⭐ 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

📄 51单片机编程范例(串行口动态扫描显示电路) - 伟纳电子.mht

📁 80C51的串行通信口是一个功能强大的通信口
💻 MHT
📖 第 1 页 / 共 5 页
字号:
href=3D"http://www.willar.com/main.asp"><FONT=20
                  =
color=3D#000000>=D5=BE=B5=E3=CA=D7=D2=B3</FONT></A></TD>
                <TD width=3D3><IMG=20
                  =
src=3D"http://www.willar.com/images/navspacer.gif"></TD>
                <TD width=3D60><A =
href=3D"http://www.willar.com/forum.asp"><FONT=20
                  =
color=3D#ff3300><B>=BC=BC=CA=F5=C2=DB=CC=B3</B></FONT></FONT></A></TD>
                <TD width=3D3><IMG=20
                  =
src=3D"http://www.willar.com/images/navspacer.gif"></TD>
                <TD width=3D60><A =
href=3D"http://www.willar.com/news.asp"><FONT=20
                  =
color=3D#000000>=D0=D0=D2=B5=D0=C2=CE=C5</FONT></A></TD>
                <TD width=3D3><IMG=20
                  =
src=3D"http://www.willar.com/images/navspacer.gif"></TD>
                <TD width=3D60><A =
href=3D"http://www.willar.com/article.asp"><FONT=20
                  =
color=3D#000000>=BC=BC=CA=F5=CE=C4=C0=B8</FONT></A></TD>
                <TD width=3D3><IMG=20
                  =
src=3D"http://www.willar.com/images/navspacer.gif"></TD>
                <TD width=3D60><A =
href=3D"http://www.willar.com/down.asp"><FONT=20
                  =
color=3D#000000>=CF=C2=D4=D8=D6=D0=D0=C4</FONT></A></TD>
                <TD width=3D3><IMG=20
                  =
src=3D"http://www.willar.com/images/navspacer.gif"></TD>
                <TD width=3D60><A =
href=3D"http://www.willar.com/shop.asp"><FONT=20
                  =
color=3D#ff3300><B>=B2=FA=C6=B7=CF=FA=CA=DB</B></FONT></A></TD>
                <TD width=3D3><IMG=20
                  =
src=3D"http://www.willar.com/images/navspacer.gif"></TD>
                <TD width=3D60><A =
href=3D"http://www.willar.com/sales.asp"><FONT=20
                  =
color=3D#000000>=B4=FA=C0=ED=CD=F8=B5=E3</FONT></A></TD>
                <TD width=3D3><IMG=20
                  =
src=3D"http://www.willar.com/images/navspacer.gif"></TD>
                <TD width=3D60><A onmouseover=3DShowMenu(userput,50)=20
                  href=3D"http://www.willar.com/user_main.asp"><FONT=20
                  =
color=3D#003399><B>=D3=C3=BB=A7=D6=D0=D0=C4</B></FONT></A></TD>
                <TD =
width=3D5></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE>
      <TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"98%" =
align=3Dcenter border=3D0>
        <TBODY>
        <TR>
          <TD><IMG height=3D15 =
src=3D"http://www.willar.com/images/main/top.gif"=20
            width=3D15 border=3D0></TD>
          <TD align=3Dleft width=3D"65%" height=3D30>&nbsp; =
=C4=FA=CF=D6=D4=DA=CE=BB=D3=DA=A3=BA&nbsp;<A=20
            =
href=3D"http://www.willar.com/">=CA=D7=D2=B3</A>&nbsp;=A1=FA&nbsp; <A=20
            =
href=3D"http://www.willar.com/article.asp">=BC=BC=CA=F5=C4=C0=B8|down:=CF=
=C2=D4=D8=D6=D0=D0=C4</A>&nbsp;=A1=FA&nbsp;=B5=A5=20
            =C6=AC =BB=FA=A3=A8=CA=B5=D5=BD=D3=A6=D3=C3=A3=A9</TD>
          <TD vAlign=3Dcenter align=3Dright width=3D"35%">
            <MARQUEE onmouseover=3D"if =
(document.all!=3Dnull){this.stop()}"=20
            onmouseout=3D"if (document.all!=3Dnull){this.start()}" =
scrollAmount=3D4=20
            scrollDelay=3D120><B><FONT =
color=3Dred>[=BA=C3=CF=FB=CF=A2]</FONT></B><A=20
            =
href=3D"http://www.willar.com/shop_view.asp?id=3D24">&nbsp;ME300S=B5=A5=C6=
=AC=BB=FA=BF=AA=B7=A2=B0=E5=D7=EE=D0=C2=D3=C5=BB=DD=BC=DB=B8=F1=BD=F6=D0=E8=
185=D4=AA=A3=A1</A>&nbsp;</MARQUEE></TD></TR></TBODY></TABLE>
      <TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"100%" =
align=3Dcenter border=3D0>
        <TBODY>
        <TR>
          <TD=20
        =
background=3Dhttp://www.willar.com/images/bg_dian.gif></TD></TR></TBODY><=
/TABLE></TD>
    <TD width=3D1 bgColor=3D#5f79a1></TD></TR></TBODY></TABLE>
<TABLE cellSpacing=3D0 cellPadding=3D0 width=3D777 border=3D0>
  <TBODY>
  <TR>
    <TD width=3D1 bgColor=3D#5f79a1></TD>
    <TD align=3Dmiddle width=3D775 bgColor=3D#ffffff>
      <TABLE cellSpacing=3D0 cellPadding=3D0 width=3D775 border=3D0>
        <TBODY>
        <TR>
          <TD align=3Dmiddle>
            <SCRIPT language=3DJavaScript>
<!--
  function do_color(vobject,vvar)
  { document.getElementById(vobject).style.color=3Dvvar; }
  function do_zooms(vobject,vvar)
  { document.getElementById(vobject).style.fontsize=3Dvvar+'px'; }
-->
</SCRIPT>

            <SCRIPT language=3Djavascript>
function picsize(obj,MaxWidth){

  img=3Dnew Image();
  img.src=3Dobj.src;
  if (img.width>MaxWidth)
  {
    return MaxWidth;
  }
  else
  {
    return img.width;
  }
}
</SCRIPT>

            <TABLE class=3Dtf cellSpacing=3D0 cellPadding=3D0 =
width=3D"96%" border=3D0>
              <TBODY>
              <TR>
                <TD align=3Dmiddle height=3D50><FONT class=3Dred_3=20
                  =
size=3D3><B>51=B5=A5=C6=AC=BB=FA=B1=E0=B3=CC=B7=B6=C0=FD=A3=A8=B4=AE=D0=D0=
=BF=DA=B6=AF=CC=AC=C9=A8=C3=E8=CF=D4=CA=BE=B5=E7=C2=B7=A3=A9</B></FONT></=
TD></TR>
              <TR>
                <TD class=3Dgray=20
                  =
align=3Dmiddle>2004=C4=EA10=D4=C25=C8=D5&nbsp;&nbsp;=D7=F7=D5=DF=A3=BA&nb=
sp;&nbsp;&nbsp;&nbsp;=E4=AF=C0=C0=D1=A1=CF=EE=A3=BA=20
<!--
<a href=3D"javascript:;" =
onclick=3D"javascript:do_zooms('font_word',16);">=B4=F3</a>
<a href=3D"javascript:;" =
onclick=3D"javascript:do_zooms('font_word',14);">=D6=D0</a>
<a href=3D"javascript:;" =
onclick=3D"javascript:do_zooms('font_word',12);">=D0=A1</a>&nbsp;
--><SELECT=20
                  =
onchange=3D"if(this.options[this.selectedIndex].value!=3D''){do_color('fo=
nt_word',this.options[this.selectedIndex].value);}"=20
                  size=3D1 name=3Ddo_color_frm> <OPTION value=3D""=20
                    selected>=D1=D5=C9=AB</OPTION> <OPTION =
style=3D"COLOR: #000000"=20
                    value=3D#000000>=C4=AC=C8=CF</OPTION> <OPTION =
style=3D"COLOR: #808080"=20
                    value=3D#808080>=BB=D2=B6=C8</OPTION> <OPTION =
style=3D"COLOR: #808000"=20
                    value=3D#808000>=E9=CF=E9=AD=C9=AB</OPTION> <OPTION =
style=3D"COLOR: #008000"=20
                    value=3D#008000>=C2=CC=C9=AB</OPTION> <OPTION =
style=3D"COLOR: #0000ff"=20
                    value=3D#0000FF>=C0=B6=C9=AB</OPTION> <OPTION =
style=3D"COLOR: #800000"=20
                    value=3D#800000>=BA=D6=C9=AB</OPTION> <OPTION =
style=3D"COLOR: #ff0000"=20
                    =
value=3D#FF0000>=BA=EC=C9=AB</OPTION></SELECT>&nbsp;&nbsp;&nbsp;=B1=BE=CE=
=C4=D2=D1=B1=BB=E4=AF=C0=C0&nbsp;2268&nbsp;=B4=CE</TD></TR>
              <TR>
                <TD height=3D10></TD></TR>
              <TR>
                <TD vAlign=3Dtop calss=3D"bw">
                  <TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"100%" =
border=3D0>
                    <TBODY>
                    <TR>
                      <TD width=3D22=20
                      =
background=3Dhttp://www.willar.com/images/main/view_line.gif=20
                      height=3D1></TD>
                      <TD bgColor=3D#666666></TD>
                      <TD width=3D1 bgColor=3D#666666 =
rowSpan=3D5></TD></TR>
                    <TR>
                      <TD width=3D22=20
                      =
background=3Dhttp://www.willar.com/images/main/view_b.gif=20
                      height=3D5></TD>
                      <TD></TD></TR>
                    <TR>
                      <TD=20
                      =
background=3Dhttp://www.willar.com/images/main/view_bg.gif></TD>
                      <TD align=3Dmiddle>
                        <TABLE class=3Dtf width=3D"98%" align=3Dcenter =
border=3D0>
                          <TBODY>
                          <TR>
                            <TD class=3Dbw width=3D"100%"><FONT =
class=3Dhtd=20
                              id=3Dfont_word=20
                              style=3D"FONT-SIZE: 14px; FONT-FAMILY: =
=CB=CE=CC=E5, Verdana, Arial, Helvetica, =
sans-serif">&nbsp;&nbsp;&nbsp;=B5=A5=C6=AC=BB=FA=B2=A2=D0=D0I/O=BF=DA=CA=FD=
=C1=BF=D7=DC=CA=C7=D3=D0=CF=DE=B5=C4=A3=AC=D3=D0=CA=B1=B2=A2=D0=D0=BF=DA=D0=
=E8=D7=F7=C6=E4=CB=FB=B8=FC=D6=D8=D2=AA=B5=C4=D3=C3=CD=BE=A3=AC=D2=BB=B0=E3=
=D2=B2=B2=BB=BB=E1=D3=C3=CA=FD=C1=BF=D6=DA=B6=E0=B5=C4=B2=A2=D0=D0I/O=BF=DA=
=D7=A8=C3=C5=D3=C3=C0=B4=C7=FD=B6=AF=CF=D4=CA=BE=B5=E7=C2=B7=A3=AC=C4=DC=B7=
=F1=D3=C380C51=B5=C4=B4=AE=D0=D0=CD=A8=D0=C5=BF=DA=BC=D3=C9=CF=C9=D9=C1=BF=
I/O=BC=B0=C0=A9=D5=B9=D0=BE=C6=AC=D3=C3=D3=DA=CF=D4=CA=BE=B5=E7=C2=B7=C4=D8=
=A3=BF=B4=F0=B0=B8=CA=C7=BF=CF=B6=A8=B5=C4=A1=A3<BR>&nbsp;&nbsp;&nbsp;&nb=
sp;80C51=B5=C4=B4=AE=D0=D0=CD=A8=D0=C5=BF=DA=CA=C7=D2=BB=B8=F6=B9=A6=C4=DC=
=C7=BF=B4=F3=B5=C4=CD=A8=D0=C5=BF=DA=A3=AC=B6=F8=C7=D2=CA=C7=CF=E0=B5=B1=BA=
=C3=D3=C3=B5=C4=CD=A8=D0=C5=BF=DA=A3=AC=D3=C3=D3=DA=CF=D4=CA=BE=C7=FD=B6=AF=
=B5=E7=C2=B7=D4=D9=BA=CF=CA=CA=B2=BB=B9=FD=C1=CB=A3=AC=CF=C2=C3=E6=CE=D2=C3=
=C7=BE=CD=B8=F9=BE=DD=D5=E2=D6=D6=D0=E8=D2=AA=C9=E8=BC=C6=D2=BB=B8=F6=D3=C3=
=C1=BD=B8=F6=B4=AE=D0=D0=CD=A8=D0=C5=BF=DA=CF=DF=BC=D3=C9=CF=C1=BD=B8=F9=C6=
=D5=CD=A8I/O=BF=DA=A3=AC=C9=E8=BC=C6=D2=BB=B8=F64=CE=BBLED=CF=D4=CA=BE=B5=
=E7=C2=B7=A1=A3=B5=B1=C8=BB=D6=BB=D2=AA=D4=D9=BC=D3=C9=CF=C1=BD=B8=F9I/O=BF=
=DA=CF=DF=BC=B4=BF=C9=C7=E1=D2=D7=CA=B5=CF=D68=CE=BBLED=B5=C4=CF=D4=CA=BE=
=B5=E7=C2=B7=A1=A3<BR></TBALE>
                              <TABLE height=3D120 width=3D"95%" =
align=3Dcenter>
                                <TBODY>
                                <TR>
                                <TD width=3D370><IMG height=3D250 =
alt=3D=B4=AE=D0=D0=BF=DA=B6=AF=CC=AC=C9=A8=C3=E8=CF=D4=CA=BE=B5=E7=C2=B7 =

                                hspace=3D5=20
                                =
src=3D"http://www.willar.com/upload/article/2004105103556478.gif"=20
                                width=3D370 vspace=3D5></TD>
                                <TD=20
                                =
width=3D325><BR>&nbsp;&nbsp;&nbsp;&nbsp;=D7=F3=CD=BC=CA=C7=B5=E7=D4=AD=C0=
=ED=CD=BC=A3=AC=CE=D2=C3=C7=BB=B9=CA=C7=B2=C9=D3=C3C2051=B5=A5=C6=AC=BB=FA=
=A3=AC=CD=AC=CA=B1=D3=C3=C1=AE=BC=DB=D2=D7=B5=C3=B5=C474LS164=BA=CD74LS13=
8=D7=F7=CE=AA=C0=A9=D5=B9=D0=BE=C6=AC=A1=A3<A=20
                                =
href=3D"http://www.zymcu.com/download/device/74ls00/sn74ls164rev5.pdf">74=
LS164=A3=A8=CF=EA=CF=B8=BC=BC=CA=F5=CA=D6=B2=E1=A3=A9</A>=CA=C7=D2=BB=B8=F6=
8=CE=BB=B4=AE=C8=EB=B2=A2=B3=F6=B5=C4=D2=C6=CE=BB=BC=C4=B4=E6=C6=F7=A3=AC=
=C6=E4=B4=CB=B4=A6=B5=C4=B9=A6=C4=DC=CA=C7=BD=ABC2051=B4=AE=D0=D0=CD=A8=D0=
=C5=BF=DA=CA=E4=B3=F6=B5=C4=B4=AE=D0=D0=CA=FD=BE=DD=D2=EB=C2=EB=B2=A2=D4=DA=
=C6=E4=B2=A2=BF=DA=CF=DF=C9=CF=CA=E4=B3=F6=A3=AC=B4=D3=B6=F8=C7=FD=B6=AFL=
ED=CA=FD=C2=EB=B9=DC=A1=A374LS138=CA=C7=D2=BB=B8=F63-8=D2=EB=C2=EB=C6=F7=A3=
=AC=CB=FC=BD=AB=B5=A5=C6=AC=BB=FA=CA=E4=B3=F6=B5=C4=B5=D8=D6=B7=D0=C5=BA=C5=
=D2=EB=C2=EB=BA=F3=B6=AF=CC=AC=C7=FD=B6=AF=CF=E0=D3=A6=B5=C4LED=A1=A3=B5=AB=
74LS138=B5=E7=C1=F7=C7=FD=B6=AF=C4=DC=C1=A6=BD=CF=D0=A1=A3=AC=CE=AA=B4=CB=
=A3=AC=CE=D2=C3=C7=CA=B9=D3=C3=C1=CB=CE=B4=BC=B6=C7=FD=B6=AF=C8=FD=BC=AB=B9=
=DC2SA1015=D7=F7=CE=AA=B5=D8=D6=B7=C7=FD=B6=AF=A1=A3</TD></TR></TBODY></T=
ABLE>
                              <TABLE width=3D"95%">
                                <TBODY>
                                <TR>
                                =
<TD>&nbsp;&nbsp;&nbsp;&nbsp;=BD=AB4=D6=BBLED=B5=C4=B6=CE=CE=BB=B6=BC=C1=AC=
=D4=DA=D2=BB=C6=F0=A3=AC=CB=FC=C3=C7=B5=C4=B9=AB=B9=B2=B6=CB=D4=F2=D3=C97=
4LS138=B7=D6=CA=B1=D1=A1=CD=A8=A3=AC=D5=E2=D1=F9=C8=CE=BA=CE=D2=BB=B8=F6=CA=
=B1=BF=CC=A3=AC=B6=BC=D6=BB=D3=D0=D2=BB=CE=BBLED=D4=DA=B5=E3=C1=C1=A3=AC=D2=
=B2=BC=B4=B6=AF=CC=AC=C9=A8=C3=E8=CF=D4=CA=BE=B7=BD=CA=BD=A3=AC=C6=E4=D3=C5=
=B5=E3=D4=DA=C9=CF=D2=BB=BD=DA=D6=D0=CE=D2=C3=C7=D2=D1=BE=AD=B2=FB=CA=F6=A1=
=A3=CA=B9=D3=C3=B4=AE=D0=D0=BF=DA=BD=F8=D0=D0LED=CD=A8=D0=C5=A3=AC=B3=CC=D0=
=F2=B1=E0=D0=B4=CF=E0=B5=B1=BC=F2=B5=A5=A3=AC=D3=C3=BB=A7=D6=BB=D0=E8=BD=AB=
=D0=E8=CF=D4=CA=BE=B5=C4=CA=FD=BE=DD=D6=B1=BD=D3=CB=CD=B4=AE=BF=DA=B7=A2=CB=
=CD=BB=BA=B3=E5=C6=F7=A3=AC=B5=C8=B4=FD=B4=AE=D0=D0=D6=D0=B6=CF=BC=B4=BF=C9=
=A3=AC=BF=B4=BF=B4=CF=C2=C3=E6=B5=C4=B3=CC=D0=F2=A1=A3</TD></TR>
                                <TR>
                                <TD align=3Dmiddle><FONT =
color=3Dred>=A1=A4</FONT><FONT=20
                                =
color=3Dblue><B>&nbsp;=B3=CC=D0=F2=C7=E5=B5=A5</B></FONT></TD></TR></TBOD=
Y></TABLE>
                              <TABLE width=3D"95%">
                                <TBODY>
                                <TR>
                                <TD width=3D150>&nbsp;</TD>
                                <TD><IMG height=3D490 hspace=3D5=20
                                =
src=3D"http://www.willar.com/upload/article/2004105103557644.gif"=20
                                width=3D305=20
                              =
border=3D0></TD></TR></TBODY></TABLE></FONT></TD></TR>
                          <TR>
                            <TD height=3D20></TD></TR>
                          <TR>
                            <TD class=3Dred_3 =
align=3Dright>=A1=FA&nbsp;<A=20
                              =
href=3D"javascript:self.close()">=A1=BA=B9=D8=B1=D5=B4=B0=BF=DA=A1=BB</A>=

⌨️ 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 + -