<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://csdnimg.cn/release/download_crawler_static/css/base.min.css"><link rel="stylesheet" href="https://csdnimg.cn/release/download_crawler_static/css/fancy.min.css"><link rel="stylesheet" href="https://csdnimg.cn/release/download_crawler_static/5520099/raw.css"><script src="https://csdnimg.cn/release/download_crawler_static/js/compatibility.min.js"></script><script src="https://csdnimg.cn/release/download_crawler_static/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://csdnimg.cn/release/download_crawler_static/5520099/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">第<span class="_ _0"> </span><span class="ff2 sc1">9</span></div><div class="t m0 x2 h3 y2 ff2 fs0 fc0 sc1 ls0 ws0">9</div><div class="t m0 x2 h3 y1 ff2 fs0 fc0 sc1 ls0 ws0">9</div><div class="t m0 x3 h3 y3 ff2 fs0 fc0 sc1 ls0 ws0"><span class="fc1 sc1">9</span></div><div class="t m0 x4 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">章<span class="_ _1"> </span><span class="ff2 sc1">I2C</span></div><div class="t m0 x5 h3 y2 ff2 fs0 fc0 sc1 ls0 ws0">I2C</div><div class="t m0 x5 h3 y1 ff2 fs0 fc0 sc1 ls0 ws0">I2C</div><div class="t m0 x6 h3 y3 ff2 fs0 fc0 sc1 ls0 ws0"><span class="fc1 sc1">I</span><span class="fc1 sc1">2</span><span class="fc1 sc1">C</span></div><div class="t m0 x7 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">总线：<span class="_ _2"> </span><span class="ff2 sc1">PCF8563</span></div><div class="t m0 x8 h3 y2 ff2 fs0 fc0 sc1 ls0 ws0">PCF8563</div><div class="t m0 x8 h3 y1 ff2 fs0 fc0 sc1 ls0 ws0">PCF8563</div><div class="t m0 x9 h3 y3 ff2 fs0 fc0 sc1 ls0 ws0"><span class="fc1 sc1">P</span><span class="fc1 sc1">C</span><span class="fc1 sc1">F</span><span class="fc1 sc1">8</span><span class="fc1 sc1">5</span><span class="fc1 sc1">6</span><span class="fc1 sc1">3</span></div><div class="t m0 xa h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">时钟芯片应用</div><div class="t m0 xb h4 y4 ff2 fs1 fc0 sc1 ls0 ws0">9.1</div><div class="t m0 xb h4 y5 ff2 fs1 fc0 sc1 ls0 ws0">9.1</div><div class="t m0 xb h4 y4 ff2 fs1 fc0 sc1 ls0 ws0">9.1</div><div class="t m0 xc h4 y6 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">9.1</span></div><div class="t m0 xd h4 y4 ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 xd h4 y5 ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 xd h4 y4 ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 xe h4 y6 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">I</span></div><div class="t m0 xf h5 y7 ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 xf h5 y8 ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 xf h5 y7 ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 x10 h5 y9 ff2 fs2 fc0 sc1 ls0 ws0"><span class="fc1 sc1">2</span></div><div class="t m0 x11 h4 y4 ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x11 h4 y5 ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x11 h4 y4 ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x12 h4 y6 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">C</span></div><div class="t m0 x13 h6 y4 ff1 fs1 fc0 sc0 ls0 ws0">总线介绍</div><div class="t m0 x14 h4 ya ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 x14 h4 yb ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 x14 h4 ya ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 x15 h4 yc ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">I</span></div><div class="t m0 x16 h5 yd ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 x16 h5 ye ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 x16 h5 yd ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 x17 h5 yf ff2 fs2 fc0 sc1 ls0 ws0"><span class="fc1 sc1">2</span></div><div class="t m0 xf h4 ya ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 xf h4 yb ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 xf h4 ya ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x18 h4 yc ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">C</span></div><div class="t m0 x19 h6 ya ff1 fs1 fc0 sc0 ls0 ws0">总线由<span class="_ _3"></span>于它只使用两个<span class="_ _3"></span>控制引脚，现在的<span class="_ _3"></span>使用很普遍，<span class="_ _4"> </span>很多外<span class="_ _3"></span>围芯片使用它，掌</div><div class="t m0 xb h6 y10 ff1 fs1 fc0 sc0 ls0 ws0">握<span class="_ _5"> </span><span class="ff2 sc1">I</span></div><div class="t m0 x1a h4 y11 ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 x1a h4 y10 ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 x1b h4 y12 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">I</span></div><div class="t m0 x1c h5 y13 ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 x1c h5 y14 ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 x1c h5 y13 ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 x1d h5 y15 ff2 fs2 fc0 sc1 ls0 ws0"><span class="fc1 sc1">2</span></div><div class="t m0 x14 h4 y10 ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x14 h4 y11 ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x14 h4 y10 ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x15 h4 y12 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">C</span></div><div class="t m0 x11 h6 y10 ff1 fs1 fc0 sc0 ls0 ws0">总线协议显得特别重要，所以本章作一个较详细的介绍。</div><div class="t m0 xb h4 y16 ff2 fs1 fc0 sc1 ls0 ws0">9.2</div><div class="t m0 xb h4 y17 ff2 fs1 fc0 sc1 ls0 ws0">9.2</div><div class="t m0 xb h4 y16 ff2 fs1 fc0 sc1 ls0 ws0">9.2</div><div class="t m0 xc h4 y18 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">9.2</span></div><div class="t m0 xd h4 y16 ff2 fs1 fc0 sc1 ls0 ws0">PCF8563</div><div class="t m0 xd h4 y17 ff2 fs1 fc0 sc1 ls0 ws0">PCF8563</div><div class="t m0 xd h4 y16 ff2 fs1 fc0 sc1 ls0 ws0">PCF8563</div><div class="t m0 xe h4 y18 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">P</span><span class="fc1 sc1">C</span><span class="fc1 sc1">F</span><span class="fc1 sc1">8563</span></div><div class="t m0 x1e h6 y16 ff1 fs1 fc0 sc0 ls0 ws0">时钟芯片功能</div><div class="t m0 xb h4 y19 ff2 fs1 fc0 sc1 ls0 ws0">9.3</div><div class="t m0 xb h4 y1a ff2 fs1 fc0 sc1 ls0 ws0">9.3</div><div class="t m0 xb h4 y19 ff2 fs1 fc0 sc1 ls0 ws0">9.3</div><div class="t m0 xc h4 y1b ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">9.3</span></div><div class="t m0 xd h4 y19 ff2 fs1 fc0 sc1 ls0 ws0">PCF8563</div><div class="t m0 xd h4 y1a ff2 fs1 fc0 sc1 ls0 ws0">PCF8563</div><div class="t m0 xd h4 y19 ff2 fs1 fc0 sc1 ls0 ws0">PCF8563</div><div class="t m0 xe h4 y1b ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">P</span><span class="fc1 sc1">C</span><span class="fc1 sc1">F</span><span class="fc1 sc1">8563</span></div><div class="t m0 x1e h6 y19 ff1 fs1 fc0 sc0 ls0 ws0">时钟芯片引脚图</div><div class="t m0 xb h4 y1c ff2 fs1 fc0 sc1 ls0 ws0">9.4</div><div class="t m0 xb h4 y1d ff2 fs1 fc0 sc1 ls0 ws0">9.4</div><div class="t m0 xb h4 y1c ff2 fs1 fc0 sc1 ls0 ws0">9.4</div><div class="t m0 xc h4 y1e ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">9.4</span></div><div class="t m0 xd h4 y1c ff2 fs1 fc0 sc1 ls0 ws0">PCF8563</div><div class="t m0 xd h4 y1d ff2 fs1 fc0 sc1 ls0 ws0">PCF8563</div><div class="t m0 xd h4 y1c ff2 fs1 fc0 sc1 ls0 ws0">PCF8563</div><div class="t m0 xe h4 y1e ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">P</span><span class="fc1 sc1">C</span><span class="fc1 sc1">F</span><span class="fc1 sc1">8563</span></div><div class="t m0 x1e h6 y1c ff1 fs1 fc0 sc0 ls0 ws0">内存寄存器概况</div></div><div class="pi" data-data='{"ctm":[1.611830,0.000000,0.000000,1.611830,0.000000,0.000000]}'></div></div></body></html>
<div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://csdnimg.cn/release/download_crawler_static/5520099/bg2.jpg"><div class="t m0 xb h4 y1f ff2 fs1 fc0 sc1 ls0 ws0">9.5</div><div class="t m0 xb h4 y20 ff2 fs1 fc0 sc1 ls0 ws0">9.5</div><div class="t m0 xb h4 y1f ff2 fs1 fc0 sc1 ls0 ws0">9.5</div><div class="t m0 xc h4 y21 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">9.5</span></div><div class="t m0 xd h4 y1f ff2 fs1 fc0 sc1 ls0 ws0">PCF8563</div><div class="t m0 xd h4 y20 ff2 fs1 fc0 sc1 ls0 ws0">PCF8563</div><div class="t m0 xd h4 y1f ff2 fs1 fc0 sc1 ls0 ws0">PCF8563</div><div class="t m0 xe h4 y21 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">P</span><span class="fc1 sc1">C</span><span class="fc1 sc1">F</span><span class="fc1 sc1">8563</span></div><div class="t m0 x1e h6 y1f ff1 fs1 fc0 sc0 ls0 ws0">接线原理图</div><div class="t m0 x1f h4 y22 ff2 fs1 fc0 sc1 ls0 ws0">PCF8563</div><div class="t m0 x1f h4 y23 ff2 fs1 fc0 sc1 ls0 ws0">PCF8563</div><div class="t m0 x1f h4 y22 ff2 fs1 fc0 sc1 ls0 ws0">PCF8563</div><div class="t m0 x20 h4 y24 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">P</span><span class="fc1 sc1">C</span><span class="fc1 sc1">F</span><span class="fc1 sc1">8563</span></div><div class="t m0 x21 h6 y22 ff1 fs1 fc0 sc0 ls0 ws0">接线原理图</div><div class="t m0 xb h4 y25 ff2 fs1 fc0 sc1 ls0 ws0">9.6</div><div class="t m0 xb h4 y26 ff2 fs1 fc0 sc1 ls0 ws0">9.6</div><div class="t m0 xb h4 y25 ff2 fs1 fc0 sc1 ls0 ws0">9.6</div><div class="t m0 xc h4 y27 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">9.6</span></div><div class="t m0 xd h4 y25 ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 xd h4 y26 ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 xd h4 y25 ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 xe h4 y27 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">I</span></div><div class="t m0 xf h5 y28 ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 xf h5 y29 ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 xf h5 y28 ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 x10 h5 y2a ff2 fs2 fc0 sc1 ls0 ws0"><span class="fc1 sc1">2</span></div><div class="t m0 x11 h4 y25 ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x11 h4 y26 ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x11 h4 y25 ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x12 h4 y27 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">C</span></div><div class="t m0 x13 h6 y25 ff1 fs1 fc0 sc0 ls0 ws0">总线开始与结束波形图</div><div class="t m0 x22 h4 y2b ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 x22 h4 y2c ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 x22 h4 y2b ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 x23 h4 y2d ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">I</span></div><div class="t m0 x24 h5 y2e ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 x24 h5 y2f ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 x24 h5 y2e ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 x25 h5 y30 ff2 fs2 fc0 sc1 ls0 ws0"><span class="fc1 sc1">2</span></div><div class="t m0 x26 h4 y2b ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x26 h4 y2c ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x26 h4 y2b ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x27 h4 y2d ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">C</span></div><div class="t m0 x28 h6 y2b ff1 fs1 fc0 sc0 ls0 ws0">总线开始与结束波形图</div></div><div class="pi" data-data='{"ctm":[1.611830,0.000000,0.000000,1.611830,0.000000,0.000000]}'></div></div>
<div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://csdnimg.cn/release/download_crawler_static/5520099/bg3.jpg"><div class="t m0 xb h4 y31 ff2 fs1 fc0 sc1 ls0 ws0">9.7</div><div class="t m0 xb h4 y32 ff2 fs1 fc0 sc1 ls0 ws0">9.7</div><div class="t m0 xb h4 y31 ff2 fs1 fc0 sc1 ls0 ws0">9.7</div><div class="t m0 xc h4 y33 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">9.7</span></div><div class="t m0 xd h4 y31 ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 xd h4 y32 ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 xd h4 y31 ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 xe h4 y33 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">I</span></div><div class="t m0 xf h5 y34 ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 xf h5 y35 ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 xf h5 y34 ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 x10 h5 y36 ff2 fs2 fc0 sc1 ls0 ws0"><span class="fc1 sc1">2</span></div><div class="t m0 x11 h4 y31 ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x11 h4 y32 ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x11 h4 y31 ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x12 h4 y33 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">C</span></div><div class="t m0 x13 h6 y31 ff1 fs1 fc0 sc0 ls0 ws0">总线数据传输波形图</div><div class="t m0 x29 h4 y37 ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 x29 h4 y38 ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 x29 h4 y37 ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 x2a h4 y39 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">I</span></div><div class="t m0 x2b h5 y3a ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 x2b h5 y3b ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 x2b h5 y3a ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 x2c h5 y3c ff2 fs2 fc0 sc1 ls0 ws0"><span class="fc1 sc1">2</span></div><div class="t m0 x2d h4 y37 ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x2d h4 y38 ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x2d h4 y37 ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x2e h4 y39 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">C</span></div><div class="t m0 x2f h6 y37 ff1 fs1 fc0 sc0 ls0 ws0">总线数据传输波形图</div><div class="t m0 xb h4 y1f ff2 fs1 fc0 sc1 ls0 ws0">9.8</div><div class="t m0 xb h4 y20 ff2 fs1 fc0 sc1 ls0 ws0">9.8</div><div class="t m0 xb h4 y1f ff2 fs1 fc0 sc1 ls0 ws0">9.8</div><div class="t m0 xc h4 y21 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">9.8</span></div><div class="t m0 xd h4 y1f ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 xd h4 y20 ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 xd h4 y1f ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 xe h4 y21 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">I</span></div><div class="t m0 xf h5 y3d ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 xf h5 y3e ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 xf h5 y3d ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 x10 h5 y3f ff2 fs2 fc0 sc1 ls0 ws0"><span class="fc1 sc1">2</span></div><div class="t m0 x11 h4 y1f ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x11 h4 y20 ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x11 h4 y1f ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x12 h4 y21 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">C</span></div><div class="t m0 x13 h6 y1f ff1 fs1 fc0 sc0 ls0 ws0">总线数据切换波形图</div><div class="t m0 x29 h4 y40 ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 x29 h4 y41 ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 x29 h4 y40 ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 x2a h4 y42 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">I</span></div><div class="t m0 x2b h5 y43 ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 x2b h5 y44 ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 x2b h5 y43 ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 x2c h5 y45 ff2 fs2 fc0 sc1 ls0 ws0"><span class="fc1 sc1">2</span></div><div class="t m0 x2d h4 y40 ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x2d h4 y41 ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x2d h4 y40 ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x2e h4 y42 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">C</span></div><div class="t m0 x2f h6 y40 ff1 fs1 fc0 sc0 ls0 ws0">总线数据切换波形图</div><div class="t m0 xb h4 y25 ff2 fs1 fc0 sc1 ls0 ws0">9.9</div><div class="t m0 xb h4 y26 ff2 fs1 fc0 sc1 ls0 ws0">9.9</div><div class="t m0 xb h4 y25 ff2 fs1 fc0 sc1 ls0 ws0">9.9</div><div class="t m0 xc h4 y27 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">9.9</span></div><div class="t m0 xd h6 y25 ff1 fs1 fc0 sc0 ls0 ws0">器件地址组成</div><div class="t m0 x14 h6 y46 ff1 fs1 fc0 sc1 ls0 ws0">器件地址组成<span class="_ _6"></span>：固定地址（<span class="_ _6"></span>厂家）＋外部<span class="_ _6"></span>连线地址＋１<span class="_ _6"></span>位读写地址</div><div class="t m0 xb h4 y47 ff2 fs1 fc0 sc1 ls0 ws0">9.10</div><div class="t m0 xb h4 y48 ff2 fs1 fc0 sc1 ls0 ws0">9.10</div><div class="t m0 xb h4 y47 ff2 fs1 fc0 sc1 ls0 ws0">9.10</div><div class="t m0 xc h4 y49 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">9.10</span></div><div class="t m0 x30 h4 y47 ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 x30 h4 y48 ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 x30 h4 y47 ff2 fs1 fc0 sc1 ls0 ws0">I</div><div class="t m0 x31 h4 y49 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">I</span></div><div class="t m0 x32 h5 y4a ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 x32 h5 y4b ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 x32 h5 y4a ff2 fs2 fc0 sc1 ls0 ws0">2</div><div class="t m0 x33 h5 y4c ff2 fs2 fc0 sc1 ls0 ws0"><span class="fc1 sc1">2</span></div><div class="t m0 x34 h4 y47 ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x34 h4 y48 ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x34 h4 y47 ff2 fs1 fc0 sc1 ls0 ws0">C</div><div class="t m0 x35 h4 y49 ff2 fs1 fc0 sc1 ls0 ws0"><span class="fc1 sc1">C</span></div><div class="t m0 x36 h6 y47 ff1 fs1 fc0 sc0 ls0 ws0">总线操作流程说明</div><div class="t m0 xb h6 y4d ff3 fs1 fc0 sc1 ls0 ws0">9.10.1<span class="_ _7"> </span><span class="ff1">写操作顺序（<span class="_ _6"></span>写一个字节）<span class="_ _8"> </span>：</span></div><div class="t m0 x34 h6 y4e ff1 fs1 fc0 sc1 ls0 ws0">启动总线<span class="_ _2"> </span>→<span class="_ _9"> </span>器件地址<span class="_ _2"> </span>→<span class="_ _9"> </span>单元地址<span class="_ _2"> </span>→<span class="_ _9"> </span>写数据<span class="_ _7"> </span>→</div><div class="t m1 x37 h6 y4e ff1 fs1 fc0 sc1 ls0 ws0">．<span class="_ _a"> </span>．<span class="_ _a"> </span>．</div><div class="t m0 x38 h6 y4e ff1 fs1 fc0 sc1 ls0 ws0">→<span class="_ _9"> </span>关闭总线</div></div><div class="pi" data-data='{"ctm":[1.611830,0.000000,0.000000,1.611830,0.000000,0.000000]}'></div></div>
单片机C语言编程与实践课件
