BH1750FVI环境光检测全套资料_GY-30板子_arm_其他

<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/625767ee60196e4b84a901c9/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/625767ee60196e4b84a901c9/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">B<span class="_ _0"></span>H<span class="_ _0"></span>1<span class="_ _0"></span>7<span class="_ _0"></span>5<span class="_ _0"></span>0<span class="_ _0"></span>F<span class="_ _0"></span>V<span class="_ _0"></span>I<span class="_ _0"></span> <span class="ls1 ws1"> <span class="ff2 ls2 ws2">Technical Note</span><span class="ff3 fs1 ls3"></span></span></div><div class="t m0 x2 h3 y2 ff3 fs2 fc0 sc0 ls3 ws1"></div><div class="t m0 x3 h4 y3 ff4 fs0 fc0 sc0 ls3 ws1">环境光强度传感器集成电路系列 </div><div class="t m0 x3 h5 y4 ff4 fs3 fc0 sc1 ls4 ws1">16<span class="_ _1"> </span>位数字输出型 </div><div class="t m0 x3 h5 y5 ff4 fs3 fc0 sc1 ls5 ws1">环境光强度传感器集成电路 </div><div class="t m0 x3 h6 y6 ff5 fs0 fc0 sc0 ls6 ws1">BH1750FVI<span class="ff6 ls7"><span class="ff3 fs2 ls8"><span class="_ _2"></span><span class="_ _2"></span><span class="_ _2"></span><span class="_ _2"></span><span class="_ _2"></span></span></span><span class="ls9">No.10046ECT01<span class="ff3 fs2 ls3"></span></span></div><div class="t m0 x3 h7 y7 ff7 fs0 fc0 sc0 ls3 ws1"><span class="ff2"> <span class="_ _3"> </span><span class="ff4 sc1 lsa">产品介绍</span><span class="ff8"> </span></span></div><div class="t m0 x4 h8 y8 ff9 fs2 fc0 sc0 lsb ws1">BH1750FVI<span class="ff3 ls3"><span class="_ _4"> </span><span class="ff4">是一种用于两线式串行总线接口的数字型光强度传感器集成电路。<span class="_ _5"></span>这种集成</span></span></div><div class="t m0 x4 h8 y9 ff4 fs2 fc0 sc0 ls3 ws1">电路可以根据采集的光线强度数据来调整液晶或者键盘背景灯的亮度。<span class="_ _6"></span>利用它的高分辨</div><div class="t m0 x4 h8 ya ff4 fs2 fc0 sc0 ls3 ws1">率可以探测较大范围的光强度变化。<span class="_ _7"></span>（<span class="ff9 lsc">1lx<span class="_ _8"></span><span class="ff3 ls3">‐<span class="ff9 lsd">65535lx</span><span class="ff4">）</span></span></span></div><div class="t m0 x3 h7 yb ff7 fs0 fc0 sc0 ls3 ws1"><span class="ff2"> <span class="_ _3"> </span><span class="ff4 sc1 lsa">产品特点</span><span class="ff8"> </span></span></div><div class="t m0 x4 h8 yc ff9 fs2 fc0 sc0 lse ws1">1.<span class="ff3 ls3"><span class="_"> </span><span class="ff4">支持<span class="ff9">I</span></span></span></div><div class="t m0 x5 h9 yd ff9 fs4 fc0 sc0 ls3 ws1">2</div><div class="t m0 x6 h8 yc ff9 fs2 fc0 sc0 ls3 ws1">C<span class="ff3"></span><span class="lsf">BUS</span><span class="ff4">接口</span><span class="lsf">(f/s</span><span class="ff3"></span><span class="ls10">Mode</span><span class="ff3"></span><span class="ls11">Support)</span><span class="ff4">。<span class="ff3"></span></span></div><div class="t m0 x4 h8 ye ff9 fs2 fc0 sc0 lse ws1">2.<span class="ff3 ls3"><span class="_"> </span><span class="ff4">接近人眼视觉灵敏度的光谱灵敏度特性<span class="ff9">(</span>峰值灵敏度波长典型值</span></span><span class="ls12">:560nm)<span class="ff4 ls3">。<span class="ff3"></span></span></span></div><div class="t m0 x4 h8 yf ff9 fs2 fc0 sc0 lse ws1">3.<span class="ff3 ls3"><span class="_"> </span><span class="ff4">输出对应光照度的数值。</span></span></div><div class="t m0 x4 h8 y10 ff9 fs2 fc0 sc0 lse ws1">4.<span class="ff3 ls3"><span class="_"> </span><span class="ff4">较宽的测量范围和高精度</span><span class="_ _4"> </span><span class="ff9">(<span class="ff4">相当于<span class="_ _4"> </span></span>1</span>‐</span><span class="ls13">655<span class="_ _8"></span>35lx)<span class="ff4 ls3">。<span class="ff3"></span></span></span></div><div class="t m0 x4 h8 y11 ff9 fs2 fc0 sc0 lse ws1">5.<span class="ff3 ls3"><span class="_"> </span><span class="ff4">通过降低功率功能<span class="ff9">,</span>实现低电流化。</span></span></div><div class="t m0 x4 h8 y12 ff9 fs2 fc0 sc0 lse ws1">6.<span class="ff3 ls3"><span class="_"> </span><span class="ff4">通过<span class="_ _4"> </span></span></span><span class="ls14">50Hz/<span class="_ _9"></span>60Hz<span class="_ _4"> </span><span class="ff4 ls3">的除光噪音功能实现稳定的测量<span class="ff3"></span></span></span></div><div class="t m0 x4 h8 y13 ff9 fs2 fc0 sc0 lse ws1">7.<span class="ff3 ls3"><span class="_"> </span><span class="ff4">支持<span class="_ _4"> </span></span></span><span class="ls15">1.8V<span class="_ _a"> </span><span class="ff4 ls3">逻辑输入接口。<span class="ff3"></span></span></span></div><div class="t m0 x4 h8 y14 ff9 fs2 fc0 sc0 lse ws1">8.<span class="ff3 ls3"><span class="_"> </span><span class="ff4">无需其他外部件。</span></span></div><div class="t m0 x4 h8 y15 ff9 fs2 fc0 sc0 lse ws1">9.<span class="ff3 ls3"><span class="_"> </span><span class="ff4">光源依赖性弱（白炽灯，荧光灯，卤素灯，白光<span class="_ _a"> </span></span></span><span class="ls11">LED<span class="ff4 ls3">，日光灯）<span class="_ _7"></span>。<span class="ff3"></span></span></span></div><div class="t m0 x4 h8 y16 ff9 fs2 fc0 sc0 lse ws1">10.<span class="ff3 ls3"><span class="_ _b"> </span><span class="ff4">有两种可选的<span class="ff9">I</span></span></span></div><div class="t m0 x7 h9 y17 ff9 fs4 fc0 sc0 ls3 ws1">2</div><div class="t m0 x8 h8 y18 ff9 fs2 fc0 sc0 ls3 ws1">C<span class="ff3"></span><span class="ls16">slave<span class="ff4 ls17">地址<span class="_ _8"></span>。<span class="ff3 ls3"></span></span></span></div><div class="t m0 x4 h8 y19 ff9 fs2 fc0 sc0 lse ws1">11.<span class="ff3 ls3"><span class="_ _b"> </span><span class="ff4">可根据光学窗口调整测量结果<span class="_ _c"></span>（采用这种方法可探测光照度从最小值<span class="_ _a"> </span><span class="ff9 ls18">1.1<span class="_ _2"></span></span><span class="ff3"><span class="ff9 ls19">lx<span class="_ _4"> </span></span></span>到最大</span></span></div><div class="t m0 x4 h8 y1a ff4 fs2 fc0 sc0 ls3 ws1">值<span class="_ _a"> </span><span class="ff9 lse">100000</span><span class="ff3"><span class="ff9 ls19">lx<span class="_ _4"> </span></span></span>的范围。<span class="_ _7"></span>）<span class="ff3"></span></div><div class="t m0 x4 h8 y1b ff9 fs2 fc0 sc0 lse ws1">12.<span class="ff3 ls3"><span class="_ _b"> </span><span class="ff4">最小误差变动在±</span></span><span class="ls1a">20%<span class="ff4 ls3">。<span class="ff3"></span></span></span></div><div class="t m0 x4 h8 y1c ff9 fs2 fc0 sc0 lse ws1">13.<span class="ff3 ls3"><span class="_ _b"> </span><span class="ff4">受红外线影响很小。</span></span></div><div class="t m0 x3 h7 y1d ff7 fs0 fc0 sc0 ls3 ws1"><span class="ff2"> <span class="_ _3"> </span><span class="ff4 sc1 lsa">产品应用</span><span class="ff8"> </span></span></div><div class="t m0 x4 h8 y1e ff4 fs2 fc0 sc0 ls3 ws1">移动电话，<span class="_ _c"></span>液晶电视，<span class="_ _d"></span>笔记本电脑，<span class="_ _c"></span>便携式游戏机，<span class="_ _d"></span>数码相机，<span class="_ _c"></span>数码摄像机，<span class="_ _d"></span>汽车定位</div><div class="t m0 x4 h8 y1f ff4 fs2 fc0 sc0 ls3 ws1">系统，液晶显示器。<span class="ff3"></span></div><div class="t m0 x3 h7 y20 ff7 fs0 fc0 sc0 ls3 ws1"><span class="ff2"> <span class="_ _3"> </span><span class="ff4 sc1 ls1b">最大额定参数</span><span class="ff8"> </span></span></div><div class="t m0 x9 h8 y21 ff4 fs2 fc0 sc0 ls3 ws1">参数 <span class="_ _e"> </span>符号 <span class="_ _f"> </span>额定值 <span class="_ _10"> </span>单位 </div><div class="t m0 xa h8 y22 ff4 fs2 fc0 sc0 ls3 ws1">电源电压 <span class="_ _11"> </span>V</div><div class="t m0 xb ha y23 ff4 fs5 fc0 sc0 ls3 ws1">max</div><div class="t m0 xc h8 y22 ff4 fs2 fc0 sc0 ls1c ws1"> 4<span class="_ _12"></span>.<span class="_ _12"></span>5<span class="_ _12"></span> <span class="_ _13"></span>V<span class="_ _12"></span> </div><div class="t m0 xa h8 y24 ff4 fs2 fc0 sc0 ls3 ws1">运行温度 <span class="_ _11"> </span>T</div><div class="t m0 xb ha y25 ff4 fs5 fc0 sc0 ls3 ws1">opr</div><div class="t m0 xc h8 y24 ff4 fs2 fc0 sc0 ls16 ws1"> <span class="_ _14"> </span>-40~85 <span class="_ _15"> </span>℃ </div><div class="t m0 xa h8 y26 ff4 fs2 fc0 sc0 ls3 ws1">储存温度 <span class="_ _11"> </span>T</div><div class="t m0 xb ha y27 ff4 fs5 fc0 sc0 ls3 ws1">stg</div><div class="t m0 xc h8 y26 ff4 fs2 fc0 sc0 ls16 ws1"> <span class="_ _14"> </span>40~100 <span class="_ _15"> </span>℃ </div><div class="t m0 xa h8 y28 ff4 fs2 fc0 sc0 ls3 ws1">反向电流 <span class="_ _11"> </span>I</div><div class="t m0 xb ha y29 ff4 fs5 fc0 sc0 ls3 ws1">max</div><div class="t m0 xc h8 y28 ff4 fs2 fc0 sc0 ls1d ws1"> <span class="_ _16"> </span>7 <span class="_ _17"> </span>mA </div><div class="t m0 xa h8 y2a ff4 fs2 fc0 sc0 ls3 ws1">功率损耗 <span class="_ _18"> </span>P</div><div class="t m0 xd ha y2b ff4 fs5 fc0 sc0 ls3 ws1">d</div><div class="t m0 xe h8 y2a ff4 fs2 fc0 sc0 ls1d ws1"> <span class="_ _19"> </span>260 <span class="_ _1a"> </span>mW </div><div class="t m0 xf h8 y24 ff4 fs2 fc0 sc0 ls3 ws1">※<span class="ff9 ls1e">70m<span class="_ _2"></span>m</span>×<span class="ff9 ls1e">70<span class="_ _2"></span>mm<span class="_ _2"></span></span>×<span class="ff9 ls1f">1.6mm</span></div><div class="t m0 x10 h8 y2c ff4 fs2 fc0 sc0 ls3 ws1">玻璃纤维环氧树脂电路板。<span class="_ _1b"></span><span class="ff3"></span></div><div class="t m0 x3 h7 y2d ff7 fs0 fc0 sc0 ls3 ws1"><span class="ff2"> <span class="_ _3"> </span><span class="ff4 sc1 lsa">运行条件</span><span class="ff8"> </span></span></div><div class="t m0 x11 h8 y2e ff4 fs2 fc0 sc0 ls3 ws1">参数 <span class="_ _11"> </span>符号 <span class="_ _14"> </span>最小值 <span class="_ _f"> </span>时间 <span class="_ _1c"> </span>最大值 <span class="_ _1d"> </span>单位 </div><div class="t m0 x12 h8 y2f ff4 fs2 fc0 sc0 ls20 ws1">VCC<span class="_ _4"> </span>电压 <span class="_ _1e"> </span>Vcc <span class="_ _19"> </span>2.4<span class="_ _2"></span> <span class="_ _1f"> </span>3.0 <span class="_ _19"> </span>3.6 <span class="_ _20"> </span>V </div><div class="t m0 x13 h8 y30 ff4 fs2 fc0 sc0 ls3 ws1">I</div><div class="t m0 x14 ha y31 ff4 fs5 fc0 sc0 ls3 ws1">2</div><div class="t m0 x15 h8 y30 ff4 fs2 fc0 sc0 ls15 ws1">C 参考电压 <span class="_ _21"> </span>V</div><div class="t m0 x16 ha y32 ff4 fs5 fc0 sc0 ls3 ws1">DVI</div><div class="t m0 x17 h8 y30 ff4 fs2 fc0 sc0 ls1d ws1"> <span class="_ _22"> </span>1.65 <span class="_ _23"> </span>- <span class="_ _24"> </span>V</div><div class="t m0 x18 ha y32 ff4 fs5 fc0 sc0 ls3 ws1">CC</div><div class="t m0 x19 h8 y30 ff4 fs2 fc0 sc0 ls21 ws1"> V<span class="_ _25"></span> </div><div class="t m0 x1a hb y33 ff9 fs1 fc0 sc0 ls3 ws1">1<span class="ff3"></span></div><div class="t m0 x1b hb y34 ff9 fs1 fc0 sc0 ls22 ws1">Tr<span class="_ _2"></span>a<span class="_ _26"></span>n<span class="_ _26"></span>s<span class="_ _2"></span>l<span class="_ _26"></span>a<span class="_ _26"></span>t<span class="_ _2"></span>e<span class="_ _26"></span>d<span class="_ _2"></span><span class="ff3 ls3"></span><span class="ls23">by<span class="_ _2"></span><span class="ff3 ls3"></span><span class="ls24">LICHONGZHENG<span class="ff3 ls3"></span><span class="ls25">SOUTHEAST<span class="ff3 ls3"></span>UNIVERSITY<span class="ff3 ls3"></span></span></span></span></div><div class="t m0 x3 hc y35 ff2 fs6 fc0 sc0 ls3 ws1"> </div></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div> 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<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://static.pudn.com/prod/directory_preview_static/625767ee60196e4b84a901c9/bg2.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">B<span class="_ _0"></span>H<span class="_ _0"></span>1<span class="_ _0"></span>7<span class="_ _0"></span>5<span class="_ _0"></span>0<span class="_ _0"></span>F<span class="_ _0"></span>V<span class="_ _0"></span>I<span class="_ _0"></span> <span class="ls1 ws1"> <span class="ff2 ls2 ws2">Technical Note</span><span class="ff3 fs1 ls3"></span></span></div><div class="t m0 x1a hb y33 ff9 fs1 fc0 sc0 ls3 ws1">2<span class="ff3"></span></div><div class="t m0 x1b hb y34 ff9 fs1 fc0 sc0 ls22 ws1">Tr<span class="_ _2"></span>a<span class="_ _26"></span>n<span class="_ _26"></span>s<span class="_ _2"></span>l<span class="_ _26"></span>a<span class="_ _26"></span>t<span class="_ _2"></span>e<span class="_ _26"></span>d<span class="_ _2"></span><span class="ff3 ls3"></span><span class="ls23">by<span class="_ _2"></span><span class="ff3 ls3"></span><span class="ls24">LICHONGZHENG<span class="ff3 ls3"></span><span class="ls25">SOUTHEAST<span class="ff3 ls3"></span>UNIVERSITY<span class="ff3 ls3"></span></span></span></span></div><div class="t m0 x3 hc y35 ff2 fs6 fc0 sc0 ls3 ws1"> </div><div class="t m0 x3 h7 y36 ff7 fs0 fc0 sc0 ls3 ws1"><span class="ff2"> <span class="_ _3"> </span><span class="ff4 sc1 lsa">电气特性</span><span class="ff8"> </span></span></div><div class="t m0 x11 hd y37 ff4 fs1 fc0 sc0 ls3 ws1">参数 <span class="_ _27"> </span>符号<span class="_ _15"> </span>最小值 <span class="_ _28"> </span>时间<span class="_ _15"> </span>最大值 <span class="_ _29"> </span>单位<span class="_ _2a"> </span>条件 </div><div class="t m0 x1c hd y38 ff4 fs1 fc0 sc0 ls3 ws1">电源电流 <span class="_ _2b"> </span>I</div><div class="t m0 xc he y39 ff4 fs7 fc0 sc0 ls26 ws1">CC1</div><div class="t m0 x1d hd y38 ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _1c"> </span>— <span class="_ _2c"> </span>120<span class="_ _1c"> </span>190 <span class="_ _21"> </span>μA <span class="_ _2d"> </span>Ev=100 lx </div><div class="t m0 x11 hd y3a ff4 fs1 fc0 sc0 ls3 ws1">电流 <span class="_ _2e"> </span>I</div><div class="t m0 xc he y3b ff4 fs7 fc0 sc0 ls26 ws1">CC2</div><div class="t m0 x1d hd y3a ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _1c"> </span>— <span class="_ _2f"> </span>0.01<span class="_ _30"> </span>1.0 <span class="_ _21"> </span>μA <span class="_ _1f"> </span>无入射光 </div><div class="t m0 x1e hd y3c ff4 fs1 fc0 sc0 ls3 ws1">峰波长 <span class="_ _31"> </span>λp <span class="_ _14"> </span>— <span class="_ _32"> </span>560<span class="_ _33"> </span>— <span class="_ _1e"> </span>nm <span class="_ _34"> </span> </div><div class="t m0 x1c hd y3d ff4 fs1 fc0 sc0 ls3 ws1">测量精度 </div><div class="t m0 xd hd y3e ff4 fs1 fc0 sc0 ls3 ws1">S/A <span class="_ _35"> </span>0.96 <span class="_ _29"> </span>1.2<span class="_ _30"> </span>1.44 <span class="_ _2f"> </span>times</div><div class="t m0 x1f hd y3f ff4 fs1 fc0 sc0 ls3 ws1">传感器输出/实际<span class="_ _a"> </span>lx</div><div class="t m0 x20 hd y40 ff4 fs1 fc0 sc0 ls3 ws1">EV=1000 lx </div><div class="t m0 x1e hd y41 ff4 fs1 fc0 sc0 ls3 ws1">传感器 </div><div class="t m0 xe hd y42 ff4 fs1 fc0 sc0 ls3 ws1">S</div><div class="t m0 x21 he y43 ff4 fs7 fc0 sc0 ls3 ws1">0</div><div class="t m0 x22 hd y44 ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _36"> </span>0 <span class="_ _37"> </span>0 <span class="_ _2d"> </span>3 <span class="_ _38"> </span>count<span class="_ _30"> </span>高分辨率模式 </div><div class="t m0 x23 hd y45 ff4 fs1 fc0 sc0 ls3 ws1">H-Resolution<span class="_ _a"> </span>模式分辨率 </div><div class="t m0 x24 hd y46 ff4 fs1 fc0 sc0 ls3 ws1">r</div><div class="t m0 x25 he y47 ff4 fs7 fc0 sc0 ls26 ws1">HR</div><div class="t m0 x26 hd y48 ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _37"> </span>－ <span class="_ _39"> </span>1 <span class="_ _33"> </span>－ <span class="_ _3a"> </span>lx <span class="_ _3b"> </span> </div><div class="t m0 x23 hd y49 ff4 fs1 fc0 sc0 ls3 ws1">L-Resolution<span class="_ _a"> </span>模式分辨率 </div><div class="t m0 x24 hd y4a ff4 fs1 fc0 sc0 ls3 ws1">r</div><div class="t m0 x25 he y4b ff4 fs7 fc0 sc0 ls26 ws1">LR</div><div class="t m0 x26 hd y4c ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _37"> </span>－ <span class="_ _39"> </span>4 <span class="_ _33"> </span>－ <span class="_ _3a"> </span>lx <span class="_ _3b"> </span> </div><div class="t m0 x27 hd y4d ff4 fs1 fc0 sc0 ls3 ws1">H-Resolution<span class="_ _a"> </span>模式测量时间 </div><div class="t m0 x24 hd y4e ff4 fs1 fc0 sc0 ls3 ws1">t</div><div class="t m0 x25 he y4f ff4 fs7 fc0 sc0 ls26 ws1">HR</div><div class="t m0 x26 hd y50 ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _37"> </span>－ <span class="_ _2c"> </span>120<span class="_ _1c"> </span>180 <span class="_ _37"> </span>ms <span class="_ _3b"> </span> </div><div class="t m0 x27 hd y51 ff4 fs1 fc0 sc0 ls3 ws1">L-Resolution<span class="_ _a"> </span>模式测量时间 </div><div class="t m0 x24 hd y52 ff4 fs1 fc0 sc0 ls3 ws1">t</div><div class="t m0 x25 he y53 ff4 fs7 fc0 sc0 ls26 ws1">LR</div><div class="t m0 x26 hd y54 ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _37"> </span>－ <span class="_ _21"> </span>16 <span class="_ _1c"> </span>24 <span class="_ _1d"> </span>ms <span class="_ _3b"> </span> </div><div class="t m0 x28 hd y55 ff4 fs1 fc0 sc0 ls3 ws1">白炽/荧光传感器出比 </div><div class="t m0 x24 hd y56 ff4 fs1 fc0 sc0 ls3 ws1">r</div><div class="t m0 x25 he y57 ff4 fs7 fc0 sc0 ls26 ws1">IF</div><div class="t m0 x26 hd y58 ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _37"> </span>－ <span class="_ _39"> </span>1 <span class="_ _33"> </span>－ <span class="_ _3c"> </span>times<span class="_ _33"> </span>EV=1000 lx </div><div class="t m0 x28 hd y59 ff4 fs1 fc0 sc0 ls3 ws1">ADDR 高电平电压输入 </div><div class="t m0 x24 hd y5a ff4 fs1 fc0 sc0 ls3 ws1">V</div><div class="t m0 x25 he y5b ff4 fs7 fc0 sc0 ls26 ws1">AH</div><div class="t m0 x26 hd y5c ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _3d"> </span>0.7 <span class="_ _c"></span>* <span class="_ _d"></span>VCC<span class="_ _3d"> </span>－ <span class="_ _14"> </span>－ <span class="_ _3e"> </span>V <span class="_ _3f"> </span> </div><div class="t m0 x29 hd y5d ff4 fs1 fc0 sc0 ls3 ws1">ADDR<span class="_ _a"> </span>低电平电压输入 </div><div class="t m0 x24 hd y5e ff4 fs1 fc0 sc0 ls3 ws1">V</div><div class="t m0 x25 he y5f ff4 fs7 fc0 sc0 ls26 ws1">AL</div><div class="t m0 x26 hd y60 ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _37"> </span>－ <span class="_ _21"> </span>－ <span class="_ _40"> </span>0.3*VCC <span class="_ _32"> </span>V <span class="_ _3f"> </span> </div><div class="t m0 x2a hd y61 ff4 fs1 fc0 sc0 ls3 ws1">DVI 低电平电压输入 </div><div class="t m0 xd hd y62 ff4 fs1 fc0 sc0 ls3 ws1">V</div><div class="t m0 xc he y63 ff4 fs7 fc0 sc0 ls26 ws1">DVL</div><div class="t m0 x1d hd y64 ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _1c"> </span>－ <span class="_ _1e"> </span> <span class="_ _33"> </span>0.4 <span class="_ _1d"> </span>V <span class="_ _3f"> </span> </div><div class="t m0 x27 hd y65 ff4 fs1 fc0 sc0 ls3 ws1">SCL, SDA<span class="_ _a"> </span>高电平电压输入 1 </div><div class="t m0 xd hd y66 ff4 fs1 fc0 sc0 ls3 ws1">V</div><div class="t m0 xc he y67 ff4 fs7 fc0 sc0 ls26 ws1">IH1</div><div class="t m0 x1d hd y68 ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _10"> </span>0.7 <span class="_ _c"></span>* <span class="_ _d"></span>DVI<span class="_ _41"> </span>－ <span class="_ _2d"> </span> <span class="_ _19"> </span>V <span class="_ _1a"> </span>DVI≧1.8V </div><div class="t m0 x27 hd y69 ff4 fs1 fc0 sc0 ls3 ws1">SCL, SDA 高电平电压输入<span class="_ _a"> </span>2 </div><div class="t m0 xd hd y6a ff4 fs1 fc0 sc0 ls3 ws1">V</div><div class="t m0 xc he y6b ff4 fs7 fc0 sc0 ls26 ws1">IH2</div><div class="t m0 x1d hd y6c ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _42"> </span>1.26 <span class="_ _2f"> </span>－ <span class="_ _14"> </span>－ <span class="_ _3e"> </span>V </div><div class="t m0 x2b hd y6d ff4 fs1 fc0 sc0 ls3 ws1">1.65V≦DVI＜</div><div class="t m0 x2c hd y6e ff4 fs1 fc0 sc0 ls3 ws1">1.8V </div><div class="t m0 x2d hd y6f ff4 fs1 fc0 sc0 ls3 ws1">SCL, SDA<span class="_ _a"> </span>低电平电压输入<span class="_ _43"> </span>1 </div><div class="t m0 xd hd y70 ff4 fs1 fc0 sc0 ls3 ws1">V</div><div class="t m0 xc he y71 ff4 fs7 fc0 sc0 ls26 ws1">IL1</div><div class="t m0 x1d hd y72 ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _1c"> </span>－ <span class="_ _21"> </span>－ <span class="_ _40"> </span>0.3*DVI <span class="_ _32"> </span>V <span class="_ _1a"> </span>DVI≧1.8V </div><div class="t m0 x2d hd y73 ff4 fs1 fc0 sc0 ls3 ws1">SCL, SDA<span class="_ _43"> </span>低电平电压输入<span class="_ _a"> </span>2 </div><div class="t m0 xd hd y74 ff4 fs1 fc0 sc0 ls3 ws1">V</div><div class="t m0 xc he y75 ff4 fs7 fc0 sc0 ls26 ws1">IL2</div><div class="t m0 x1d hd y76 ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _1c"> </span>－ <span class="_ _21"> </span>－ <span class="_ _44"> </span>DVI–1.26<span class="_ _32"> </span>V </div><div class="t m0 x2b hd y77 ff4 fs1 fc0 sc0 ls3 ws1">1.65V≦DVI＜</div><div class="t m0 x2c hd y78 ff4 fs1 fc0 sc0 ls3 ws1">1.8V </div><div class="t m0 x2e hd y79 ff4 fs1 fc0 sc0 ls3 ws1">SCL,SDA,ADDR 高电平电电流输入 </div><div class="t m0 x24 hd y7a ff4 fs1 fc0 sc0 ls3 ws1">I</div><div class="t m0 x25 he y7b ff4 fs7 fc0 sc0 ls26 ws1">IH</div><div class="t m0 x26 hd y7c ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _37"> </span>－ <span class="_ _21"> </span>－ <span class="_ _1c"> </span>10 <span class="_ _1d"> </span>µA <span class="_ _3b"> </span> </div><div class="t m0 x2f hd y7d ff4 fs1 fc0 sc0 ls3 ws1">SCL,SDA,ADDR<span class="_ _43"> </span>低电平电电流输入 </div><div class="t m0 x24 hd y7e ff4 fs1 fc0 sc0 ls3 ws1">I</div><div class="t m0 x25 he y7f ff4 fs7 fc0 sc0 ls26 ws1">IL</div><div class="t m0 x26 hd y80 ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _37"> </span>－ <span class="_ _21"> </span>－ <span class="_ _1c"> </span>10 <span class="_ _1d"> </span>µA <span class="_ _3b"> </span> </div><div class="t m0 x30 hd y81 ff4 fs1 fc0 sc0 ls3 ws1">I</div><div class="t m0 x31 he y82 ff4 fs7 fc0 sc0 ls3 ws1">2</div><div class="t m0 x32 hd y81 ff4 fs1 fc0 sc0 ls3 ws1">C SCL 时钟频率 </div><div class="t m0 xd hd y83 ff4 fs1 fc0 sc0 ls3 ws1">f</div><div class="t m0 xc he y84 ff4 fs7 fc0 sc0 ls26 ws1">SCL</div><div class="t m0 x1d hd y85 ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _1c"> </span>－ <span class="_ _21"> </span>－ <span class="_ _30"> </span>400 <span class="_ _1a"> </span>kHz <span class="_ _45"> </span> </div><div class="t m0 x30 hd y86 ff4 fs1 fc0 sc0 ls3 ws1">I</div><div class="t m0 x31 he y87 ff4 fs7 fc0 sc0 ls3 ws1">2</div><div class="t m0 x32 hd y86 ff4 fs1 fc0 sc0 ls3 ws1">C 总线空闲时间 </div><div class="t m0 xd hd y88 ff4 fs1 fc0 sc0 ls3 ws1">t</div><div class="t m0 xc he y89 ff4 fs7 fc0 sc0 ls26 ws1">BUF</div><div class="t m0 x1d hd y8a ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _46"> </span>1.3 <span class="_ _32"> </span>－ <span class="_ _1c"> </span>－ <span class="_ _3a"> </span>µs <span class="_ _3b"> </span> </div><div class="t m0 x33 hd y8b ff4 fs1 fc0 sc0 ls3 ws1">I</div><div class="t m0 x27 he y8c ff4 fs7 fc0 sc0 ls3 ws1">2</div><div class="t m0 x34 hd y8b ff4 fs1 fc0 sc0 ls3 ws1">C维持时间(重复)开始的状态 </div><div class="t m0 x35 hd y8d ff4 fs1 fc0 sc0 ls3 ws1">t</div><div class="t m0 x36 he y8e ff4 fs7 fc0 sc0 ls26 ws1">HDSTA</div><div class="t m0 x37 hd y8f ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _42"> </span>0.6 <span class="_ _32"> </span>－ <span class="_ _1c"> </span>－ <span class="_ _3a"> </span>µs <span class="_ _3b"> </span> </div><div class="t m0 x28 hd y90 ff4 fs1 fc0 sc0 ls3 ws1">I</div><div class="t m0 x38 he y91 ff4 fs7 fc0 sc0 ls3 ws1">2</div><div class="t m0 x4 hd y90 ff4 fs1 fc0 sc0 ls3 ws1">C “开始”复位时间 </div><div class="t m0 x35 hd y92 ff4 fs1 fc0 sc0 ls3 ws1">t</div><div class="t m0 x36 he y93 ff4 fs7 fc0 sc0 ls26 ws1">SUSTA</div><div class="t m0 x37 hd y94 ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _42"> </span>0.6 <span class="_ _32"> </span>－ <span class="_ _1c"> </span>－ <span class="_ _3a"> </span>µs <span class="_ _3b"> </span> </div><div class="t m0 x28 hd y95 ff4 fs1 fc0 sc0 ls3 ws1">I</div><div class="t m0 x38 he y96 ff4 fs7 fc0 sc0 ls3 ws1">2</div><div class="t m0 x4 hd y95 ff4 fs1 fc0 sc0 ls3 ws1">C “停止”复位时间 </div><div class="t m0 x35 hd y97 ff4 fs1 fc0 sc0 ls3 ws1">t</div><div class="t m0 x36 he y98 ff4 fs7 fc0 sc0 ls26 ws1">SUSTD</div><div class="t m0 x37 hd y99 ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _42"> </span>0.6 <span class="_ _32"> </span>－ <span class="_ _1c"> </span>－ <span class="_ _3a"> </span>µs <span class="_ _3b"> </span> </div><div class="t m0 x39 hd y9a ff4 fs1 fc0 sc0 ls3 ws1">I</div><div class="t m0 x3a he y9b ff4 fs7 fc0 sc0 ls3 ws1">2</div><div class="t m0 x3b hd y9a ff4 fs1 fc0 sc0 ls3 ws1">C数据保持时间 </div><div class="t m0 x35 hd y9c ff4 fs1 fc0 sc0 ls3 ws1">t</div><div class="t m0 x36 he y9d ff4 fs7 fc0 sc0 ls26 ws1">HDDAT</div><div class="t m0 x37 hd y9e ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _1c"> </span>0 <span class="_ _39"> </span>－ <span class="_ _30"> </span>0.9 <span class="_ _37"> </span>µs <span class="_ _3b"> </span> </div><div class="t m0 x3c hd y9f ff4 fs1 fc0 sc0 ls3 ws1">I</div><div class="t m0 x13 he ya0 ff4 fs7 fc0 sc0 ls3 ws1">2</div><div class="t m0 x3a hd y9f ff4 fs1 fc0 sc0 ls3 ws1">C 数据设置时间 </div><div class="t m0 x35 hd ya1 ff4 fs1 fc0 sc0 ls3 ws1">t</div><div class="t m0 x36 he ya2 ff4 fs7 fc0 sc0 ls26 ws1">SUDAT</div><div class="t m0 x37 hd ya3 ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _42"> </span>100 <span class="_ _32"> </span>－ <span class="_ _1c"> </span>－ <span class="_ _3a"> </span>ns <span class="_ _3b"> </span> </div><div class="t m0 x38 hd ya4 ff4 fs1 fc0 sc0 ls3 ws1">I</div><div class="t m0 x3c he ya5 ff4 fs7 fc0 sc0 ls3 ws1">2</div><div class="t m0 x39 hd ya4 ff4 fs1 fc0 sc0 ls3 ws1">C 高电平SCL 时钟 </div><div class="t m0 xd hd ya6 ff4 fs1 fc0 sc0 ls3 ws1">t</div><div class="t m0 xc he ya7 ff4 fs7 fc0 sc0 ls26 ws1">LOW</div><div class="t m0 x1d hd ya8 ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _46"> </span>1.3 <span class="_ _32"> </span>－ <span class="_ _1c"> </span>－ <span class="_ _3a"> </span>µs <span class="_ _3b"> </span> </div><div class="t m0 x38 hd ya9 ff4 fs1 fc0 sc0 ls3 ws1">I</div><div class="t m0 x3c he yaa ff4 fs7 fc0 sc0 ls3 ws1">2</div><div class="t m0 x39 hd ya9 ff4 fs1 fc0 sc0 ls3 ws1">C 低电平SCL 时钟 </div><div class="t m0 xd hd yab ff4 fs1 fc0 sc0 ls3 ws1">t</div><div class="t m0 x3d he yac ff4 fs7 fc0 sc0 ls26 ws1">HIGH</div><div class="t m0 x3e hd yad ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _21"> </span>0.6 <span class="_ _32"> </span>－ <span class="_ _1c"> </span>－ <span class="_ _1d"> </span>µs <span class="_ _3b"> </span> </div><div class="t m0 x3f hd yae ff4 fs1 fc0 sc0 ls3 ws1">I</div><div class="t m0 x2a he yaf ff4 fs7 fc0 sc0 ls3 ws1">2</div><div class="t m0 x38 hd yae ff4 fs1 fc0 sc0 ls3 ws1">C SDA输出低电平电压 </div><div class="t m0 x24 hd yb0 ff4 fs1 fc0 sc0 ls3 ws1">V</div><div class="t m0 x25 he yb1 ff4 fs7 fc0 sc0 ls26 ws1">OL</div><div class="t m0 x26 hd yb2 ff4 fs1 fc0 sc0 ls3 ws1"> <span class="_ _17"> </span>0 <span class="_ _1a"> </span>－ <span class="_ _30"> </span>0.4 <span class="_ _3a"> </span>V <span class="_ _47"> </span>IOL=3mA </div></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></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://static.pudn.com/prod/directory_preview_static/625767ee60196e4b84a901c9/bg3.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">B<span class="_ _0"></span>H<span class="_ _0"></span>1<span class="_ _0"></span>7<span class="_ _0"></span>5<span class="_ _0"></span>0<span class="_ _0"></span>F<span class="_ _0"></span>V<span class="_ _0"></span>I<span class="_ _0"></span> <span class="ls1 ws1"> <span class="ff2 ls2 ws2">Technical Note</span><span class="ff3 fs1 ls3"></span></span></div><div class="t m0 x3 hf y36 ff7 fs2 fc0 sc0 ls3 ws1"><span class="ff2"> <span class="_ _48"> </span><span class="ff4 fs0 sc1 lsa">参考数据</span><span class="ff8"> </span></span></div><div class="t m0 x3 h3 yb3 ff3 fs2 fc0 sc0 ls3 ws1"><span class="fc1 sc0"></span></div><div class="t m0 x3 h3 yb4 ff3 fs2 fc0 sc0 ls3 ws1"><span class="fc1 sc0"></span></div><div class="t m0 x3 h3 yb5 ff3 fs2 fc0 sc0 ls3 ws1"><span class="fc1 sc0"></span></div><div class="t m0 x3 h3 yb6 ff3 fs2 fc0 sc0 ls3 ws1"><span class="fc1 sc0"></span></div><div class="t m0 x1a hb y33 ff9 fs1 fc0 sc0 ls3 ws1">3<span class="ff3"></span></div><div class="t m0 x1b hb y34 ff9 fs1 fc0 sc0 ls22 ws1">Tr<span class="_ _2"></span>a<span class="_ _26"></span>n<span class="_ _26"></span>s<span class="_ _2"></span>l<span class="_ _26"></span>a<span class="_ _26"></span>t<span class="_ _2"></span>e<span class="_ _26"></span>d<span class="_ _2"></span><span class="ff3 ls3"></span><span class="ls23">by<span class="_ _2"></span><span class="ff3 ls3"></span><span class="ls24">LICHONGZHENG<span class="ff3 ls3"></span><span class="ls25">SOUTHEAST<span class="ff3 ls3"></span>UNIVERSITY<span class="ff3 ls3"></span></span></span></span></div><div class="t m0 x3 hc y35 ff2 fs6 fc0 sc0 ls3 ws1"> </div><div class="t m0 x40 h10 yb7 ffa fs8 fc0 sc0 ls27 ws1"><span class="fc1 sc0">比例</span></div><div class="t m1 x41 h10 yb8 ffa fs8 fc0 sc0 ls3 ws1"><span class="fc1 sc0"> </span></div><div class="t m0 x25 h10 yb9 ffa fs8 fc0 sc0 ls28 ws1"><span class="fc1 sc0">测量结果</span></div><div class="t m1 x26 h10 yba ffa fs8 fc0 sc0 ls3 ws1"><span class="fc1 sc0"> </span></div><div class="t m0 x42 h10 yb9 ffa fs8 fc0 sc0 ls28 ws1"><span class="fc1 sc0">测量结果</span></div><div class="t m1 x43 h10 yba ffa fs8 fc0 sc0 ls3 ws1"><span class="fc1 sc0"> </span></div><div class="t m0 x40 h10 ybb ffa fs8 fc0 sc0 ls27 ws1"><span class="fc1 sc0">比例</span></div><div class="t m1 x41 h10 ybc ffa fs8 fc0 sc0 ls3 ws1"><span class="fc1 sc0"> </span></div><div class="t m0 x44 h11 y47 ff4 fs8 fc0 sc0 ls3 ws1">光强度 </div><div class="t m0 x45 h11 ybd ff4 fs8 fc0 sc0 ls3 ws1">光强度 </div><div class="t m0 x15 h11 ybe ff4 fs8 fc0 sc0 ls3 ws1">波长 </div><div class="t m0 x46 h11 ybf ff4 fs8 fc0 sc0 ls29 ws1">光强度测量结果<span class="_ _43"> </span>2 </div><div class="t m0 x47 h11 yc0 ff4 fs8 fc0 sc0 ls29 ws1">光强度测量结果<span class="_ _43"> </span>1 </div><div class="t m0 x32 h11 yc1 ff4 fs8 fc0 sc0 ls3 ws1">光谱响应 </div><div class="t m0 x36 h10 yc2 ffa fs8 fc0 sc0 ls27 ws1"><span class="fc1 sc0">比例</span></div><div class="t m1 x21 h10 ybc ffa fs8 fc0 sc0 ls3 ws1"><span class="fc1 sc0"> </span></div><div class="t m1 x48 h10 yc3 ffa fs8 fc0 sc0 ls3 ws1"><span class="fc1 sc0"> </span></div><div class="t m1 x49 h10 yc4 ffa fs8 fc0 sc0 ls3 ws1"><span class="fc1 sc0"> </span></div><div class="t m1 x26 h10 yc5 ffa fs8 fc0 sc0 ls3 ws1"><span class="fc1 sc0"> </span></div><div class="t m1 x43 h10 yc6 ffa fs8 fc0 sc0 ls3 ws1"><span class="fc1 sc0"> </span></div><div class="t m0 x4a h11 yc7 ff4 fs8 fc0 sc0 ls2a ws1"> </div><div class="t m0 x4b h10 yc8 ffa fs8 fc0 sc0 ls28 ws1"><span class="fc1 sc0">测量结果</span></div><div class="t m0 x40 h10 yc9 ffa fs8 fc0 sc0 ls27 ws1"><span class="fc1 sc0">比例</span></div><div class="t m1 x41 h10 yca ffa fs8 fc0 sc0 ls3 ws1"><span class="fc1 sc0"> </span></div><div class="t m0 x44 h11 ycb ff4 fs8 fc0 sc0 ls3 ws1">温度 </div><div class="t m0 x4c h11 ycc ff4 fs8 fc0 sc0 ls2b ws1">方向特性<span class="_ _43"> </span>1 </div><div class="t m0 x4d h11 ycd ff4 fs8 fc0 sc0 ls3 ws1">暗反应 </div><div class="t m0 x4e h11 yce ff4 fs8 fc0 sc0 ls2b ws1">方向特性<span class="_ _43"> </span>2 </div><div class="t m0 x4f h11 ycf ff4 fs8 fc0 sc0 ls3 ws1">荧光</div><div class="t m0 x37 h11 y18 ff4 fs8 fc0 sc0 ls3 ws1">白炽光</div><div class="t m1 x43 h10 yd0 ffa fs8 fc0 sc0 ls3 ws1"><span class="fc1 sc0">I</span></div><div class="t m1 x43 h10 yd1 ffa fs8 fc0 sc0 ls3 ws1"><span class="fc1 sc0">C</span></div><div class="t m1 x43 h10 yd2 ffa fs8 fc0 sc0 ls3 ws1"><span class="fc1 sc0">C</span></div><div class="t m1 x43 h10 yd3 ffa fs8 fc0 sc0 ls3 ws1"><span class="fc1 sc0">@</span></div><div class="t m0 x42 h10 yd4 ffa fs8 fc0 sc0 ls2c ws1"><span class="fc1 sc0">测量结</span></div><div class="t m0 x37 h11 yd5 ff4 fs8 fc0 sc0 ls3 ws1">卤素光</div><div class="t m0 x24 h11 yd6 ff4 fs8 fc0 sc0 ls2d ws1">Kr</div><div class="t m0 x50 h11 yd7 ff4 fs8 fc0 sc0 ls2d ws1">ipton<span class="_ _43"> </span>光</div><div class="t m0 x25 h11 yd8 ff4 fs8 fc0 sc0 ls3 ws1">人工阳光</div><div class="t m0 x50 h11 yd9 ff4 fs8 fc0 sc0 ls2e ws1">白色<span class="_ _43"> </span>LED</div><div class="t m0 x3c h11 yda ff4 fs8 fc0 sc0 ls3 ws1">温度 </div><div class="t m0 x51 h11 ydb ff4 fs8 fc0 sc0 ls3 ws1">光源依赖 </div><div class="t m0 x2a h11 ydc ff4 fs8 fc0 sc0 ls3 ws1">测量精度 </div><div class="t m0 x52 h11 ydd ff4 fs8 fc0 sc0 ls3 ws1">测量期间 </div><div class="t m0 x51 h11 yde ff4 fs8 fc0 sc0 ls2f ws1">荧光灯设置为“1” </div><div class="t m0 x2a h11 ydf ff4 fs8 fc0 sc0 ls3 ws1">温度依赖性 </div><div class="t m1 x49 h10 ye0 ffa fs8 fc0 sc0 ls3 ws1"><span class="fc1 sc0">I</span></div><div class="t m1 x49 h10 ye1 ffa fs8 fc0 sc0 ls3 ws1"><span class="fc1 sc0">C</span></div><div class="t m1 x49 h10 ye2 ffa fs8 fc0 sc0 ls3 ws1"><span class="fc1 sc0">C</span></div><div class="t m1 x49 h10 ye3 ffa fs8 fc0 sc0 ls3 ws1"><span class="fc1 sc0">@</span></div><div class="t m0 x53 h10 ye4 ffa fs8 fc0 sc0 ls30 ws1"><span class="fc1 sc0">断电（</span></div><div class="t m1 x49 h10 ye5 ffa fs8 fc0 sc0 ls3 ws1"><span class="fc1 sc0">u</span></div><div class="t m1 x49 h10 ye6 ffa fs8 fc0 sc0 ls3 ws1"><span class="fc1 sc0">A</span></div><div class="t m0 x53 h10 ye7 ffa fs8 fc0 sc0 ls3 ws1"><span class="fc1 sc0">）</span></div><div class="t m0 x25 h10 ye8 ffa fs8 fc0 sc0 ls27 ws1"><span class="fc1 sc0">比例</span></div><div class="t m0 x42 h10 ye9 ffa fs8 fc0 sc0 ls27 ws1"><span class="fc1 sc0">比例</span></div><div class="t m0 x54 h11 yea ff4 fs8 fc0 sc0 ls3 ws1">测量结果 </div><div class="t m0 x55 h11 yeb ff4 fs8 fc0 sc0 ls3 ws1">测量结果 </div><div class="t m0 x32 h11 yec ff4 fs8 fc0 sc0 ls2d ws1">VC</div><div class="t m0 x15 h11 yed ff4 fs8 fc0 sc0 ls2d ws1">C – ICC@0<span class="_ _8"></span> Lx </div><div class="t m0 x56 h11 yee ff4 fs8 fc0 sc0 ls2a ws1">VCC<span class="_ _43"> </span>依赖 </div><div class="t m0 x57 h11 yc7 ff4 fs8 fc0 sc0 ls2a ws1">DVI<span class="_ _43"> </span>依赖</div><div class="t m0 x1e h11 yef ff4 fs8 fc0 sc0 ls2b ws1">(断电 ) </div></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div>

<div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/625767ee60196e4b84a901c9/bg4.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">B<span class="_ _0"></span>H<span class="_ _0"></span>1<span class="_ _0"></span>7<span class="_ _0"></span>5<span class="_ _0"></span>0<span class="_ _0"></span>F<span class="_ _0"></span>V<span class="_ _0"></span>I<span class="_ _0"></span> <span class="ls1 ws1"> <span class="ff2 ls2 ws2">Technical Note</span><span class="ff3 fs1 ls3"></span></span></div><div class="t m0 x3 h7 y36 ff7 fs0 fc0 sc0 ls3 ws1"><span class="ff2"> <span class="_ _3"> </span><span class="ff4 sc1 lsa">框图</span><span class="ff8"> </span></span></div><div class="t m0 x51 h12 yf0 ff9 fs2 fc0 sc0 ls31 ws1">VC</div><div class="t m0 x54 h12 yf1 ff9 fs2 fc0 sc0 ls31 ws1">C<span class="_ _27"> </span><span class="ls32">DVI</span></div><div class="t m0 x58 h13 yf2 ff2 fs2 fc0 sc0 ls33 ws1">Logic </div><div class="t m0 x59 h12 yf3 ff9 fs2 fc0 sc0 ls20 ws1">SCL</div><div class="t m0 x5a h12 yf4 ff9 fs2 fc0 sc0 lsc ws1">AMP<span class="ff3 ls3"><span class="_ _49"> </span></span><span class="ls34">ADC<span class="ff3 ls3"></span></span></div><div class="t m0 x5b h13 yf5 ff2 fs2 fc0 sc0 ls35 ws1">+ </div><div class="t m0 x59 h12 yf6 ff9 fs2 fc0 sc0 ls36 ws1">SD</div><div class="t m0 x5c h12 yf7 ff9 fs2 fc0 sc0 ls36 ws1">A</div><div class="t m0 x5d h14 yf8 ff2 fs4 fc0 sc0 ls3 ws1">2</div><div class="t m0 x5e h13 yf9 ff2 fs2 fc0 sc0 ls37 ws3">C Interface<span class="_ _4a"></span><span class="ls3 ws1">I</span></div><div class="t m0 x5f h12 yfa ff9 fs2 fc0 sc0 ls36 ws1">PD<span class="ff3 ls3"></span></div><div class="t m0 x51 h12 yfb ff9 fs2 fc0 sc0 ls38 ws1">OS</div><div class="t m0 x54 h12 yfc ff9 fs2 fc0 sc0 ls38 ws1">C<span class="ff3 ls3"></span></div><div class="t m0 x60 h12 yfd ff9 fs2 fc0 sc0 ls36 ws1">GN</div><div class="t m0 x3 h7 yfe ff7 fs0 fc0 sc0 ls3 ws1"><span class="ff2"> <span class="_ _3"> </span><span class="ff4 sc1 lsa">框图描述</span><span class="ff8"> </span></span></div><div class="t m0 x4 h15 yff ffb fs2 fc0 sc0 ls3 ws1">・</div><div class="t m0 x61 h8 y100 ff4 fs2 fc0 sc0 ls1d ws1">PD </div><div class="t m0 x4 h8 y101 ff4 fs2 fc0 sc0 ls3 ws1">接近人眼反应的光敏二极管。（</div><div class="t m0 x62 h8 y102 ff2 fs1 fc0 sc0 ls39 ws4">Photo diode <span class="_ _2"></span>with approximately human e<span class="_ _2"></span>ye response.<span class="ff4 ls3 ws1">）<span class="fs2"> </span></span></div><div class="t m0 x4 h15 y103 ffb fs2 fc0 sc0 ls3 ws1">・</div><div class="t m0 x61 h8 y104 ff4 fs2 fc0 sc0 ls1d ws1">AMP </div><div class="t m0 x4 h8 y105 ff4 fs2 fc0 sc0 lsb ws1">集成运算放大器：将<span class="_ _a"> </span>PD<span class="_ _4"> </span>电流转换为<span class="_ _4"> </span>PD<span class="_ _a"> </span>电压。 </div><div class="t m0 x4 h15 y106 ffb fs2 fc0 sc0 ls3 ws1">・</div><div class="t m0 x61 h8 y107 ff4 fs2 fc0 sc0 ls1d ws1">ADC </div><div class="t m0 x4 h8 y108 ff4 fs2 fc0 sc0 ls3a ws1">模数转换获取<span class="_ _a"> </span>16<span class="_ _4"> </span>位数字数据。 </div><div class="t m0 x4 h15 y109 ffb fs2 fc0 sc0 ls3 ws1">・</div><div class="t m0 x61 h8 y10a ff4 fs2 fc0 sc0 ls3a ws1">Logic + IC Int<span class="ls37">erface（逻辑+ IC<span class="_ _4"> </span>界面） </span></div><div class="t m0 x4 h8 y10b ff4 fs2 fc0 sc0 ls3 ws1">光强度计算和I</div><div class="t m0 x63 ha y10c ff4 fs5 fc0 sc0 ls3 ws1">2</div><div class="t m0 x64 h8 y10d ff4 fs2 fc0 sc0 ls3 ws1">C总线接口，包括下列寄存器： </div><div class="t m0 x4 h8 y10e ff4 fs2 fc0 sc0 ls11 ws1">数据寄存器→光强度数据寄存。初始值是：“0000_0000_0000_0000”。 </div><div class="t m0 x4 h8 y10f ff4 fs2 fc0 sc0 ls33 ws1">测量时间寄存器→时间测量数据寄存。初始值是：“0100_0101”。 </div><div class="t m0 x4 h15 y110 ffb fs2 fc0 sc0 ls3 ws1">・</div><div class="t m0 x61 h8 y111 ff4 fs2 fc0 sc0 ls1d ws1">OSC </div><div class="t m0 x4 h8 y112 ff4 fs2 fc0 sc0 ls3 ws1">内部振荡器（时钟频率典型值：<span class="ff9 ls18">320kHz</span>）<span class="_ _7"></span>。该时钟为内部逻辑时钟。<span class="ff3"></span></div><div class="t m0 x3 h7 y113 ff7 fs0 fc0 sc0 ls3 ws1"><span class="ff2"> <span class="_ _3"> </span><span class="ff4 sc1 ls1b">测量程序步骤</span><span class="ff8"> </span></span></div><div class="t m0 x65 h7 y114 ff8 fs0 fc0 sc0 ls3 ws1"> </div><div class="t m0 x1a hb y33 ff9 fs1 fc0 sc0 ls3 ws1">4<span class="ff3"></span></div><div class="t m0 x1b hb y34 ff9 fs1 fc0 sc0 ls22 ws1">Tr<span class="_ _2"></span>a<span class="_ _26"></span>n<span class="_ _26"></span>s<span class="_ _2"></span>l<span class="_ _26"></span>a<span class="_ _26"></span>t<span class="_ _2"></span>e<span class="_ _26"></span>d<span class="_ _2"></span><span class="ff3 ls3"></span><span class="ls23">by<span class="_ _2"></span><span class="ff3 ls3"></span><span class="ls24">LICHONGZHENG<span class="ff3 ls3"></span><span class="ls25">SOUTHEAST<span class="ff3 ls3"></span>UNIVERSITY<span class="ff3 ls3"></span></span></span></span></div><div class="t m0 x3 hc y35 ff2 fs6 fc0 sc0 ls3 ws1"> </div><div class="t m0 x66 h7 y115 ff8 fs0 fc0 sc0 ls3 ws1"><span class="fc1 sc0"> </span></div><div class="t m0 x65 h7 y116 ff8 fs0 fc0 sc0 ls3 ws1"> </div><div class="t m0 x65 h7 y117 ff8 fs0 fc0 sc0 ls3 ws1"> </div><div class="t m0 x65 h7 y118 ff8 fs0 fc0 sc0 ls3 ws1"> </div><div class="t m0 x65 h7 y119 ff8 fs0 fc0 sc0 ls3 ws1"> </div><div class="t m0 x65 h7 y11a ff8 fs0 fc0 sc0 ls3 ws1"> </div><div class="t m0 x65 h7 y11b ff8 fs0 fc0 sc0 ls3 ws1"> </div><div class="t m0 x65 h7 y11c ff8 fs0 fc0 sc0 ls3 ws1"> </div><div class="t m0 x65 h7 y11d ff8 fs0 fc0 sc0 ls3 ws1"> </div><div class="t m0 x65 h7 y11e ff8 fs0 fc0 sc0 ls3 ws1"> </div><div class="t m0 x65 h7 y11f ff8 fs0 fc0 sc0 ls3 ws1"> </div><div class="t m0 x65 h7 y120 ff8 fs0 fc0 sc0 ls3 ws1"> </div><div class="t m0 x67 h8 y121 ff9 fs2 fc0 sc0 ls3 ws1">V<span class="_ _4b"></span><span class="ff4">提供电源</span></div><div class="t m0 x5f h8 y122 ff4 fs2 fc0 sc0 ls3 ws1">自动变为电源断</div><div class="t m0 x5f h8 y123 ff4 fs2 fc0 sc0 ls3 ws1">电模式状态<span class="ff3"></span></div><div class="t m0 x68 h9 y124 ff9 fs4 fc0 sc0 ls3b ws1">CC</div><div class="t m0 x5d h8 y121 ff4 fs2 fc0 sc0 ls3 ws1">和<span class="ff9 ls32">DVI</span>供应后初始状</div><div class="t m0 x67 h8 y125 ff4 fs2 fc0 sc0 ls3 ws1">态是电源断电模式。<span class="ff3"></span></div><div class="t m0 x67 h8 y126 ff4 fs2 fc0 sc0 ls3 ws1"> </div><div class="t m0 x69 h8 y127 ff4 fs2 fc0 sc0 ls3 ws1">断电</div><div class="t m0 x69 h8 y128 ff4 fs2 fc0 sc0 ls3 ws1">通电</div><div class="t m0 x6a h8 y129 ff4 fs2 fc0 sc0 ls3 ws1">测量指令</div><div class="t m0 x64 h8 y12a ff4 fs2 fc0 sc0 ls3 ws1">一次测量<span class="ff3"><span class="_ _4c"> </span></span>连续测量</div><div class="t m0 x6b h8 y12b ff4 fs2 fc0 sc0 ls3 ws1">通过<span class="ff9">I</span></div><div class="t m0 x6c h9 y12c ff9 fs4 fc0 sc0 ls3 ws1">2</div><div class="t m0 x6d h8 y12d ff9 fs2 fc0 sc0 ls3 ws1">C<span class="ff4">写指令<span class="ff3"></span></span></div><div class="t m0 x6e h8 y12e ff9 fs2 fc0 sc0 ls3 ws1">*<span class="ff4">可能忽略通电指令<span class="ff3"><span class="_ _4d"> </span></span>自动状态转换<span class="ff3"></span></span></div></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div>