📄 8x8 leddianzhengxianshi.htm
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<p class=MsoNormal style='line-height:150%;word-break:break-all'><strong><span
lang=EN-US style='font-size:9.0pt;line-height:150%;font-family:宋体;
mso-bidi-font-family:宋体;color:blue'>[</span></strong><strong><span
style='font-size:9.0pt;line-height:150%;font-family:宋体;mso-bidi-font-family:
宋体;color:blue'>组图<span lang=EN-US>]</span></span></strong><strong><span
lang=EN-US style='font-size:9.0pt;line-height:150%;font-family:宋体;
mso-bidi-font-family:宋体'>8X8 LED</span></strong><strong><span
style='font-size:9.0pt;line-height:150%;font-family:宋体;mso-bidi-font-family:
宋体'>点阵显示技术</span></strong><span lang=EN-US style='font-size:9.0pt;
line-height:150%'><o:p></o:p></span></p>
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<p class=MsoNormal style='line-height:150%;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;line-height:150%'> </span><span
style='font-size:9.0pt;line-height:150%;color:red'>热</span><span
lang=EN-US style='font-size:9.0pt;line-height:150%'> </span><span
style='font-size:9.0pt;line-height:150%;color:green'>荐</span><span
lang=EN-US style='font-size:9.0pt;line-height:150%'> <o:p></o:p></span></p>
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<p class=MsoNormal align=right style='text-align:right;line-height:150%;
word-break:break-all'><span style='font-size:9.0pt;line-height:150%'>【字体：<span
lang=EN-US><a href="javascript:fontZoomA();"><span lang=EN-US
style='color:white'><span lang=EN-US>小</span></span></a> <a
href="javascript:fontZoomB();"><span lang=EN-US style='color:white'><span
lang=EN-US>大</span></span></a></span>】<span lang=EN-US><o:p></o:p></span></span></p>
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lang=EN-US style='font-size:9.0pt;line-height:150%'><o:p></o:p></span></p>
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<p class=MsoNormal align=center style='text-align:center;line-height:150%;
word-break:break-all'><span lang=EN-US style='font-size:9.0pt;line-height:
150%'>8X8 LED</span><span style='font-size:9.0pt;line-height:150%'>点阵显示技术<span
lang=EN-US><o:p></o:p></span></span></p>
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<td colspan=2 style='padding:0cm 0cm 0cm 0cm'>
<p class=MsoNormal align=center style='text-align:center;line-height:150%;
word-break:break-all'><b><span lang=EN-US style='font-size:9.0pt;line-height:
150%'><o:p> </o:p></span></b></p>
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<p class=MsoNormal align=center style='text-align:center;line-height:150%;
word-break:break-all'><span style='font-size:9.0pt;line-height:150%'>作者：未知<span
lang=EN-US> </span>文章来源：网络<span lang=EN-US> </span>点击数：<span
lang=EN-US>1531 </span>更新时间：<span lang=EN-US>2005-9-2<o:p></o:p></span></span></p>
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<p class=MsoNormal style='line-height:150%'><span lang=EN-US
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<p class=MsoNormal align=center style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
auto;margin-left:1.0cm;text-align:center;text-indent:-1.0cm;line-height:150%;
tab-stops:list 0cm left 54.0pt;word-break:break-all'><b style='mso-bidi-font-weight:
normal'><i style='mso-bidi-font-style:normal'><span lang=EN-US
style='font-size:15.0pt;line-height:150%;font-family:"Arial Black";
mso-fareast-font-family:华文新魏'>24</span></i></b><b style='mso-bidi-font-weight:
normal'><i style='mso-bidi-font-style:normal'><span style='font-size:15.0pt;
line-height:150%;font-family:华文新魏;mso-ascii-font-family:"Arial Black";
mso-hansi-font-family:"Arial Black"'>．</span></i></b><b style='mso-bidi-font-weight:
normal'><i style='mso-bidi-font-style:normal'><span lang=EN-US
style='font-size:7.0pt;line-height:150%;font-family:"Times New Roman";
mso-fareast-font-family:华文新魏'>
</span></i></b><b style='mso-bidi-font-weight:normal'><i style='mso-bidi-font-style:
normal'><span lang=EN-US style='font-size:15.0pt;line-height:150%'>8X8 LED</span></i></b><b
style='mso-bidi-font-weight:normal'><i style='mso-bidi-font-style:normal'><span
style='font-size:15.0pt;line-height:150%;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>点阵显示技术</span></i></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:1.0cm;text-indent:-1.0cm;line-height:150%;tab-stops:list 0cm;
word-break:break-all'><b style='mso-bidi-font-weight:normal'><i
style='mso-bidi-font-style:normal'><span lang=EN-US style='font-family:"Arial Black";
mso-fareast-font-family:华文新魏'>1</span></i></b><b style='mso-bidi-font-weight:
normal'><i style='mso-bidi-font-style:normal'><span style='font-family:华文新魏;
mso-ascii-font-family:"Arial Black";mso-hansi-font-family:"Arial Black"'>．</span></i></b><b
style='mso-bidi-font-weight:normal'><i style='mso-bidi-font-style:normal'><span
lang=EN-US style='font-size:7.0pt;line-height:150%;font-family:"Times New Roman";
mso-fareast-font-family:华文新魏'> </span></i></b><b
style='mso-bidi-font-weight:normal'><i style='mso-bidi-font-style:normal'><span
style='font-family:幼圆'>实验任务<u1:P> </span></i></b><span lang=EN-US></u1:P></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:18.0pt;line-height:150%;word-break:break-all'><span
style='mso-bidi-font-size:10.5pt;line-height:150%;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>在</span><span lang=EN-US
style='mso-bidi-font-size:10.5pt;line-height:150%'>8X8</span><span
style='mso-bidi-font-size:10.5pt;line-height:150%;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'> </span><span lang=EN-US
style='mso-bidi-font-size:10.5pt;line-height:150%'>LED</span><span
style='mso-bidi-font-size:10.5pt;line-height:150%;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>点阵上显示柱形，让其先从左到右平滑移动三次，其次从右到左平滑移动三次，再次从上到下平滑移动三次，最后从下到上平滑移动三次，如此循环下去。</span><span
style='mso-bidi-font-size:10.5pt;line-height:150%'><u1:P> </span><span
lang=EN-US></u1:P></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:1.0cm;text-indent:-1.0cm;line-height:150%;tab-stops:list 0cm;
word-break:break-all'><b style='mso-bidi-font-weight:normal'><i
style='mso-bidi-font-style:normal'><span lang=EN-US style='font-family:"Arial Black";
mso-fareast-font-family:华文新魏'>2</span></i></b><b style='mso-bidi-font-weight:
normal'><i style='mso-bidi-font-style:normal'><span style='font-family:华文新魏;
mso-ascii-font-family:"Arial Black";mso-hansi-font-family:"Arial Black"'>．</span></i></b><b
style='mso-bidi-font-weight:normal'><i style='mso-bidi-font-style:normal'><span
lang=EN-US style='font-size:7.0pt;line-height:150%;font-family:"Times New Roman";
mso-fareast-font-family:华文新魏'> </span></i></b><b
style='mso-bidi-font-weight:normal'><i style='mso-bidi-font-style:normal'><span
style='font-family:幼圆'>电路原理图<u1:P> </span></i></b><span lang=EN-US></u1:P><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
line-height:150%;word-break:break-all'><span lang=EN-US><u2:SHAPETYPE id="_x0000_t75" stroked="f" filled="f" path="m@4@5l@4@11@9@11@9@5xe" u3:preferrelative="t" u3:spt="75" coordsize="21600,21600"><u2:STROKE joinstyle="miter"></u2:STROKE><u2:FORMULAS><u2:F eqn="if lineDrawn pixelLineWidth 0"></u2:F><u2:F eqn="sum @0 1 0"></u2:F><u2:F eqn="sum 0 0 @1"></u2:F><u2:F eqn="prod @2 1 2"></u2:F><u2:F eqn="prod @3 21600 pixelWidth"></u2:F><u2:F eqn="prod @3 21600 pixelHeight"></u2:F><u2:F eqn="sum @0 0 1"></u2:F><u2:F eqn="prod @6 1 2"></u2:F><u2:F eqn="prod @7 21600 pixelWidth"></u2:F><u2:F eqn="sum @8 21600 0"></u2:F><u2:F eqn="prod @7 21600 pixelHeight"></u2:F><u2:F eqn="sum @10 21600 0"></u2:F></u2:FORMULAS><u2:PATH u3:connecttype="rect" gradientshapeok="t" u3:extrusionok="f"></u2:PATH><u1:LOCK aspectratio="t" u4:ext="edit"></u1:LOCK></u2:SHAPETYPE><u2:SHAPE id="_x0000_i1025" style="WIDTH: 396pt; HEIGHT: 352.5pt" type="#_x0000_t75"><u2:IMAGEDATA u3:title="A1" src="file:///C:/DOCUME~1/sxj1/LOCALS~1/Temp/msoclip1/01/clip_image001.png"><img
border=0 width=528 height=470 id="_x0000_i1034"
src="http://www.runmcu.com/Article/UploadFiles/200509/20050902111735658.jpg"
u5:shapes="_x0000_i1025"><o:p></o:p></span></p>
<p class=MsoNormal align=center style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
auto;text-align:center;line-height:150%;word-break:break-all'><span
style='mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'></u2:IMAGEDATA></u2:SHAPE>图</span><span
lang=EN-US>4.24.1</span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:1.0cm;text-indent:-1.0cm;line-height:150%;tab-stops:list 0cm;
word-break:break-all'><b style='mso-bidi-font-weight:normal'><i
style='mso-bidi-font-style:normal'><span lang=EN-US style='font-family:"Arial Black";
mso-fareast-font-family:华文新魏'>3</span></i></b><b style='mso-bidi-font-weight:
normal'><i style='mso-bidi-font-style:normal'><span style='font-family:华文新魏;
mso-ascii-font-family:"Arial Black";mso-hansi-font-family:"Arial Black"'>．</span></i></b><b
style='mso-bidi-font-weight:normal'><i style='mso-bidi-font-style:normal'><span
lang=EN-US style='font-size:7.0pt;line-height:150%;font-family:"Times New Roman";
mso-fareast-font-family:华文新魏'> </span></i></b><b
style='mso-bidi-font-weight:normal'><i style='mso-bidi-font-style:normal'><span
style='font-family:幼圆'>硬件电路连线<u1:P> </span></i></b><span lang=EN-US></u1:P></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:49.35pt;text-indent:-1.0cm;line-height:150%;tab-stops:list 21.0pt;
word-break:break-all'><span lang=EN-US style='mso-bidi-font-size:10.5pt;
line-height:150%;mso-fareast-font-family:华文新魏'>(1)</span><span
style='mso-bidi-font-size:10.5pt;line-height:150%;font-family:华文新魏;
mso-ascii-font-family:宋体'>．</span><span lang=EN-US style='font-size:7.0pt;
line-height:150%;font-family:"Times New Roman";mso-fareast-font-family:华文新魏'>
</span><span style='mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>把“单片机系统”区域中的</span><span lang=EN-US>P1</span><span
style='mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>端口用</span><span
lang=EN-US>8</span><span style='mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>芯排芯连接到“点阵模块”区域中的“</span><span
lang=EN-US>DR1</span><span style='mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>－</span><span lang=EN-US>DR8</span><span
style='mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>”端口上；</span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:49.35pt;text-indent:-1.0cm;line-height:150%;tab-stops:list 21.0pt;
word-break:break-all'><span lang=EN-US style='mso-bidi-font-size:10.5pt;
line-height:150%;mso-fareast-font-family:华文新魏'>(2)</span><span
style='mso-bidi-font-size:10.5pt;line-height:150%;font-family:华文新魏;
mso-ascii-font-family:宋体'>．</span><span lang=EN-US style='font-size:7.0pt;
line-height:150%;font-family:"Times New Roman";mso-fareast-font-family:华文新魏'>
</span><span style='mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>把“单片机系统”区域中的</span><span lang=EN-US>P3</span><span
style='mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>端口用</span><span
lang=EN-US>8</span><span style='mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>芯排芯连接到“点阵模块”区域中的“</span><span
lang=EN-US>DC1</span><span style='mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>－</span><span lang=EN-US>DC8</span><span
style='mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>”端口上；</span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:1.0cm;text-indent:-1.0cm;line-height:150%;tab-stops:list 0cm;
word-break:break-all'><b style='mso-bidi-font-weight:normal'><i
style='mso-bidi-font-style:normal'><span lang=EN-US style='font-family:"Arial Black";
mso-fareast-font-family:华文新魏'>4</span></i></b><b style='mso-bidi-font-weight:
normal'><i style='mso-bidi-font-style:normal'><span style='font-family:华文新魏;
mso-ascii-font-family:"Arial Black";mso-hansi-font-family:"Arial Black"'>．</span></i></b><b
style='mso-bidi-font-weight:normal'><i style='mso-bidi-font-style:normal'><span
lang=EN-US style='font-size:7.0pt;line-height:150%;font-family:"Times New Roman";
mso-fareast-font-family:华文新魏'> </span></i></b><b
style='mso-bidi-font-weight:normal'><i style='mso-bidi-font-style:normal'><span
style='font-family:幼圆'>程序设计内容<u1:P> </span></i></b><span lang=EN-US></u1:P></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:49.35pt;text-indent:-1.0cm;line-height:150%;tab-stops:list 21.0pt;
word-break:break-all'><span lang=EN-US style='mso-bidi-font-size:10.5pt;
line-height:150%;mso-fareast-font-family:华文新魏'>(1)</span><span
style='mso-bidi-font-size:10.5pt;line-height:150%;font-family:华文新魏;
mso-ascii-font-family:宋体'>．</span><span lang=EN-US style='font-size:7.0pt;
line-height:150%;font-family:"Times New Roman";mso-fareast-font-family:华文新魏'>
</span><span lang=EN-US>8X8</span><span style='mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'> 点阵</span><span lang=EN-US>LED</span><span
style='mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>工作原理说明</span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:21.0pt;line-height:150%;word-break:break-all'><span lang=EN-US>8X8</span><span
style='mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>点阵</span><span
lang=EN-US>LED</span><span style='mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>结构如下图所示</span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
line-height:150%;word-break:break-all'><!--[if supportFields]><span
lang=EN-US><span style='mso-element:field-begin;mso-field-lock:yes'></span>SHAPE
* MERGEFORMAT<span style='mso-element:field-separator'></span></span><![endif]--><span
lang=EN-US><u2:SHAPE id="_x0000_s1026" style="MARGIN-TOP: 0px; Z-INDEX: 1; MARGIN-LEFT: 0px; WIDTH: 285pt; POSITION: absolute; HEIGHT: 408pt; mso-position-horizontal-relative: char; mso-position-vertical-relative: line" type="#_x0000_t75"><u2:IMAGEDATA u3:title="A2" src="file:///C:/DOCUME~1/sxj1/LOCALS~1/Temp/msoclip1/01/clip_image003.png"></u2:IMAGEDATA><u1:LOCK u6:ext="edit" position="t" rotation="t"></u1:LOCK><u7:ANCHORLOCK></u7:ANCHORLOCK></u2:SHAPE><img
border=0 width=380 height=544 id="_x0000_i1035"
src="http://www.runmcu.com/Article/UploadFiles/200509/20050902111736576.jpg"
u8:shapes="_x0000_s1026"><u2:SHAPE id="_x0000_i1026" style="WIDTH: 285pt; HEIGHT: 408pt" type="#_x0000_t75">
<u2:IMAGEDATA cropbottom="65520f" croptop="-65520f"></u2:IMAGEDATA><u1:LOCK u8:ext="edit" position="t" rotation="t"></u1:LOCK></u2:SHAPE></span><!--[if supportFields]><span
lang=EN-US><span style='mso-element:field-end'></span></span><![endif]--><span
style='mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>图</span><span
lang=EN-US>4.24.2</span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
line-height:150%;word-break:break-all'><span style='mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>从图</span><span
lang=EN-US>4.24.2</span><span style='mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>中可以看出，</span><span lang=EN-US>8X8</span><span
style='mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>点阵共需要</span><span
lang=EN-US>64</span><span style='mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>个发光二极管组成，且每个发光二极管是放置在行线和列线的交叉点上，当对应的某一列置</span><span
lang=EN-US>1</span><span style='mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>电平，某一行置</span><span lang=EN-US>0</span><span
style='mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>电平，则相应的二极管就亮；因此要实现一根柱形的亮法，如图</span><span
lang=EN-US>49</span><span style='mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>所示，对应的一列为一根竖柱，或者对应的一行为一根横柱，因此实现柱的亮的方法如下所述：</span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
line-height:150%;word-break:break-all'><span style='mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>一根竖柱：对应的列置</span><span
lang=EN-US>1</span><span style='mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>，而行则采用扫描的方法来实现。</span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
line-height:150%;word-break:break-all'><span style='mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>一根横柱：对应的行置</span><span
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