矩阵键盘显示.zip

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  • Asm
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  • 2021-04-16 15:05
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基于51单片机的4*4矩阵键盘显示,采用逐行逐列扫描法
矩阵键盘显示.zip
  • 矩阵键盘显示.docx
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<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta charset="utf-8"> <meta name="generator" content="pdf2htmlEX"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css"> <link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css"> <link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/626444844f8811599e405dac/raw.css"> <script src="https://static.pudn.com/base/js/compatibility.min.js"></script> <script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script> <script> try{ pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({}); }catch(e){} </script> <title></title> </head> <body> <div id="sidebar" style="display: none"> <div id="outline"> </div> </div> <div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/626444844f8811599e405dac/bg1.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">K3:MOV P1,R2</div><div class="t m0 x1 h3 y3 ff1 fs0 fc0 sc0 ls0 ws0">L6:JB P1.0,L1</div><div class="t m0 x1 h3 y4 ff1 fs0 fc0 sc0 ls0 ws0">MOV A,#00H</div><div class="t m0 x1 h3 y5 ff1 fs0 fc0 sc0 ls0 ws0">LJMP LK</div><div class="t m0 x1 h3 y6 ff1 fs0 fc0 sc0 ls0 ws0">L1:JB P1.1,L2</div><div class="t m0 x1 h3 y7 ff1 fs0 fc0 sc0 ls0 ws0">MOV A,#04H</div><div class="t m0 x1 h3 y8 ff1 fs0 fc0 sc0 ls0 ws0">LJMP LK</div><div class="t m0 x1 h3 y9 ff1 fs0 fc0 sc0 ls0 ws0">L2:JB P1.2,L3</div><div class="t m0 x1 h3 ya ff1 fs0 fc0 sc0 ls0 ws0">MOV A,#08H</div><div class="t m0 x1 h3 yb ff1 fs0 fc0 sc0 ls0 ws0">LJMP LK</div><div class="t m0 x1 h3 yc ff1 fs0 fc0 sc0 ls0 ws0">L3:JB P1.3,NEXT</div><div class="t m0 x1 h3 yd ff1 fs0 fc0 sc0 ls0 ws0">MOV A,#0CH</div><div class="t m0 x1 h3 ye ff1 fs0 fc0 sc0 ls0 ws0">LJMP LK</div><div class="t m0 x1 h3 yf ff1 fs0 fc0 sc0 ls0 ws0">PUSH ACC</div><div class="t m0 x1 h3 y10 ff1 fs0 fc0 sc0 ls0 ws0">K4:LCALL DELA<span class="_ _0"></span>Y2</div><div class="t m0 x1 h3 y11 ff1 fs0 fc0 sc0 ls0 ws0">LCALL KS</div><div class="t m0 x1 h3 y12 ff1 fs0 fc0 sc0 ls0 ws0">JNZ K4</div><div class="t m0 x1 h3 y13 ff1 fs0 fc0 sc0 ls0 ws0">POP ACC</div><div class="t m0 x1 h3 y14 ff1 fs0 fc0 sc0 ls0 ws0">RET</div><div class="t m0 x1 h3 y15 ff1 fs0 fc0 sc0 ls0 ws0">NEXT<span class="_ _1"></span>:</div><div class="t m0 x1 h3 y16 ff1 fs0 fc0 sc0 ls0 ws0">INC R4</div><div class="t m0 x1 h3 y17 ff1 fs0 fc0 sc0 ls0 ws0">MOV A,R2</div><div class="t m0 x1 h3 y18 ff1 fs0 fc0 sc0 ls0 ws0">JNB ACC.7,KEY</div><div class="t m0 x1 h3 y19 ff1 fs0 fc0 sc0 ls0 ws0">RL A</div><div class="t m0 x1 h3 y1a ff1 fs0 fc0 sc0 ls0 ws0">MOV R2,A</div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div> </body> </html>
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