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<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/626982320990925c044951c5/bg3.jpg"><div class="t m0 xa h7 y6 ff7 fs5 fc2 sc2 ls3 ws0">远见品质</div><div class="t m1 xd ha yc ff8 fs9 fc4 sc0 ls3 ws0">嵌入式<span class="lse">存</span>储的<span class="lse">发</span>展与挑战</div><div class="t m0 xc h9 yd ff9 fs7 fc2 sc0 ls3 ws0">v<span class="_ _2"></span><span class="ffa fs8 fc1 lsa">当前<span class="ffb lsf">f<span class="ls3">la<span class="ls10">sh<span class="_ _4"></span><span class="ffa lsa">芯<span class="ls3">片特点</span></span></span></span></span></span></div><div class="t m0 xe hb ye ff9 fs0 fc2 sc0 ls3 ws0">Ø<span class="_ _5"></span><span class="ffc fc1">写入<span class="ffb ls11">f<span class="ls5">l<span class="ls2">a<span class="ls4">sh</span></span></span></span>采用<span class="ffb">p<span class="ls11">r<span class="lsa">o<span class="ls12">g</span></span>r<span class="ls2">am<span class="_ _3"></span></span></span></span>操作<span class="ffb">,</span>可以以字为最小单</span></div><div class="t m0 xf hc yf ffc fs0 fc1 sc0 ls3 ws0">位</div><div class="t m0 xe hb y10 ff9 fs0 fc2 sc0 ls3 ws0">Ø<span class="_ _5"></span><span class="ffc fc1">擦除<span class="ffb ls11">f<span class="ls5">l<span class="ls2">a<span class="ls4">sh</span></span></span></span>采用<span class="ffb ls2">e<span class="ls11">r</span>a<span class="ls4">se</span></span>操<span class="lsa">作</span>，最小擦除单位一般</span></div><div class="t m0 xf hc y11 ffc fs0 fc1 sc0 ls3 ws0">是</div><div class="t m0 xe hb y12 ff9 fs0 fc2 sc0 ls3 ws0">Ø<span class="_ _5"></span><span class="ffc fc1">有限的擦除<span class="ffb">/</span>编程循环寿命<span class="ffb">10k<span class="ls11">-</span>100k</span></span></div><div class="t m0 xe hb y13 ff9 fs0 fc2 sc0 ls3 ws0">Ø<span class="_ _5"></span><span class="ffc fc1">低功耗，高密度，大容量的<span class="ffb ls11">f<span class="ls5">l<span class="ls2">a<span class="ls4">sh</span></span></span></span>芯片得到广</span></div><div class="t m0 xf hc y14 ffc fs0 fc1 sc0 ls3 ws0">泛使用</div><div class="t m0 xc h9 y15 ff9 fs7 fc2 sc0 ls3 ws0">v<span class="_ _2"></span><span class="ffa fs8 fc1 lsa">其<span class="ls3">中按</span>照<span class="ls3">实现技</span>术<span class="ls3">不同，<span class="ffb lsf">f<span class="ls3">la<span class="ls10">sh</span></span></span>又分</span></span></div><div class="t m0 x10 hd y16 ffa fs8 fc1 sc0 ls3 ws0">为<span class="ffb lsc">no<span class="ls13">r <span class="lsf">f<span class="ls3">la<span class="ls10">sh<span class="ffa">和</span></span></span></span></span>n<span class="ls3">a<span class="lsd">n<span class="ls14">d<span class="lsf">f</span></span></span>la<span class="ls10">sh<span class="_ _3"></span></span></span></span>两种</div><div class="t m0 xe hb y17 ff9 fs0 fc2 sc0 ls3 ws0">Ø<span class="_ _5"></span><span class="ffb fc1">no<span class="ls11">r</span> <span class="ls11">f<span class="ls5">l<span class="ls2">a<span class="ls4">sh</span></span></span></span><span class="ffc">提供线性访<span class="lsa">问</span>接口</span></span></div><div class="t m0 xe hb y18 ff9 fs0 fc2 sc0 ls3 ws0">Ø<span class="_ _5"></span><span class="ffb fc1">n<span class="ls2">a</span>n<span class="ls15">d<span class="ls11">f<span class="ls5">l<span class="ls2">a<span class="ls4">sh</span></span></span></span></span><span class="ffc">提供基于命<span class="lsa">令</span>的访问端口</span></span></div><div class="t m0 x9 h6 y5 ff5 fs4 fc1 sc0 ls3 ws0">PDF <span class="ff6">文件使用</span> "pdfFactory Pro" <span class="ff6">试用版本创建</span> <span class="ls9"> </span><span class="fc3">www.fineprint.com.cn</span></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m2"></div></a></div><div class="pi" data-data='{"ctm":[1.212121,0.000000,0.000000,1.212121,0.000000,0.000000]}'></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/626982320990925c044951c5/bg4.jpg"><div class="t m0 xa h7 y6 ff7 fs5 fc2 sc2 ls3 ws0">远见品质</div><div class="t m0 x11 he y19 ffd fs8 fc4 sc0 ls16 ws0">M<span class="ls3">TD </span></div><div class="t m1 x12 ha y19 ff8 fs9 fc4 sc0 ls3 ws0">驱<span class="lse">动</span>程序<span class="lse">简介</span></div><div class="t m0 xc h9 y1a ff9 fs7 fc2 sc0 lsa ws0">v<span class="_ _2"></span><span class="ffb fs8 fc1 ls17">MTD<span class="ffe ls3">——<span class="_ _3"></span></span><span class="ls18">m<span class="ls19">e<span class="ls1a">m<span class="ls1b">o<span class="ls13">r<span class="lsc">y<span class="ls1c"> <span class="ls3">tec</span></span>hno<span class="ls3">l</span>og<span class="lsd">y<span class="ls1c"> </span></span>d<span class="ls3">e</span>v<span class="ls3">ice</span></span></span></span></span></span></span></span></div><div class="t m0 xc h9 y9 ff9 fs7 fc2 sc0 ls3 ws0">v<span class="_ _2"></span><span class="ffb fs8 fc1 ls17">MTD<span class="ffa lsa">驱动程<span class="ls3">序提</span>供<span class="ls3">了以</span>标<span class="ls3">准设备形</span></span></span></div><div class="t m0 x10 hd y1b ffa fs8 fc1 sc0 lsa ws0">式<span class="ls3">访问<span class="ffb lsf">f<span class="ls3">la<span class="ls10">sh</span></span></span>芯片</span>的<span class="ls3">机制</span></div><div class="t m0 xc h9 y1c ff9 fs7 fc2 sc0 ls3 ws0">v<span class="_ _2"></span><span class="ffb fs8 fc1 ls17">M<span class="ls3">td<span class="ffa lsa">提<span class="ls3">供</span>以<span class="ls3">下几个</span>驱<span class="ls3">动接口</span></span></span></span></div><div class="t m0 xe hb y1d ff9 fs0 fc2 sc0 ls3 ws0">Ø<span class="_ _5"></span><span class="ffc fc1">字符设备驱动</span></div><div class="t m0 xe hb y1e ff9 fs0 fc2 sc0 ls3 ws0">Ø<span class="_ _5"></span><span class="ffc fc1">块设备驱动</span></div><div class="t m0 xe hb y1f ff9 fs0 fc2 sc0 ls3 ws0">Ø<span class="_ _5"></span><span class="ffb fc1 ls1d">F<span class="ls5">l<span class="ls2">a<span class="ls4">s<span class="ls3">h </span></span></span>t<span class="ls11">r<span class="ls2">a<span class="ls3">n<span class="ls4">s</span></span></span></span>l<span class="ls2">a</span>ti<span class="ls3">on </span>l<span class="ls1e">a<span class="ls1f">y</span>e<span class="ls11">r<span class="ls20">(<span class="ls1">F<span class="ls21">T<span class="ls22">L)</span></span></span></span></span></span></span></span></div><div class="t m0 xe hb y20 ff9 fs0 fc2 sc0 ls22 ws0">Ø<span class="_ _6"></span><span class="ffb fc1 ls6">N<span class="ls1d">F<span class="ls21">T<span class="ls23">L<span class="ls24">/<span class="ls25">I<span class="ls26">N</span></span></span></span></span>F<span class="ls21">TL</span></span></span></div><div class="t m0 xe hb y21 ff9 fs0 fc2 sc0 ls21 ws0">Ø<span class="_ _5"></span><span class="ffb fc1 ls27">J<span class="ls1d">FF<span class="ls1">S2</span></span></span></div><div class="t m0 x9 h6 y5 ff5 fs4 fc1 sc0 ls3 ws0">PDF <span class="ff6">文件使用</span> "pdfFactory Pro" <span class="ff6">试用版本创建</span> <span class="ls9"> </span><span class="fc3">www.fineprint.com.cn</span></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m2"></div></a></div><div class="pi" data-data='{"ctm":[1.212121,0.000000,0.000000,1.212121,0.000000,0.000000]}'></div></div>
<div id="pf5" class="pf w0 h0" data-page-no="5"><div class="pc pc5 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/626982320990925c044951c5/bg5.jpg"><div class="t m0 xa h7 y6 ff7 fs5 fc2 sc2 ls3 ws0">远见品质</div><div class="t m0 x13 he y19 ffd fs8 fc4 sc0 ls16 ws0">M<span class="ls3">TD</span></div><div class="t m1 x12 ha y19 ff8 fs9 fc4 sc0 ls3 ws0">字符<span class="lse">设</span>备<span class="lse">驱动</span></div><div class="t m0 xc h9 y1a ff9 fs7 fc2 sc0 lsa ws0">v<span class="_ _2"></span><span class="ffb fs8 fc1 ls17">MTD<span class="ffa lsa">字符设<span class="ls3">备驱</span>动<span class="ls3">不提</span>供<span class="ls3">任何高级</span></span></span></div><div class="t m0 x10 hd y22 ffa fs8 fc1 sc0 lsa ws0">特<span class="ls3">性，</span>直<span class="ls3">接让应</span>用<span class="ls3">软件</span>访问<span class="ffb lsf">f<span class="ls3">la<span class="ls10">sh</span></span></span></div><div class="t m0 xc h9 y23 ff9 fs7 fc2 sc0 ls10 ws0">v<span class="_ _2"></span><span class="ffa fs8 fc1 lsa">一<span class="ls3">般用来</span></span></div><div class="t m0 xe hb y24 ff9 fs0 fc2 sc0 ls3 ws0">Ø<span class="_ _5"></span><span class="ffc fc1">擦除<span class="ffb ls11">f<span class="ls5">l<span class="ls2">a<span class="ls4">sh</span></span></span></span></span></div><div class="t m0 xe hb y25 ff9 fs0 fc2 sc0 ls4 ws0">Ø<span class="_ _5"></span><span class="ffc fc1 ls3">格式化文件系统</span></div><div class="t m0 xe hb y26 ff9 fs0 fc2 sc0 ls3 ws0">Ø<span class="_ _5"></span><span class="ffc fc1">拷贝整个分区</span></div><div class="t m0 x9 h6 y5 ff5 fs4 fc1 sc0 ls3 ws0">PDF <span class="ff6">文件使用</span> "pdfFactory Pro" <span class="ff6">试用版本创建</span> <span class="ls9"> </span><span class="fc3">www.fineprint.com.cn</span></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m2"></div></a></div><div class="pi" data-data='{"ctm":[1.212121,0.000000,0.000000,1.212121,0.000000,0.000000]}'></div></div>
