <TBODY>
                    <TR>
                      <TD vAlign=bottom align=middle width=768 
                      background=74HC244和74HC164与串行口实现多个LED显示的一种简单方法_热门器件典型应用及资料下载_强联单片机科技有限公司.files/topbutton.jpg 
                      bgColor=#c9e0fa height=25><A 
                        href="http://www.qlmcu.com/">首页</A>│ <A 
                        href="http://www.qlmcu.com/shop_kfgj.asp">产品推荐 </A>│<A 
                        href="http://www.qlmcu.com/wz_tw/bigclassdeta.asp?typeid=40&amp;BigClassid=86&amp;page=1">行业动态</A>│<A 
                        href="http://www.qlmcu.com/wz_tw/bigclassdeta.asp?typeid=45&amp;BigClassid=90&amp;page=1">典型应用</A>│<A 
                        href="http://www.qlmcu.com/wz_tw/ReadNews.asp?NewsID=436">热门器件</A>│<A 
                        href="http://www.qlmcu.com/wz_tw/bigclassdeta.asp?typeid=42&amp;BigClassid=87&amp;page=1">学习园地</A>│<A 
                        href="http://www.qlmcu.com/wz_tw/bigclassdeta.asp?typeid=38&amp;BigClassid=84&amp;page=1">下载特区</A>│ 
                        <A 
                        href="http://www.qlmcu.com/xmrc/index.asp?action=View_Words&amp;forumid=1">项目交易</A>│<A 
                        href="http://www.qlmcu.com/xmrc/index.asp?action=View_Words&amp;forumid=2">人才信息</A>│<SPAN 
                        class=style3><A 
                        href="http://www.qlmcu.com/shop_kfgj/dlsml.asp"><FONT 
                        color=#000000>代理商</FONT></A></SPAN>│<A 
                        href="http://qlmcu.com/qlbbs/">技术论坛</A>│<A 
                        href="http://www.qlmcu.com/wz_tw/ReadNews.asp?NewsID=427" 
                        target=_blank>如何购买 </A></TD></TR></TBODY></TABLE></TD></TR>
              <TR>
                <TD align=middle>
                  <TABLE width="100%" border=0>
                    <TBODY>
                    <TR vAlign=top>
                      <TD align=middle width="80%" height=20><FONT 
                        color=#993300 size=4><STRONG></STRONG></FONT></TD>
                      <TD width="20%">
                        <TABLE width="100%" border=0>
                          <TBODY>
                          <TR>
                            <TD>【<A class=12tp 
                              href="javascript:window.close()"><FONT 
                              color=#0000ff>关闭窗口</FONT></A>】【<A class=style4 
                              href="javascript:location.reload()">刷新<FONT 
                              color=#0033ff></FONT></A>】</TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE>
                  <TABLE width="100%" border=0>
                    <TBODY>
                    <TR>
                      <TD align=middle bgColor=#ffffff height=50><FONT 
                        color=#993300 
                        size=4><STRONG>74HC244和74HC164与串行口实现多个LED显示的一种简单方法<BR>
                        <HR width=700 SIZE=2>
                        </STRONG></FONT></TD></TR></TBODY></TABLE></TD></TR>
              <TR>
                <TD align=middle>
                  <TABLE style="TABLE-LAYOUT: fixed" cellSpacing=0 cellPadding=0 
                  align=center border=0>
                    <TBODY>
                    <TR>
                      <TD align=middle width="100%"></TD></TR>
                    <TR>
                      <TD class=newstitle id=fontzoom vAlign=top>
                        <TABLE cellPadding=3 align=left border=0>
                          <TBODY>
                          <TR>
                            <TD>
                              <SCRIPT language=javascript src=""></SCRIPT>
                            </TD></TR></TBODY></TABLE><A 
                        style="TEXT-DECORATION: none" 
                        href="http://www.qlmcu.com/rmqj/74hc244d.pdf"><FONT 
                        color=#0000ff><U>74HC244资料下载<BR></U></FONT></A><A 
                        style="TEXT-DECORATION: none" 
                        href="http://www.qlmcu.com/rmqj/HD74HC164P.pdf"><FONT 
                        color=#0000ff><U>74HC164资料下载</U></FONT></A><BR><STRONG>摘要：</STRONG>介绍利用80C31单片机串行口、廉价的74HC164和74HC244集成块实现多个LED显示的一种简单方法，利用该方法设计的多路LED显示系统具有硬件结构简单、软件编程容易和价格低廉的特点。<SPAN 
                        lang=EN-US 
                        style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p></o:p></SPAN> 

                        <P 
                        style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 22pt; mso-line-height-rule: exactly"><SPAN 
                        lang=EN-US 
                        style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-ascii-font-family: 宋体">&nbsp;&nbsp;&nbsp;</SPAN><SPAN 
                        lang=EN-US 
                        style="FONT-SIZE: 11pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'"> 
                        <B>关键词：</B></SPAN><SPAN 
                        style="FONT-SIZE: 11pt; FONT-FAMILY: 宋体">单片机</SPAN><SPAN 
                        lang=EN-US 
                        style="FONT-SIZE: 11pt; mso-fareast-font-family: 宋体; mso-ascii-font-family: 宋体">&nbsp;</SPAN><SPAN 
                        lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: 宋体"> 
                        串行口</SPAN><SPAN lang=EN-US 
                        style="FONT-SIZE: 11pt; mso-fareast-font-family: 宋体; mso-ascii-font-family: 宋体">&nbsp;</SPAN><SPAN 
                        lang=EN-US style="FONT-SIZE: 11pt; FONT-FAMILY: 宋体"> 
                        LED</SPAN><SPAN lang=EN-US 
                        style="FONT-SIZE: 11pt; mso-fareast-font-family: 宋体; mso-ascii-font-family: 宋体">&nbsp;</SPAN><SPAN
12

⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -