YL-9200开发板.zip_YL-9200开发板资料_操作系统开发下载-pudn.com

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src="https://static.pudn.com/prod/directory_preview_static/62572cd760196e4b849c9c83/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">1</span></div><div class="t m0 x2 h3 y2 ff2 fs1 fc0 sc1 ls0 ws0">特性</div><div class="t m0 x2 h4 y3 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _0"> </span><span class="ff2 fs2 sc1">融合了<span class="_ _1"> </span><span class="ff1 sc0 ls1">ARM920T</span></span></div><div class="t m0 x3 h5 y4 ff1 fs3 fc0 sc0 ls0 ws0">™</div><div class="t m0 x4 h6 y3 ff1 fs2 fc0 sc0 ls2 ws1"> ARM</div><div class="t m0 x5 h5 y4 ff1 fs3 fc0 sc0 ls0 ws0">®</div><div class="t m0 x6 h6 y3 ff1 fs2 fc0 sc0 ls3 ws2"> Thumb</div><div class="t m0 x7 h5 y4 ff1 fs3 fc0 sc0 ls0 ws0">®</div><div class="t m0 x8 h7 y3 ff2 fs2 fc0 sc1 ls0 ws0">处理器</div><div class="t m0 x9 h6 y5 ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">工作于<span class="_ _1"> </span></span><span class="ls4 ws3">180 MHz<span class="_"> </span></span><span class="ff2 sc1">时性能高达<span class="_ _1"> </span></span><span class="ls5 ws4">200 MIPS</span><span class="ff2 sc1">，存储器管理单元</span></div><div class="t m0 x9 h6 y6 ff1 fs2 fc0 sc0 ls6 ws0">–<span class="_ _2"> </span>16-K<span class="_"> </span><span class="ff2 sc1 ls0">字节的数据缓存，<span class="_ _1"> </span></span><span class="ls7">16-K<span class="_ _3"> </span><span class="ff2 sc1 ls0">字节的指令缓存，写缓冲器</span></span></div><div class="t m0 x9 h6 y7 ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">含有调试信道的内部仿真器</span></div><div class="t m0 x9 h6 y8 ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">中等规模的嵌入式宏单元结构<span class="_ _1"> </span></span>(<span class="_"> </span><span class="ff2 sc1">仅针对<span class="_ _3"> </span></span><span class="ls8 ws5">256 BGA<span class="_"> </span></span><span class="ff2 sc1">封装<span class="_ _3"> </span></span>)</div><div class="t m0 x2 h4 y9 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _0"> </span><span class="ff2 fs2 sc1">低功耗：<span class="ff1 sc0 ls9">VDDCORE<span class="_"> </span></span>电流为<span class="_ _1"> </span><span class="ff1 sc0 ls5 ws4">30.4 mA<span class="_"> </span></span>待机模式电流为<span class="_ _3"> </span><span class="ff1 sc0 lsa ws6">3.1 mA</span></span></div><div class="t m0 x2 h4 ya ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _0"> </span><span class="ff2 fs2 sc1">附加的嵌入式存储器</span></div><div class="t m0 x9 h6 yb ff1 fs2 fc0 sc0 lsb ws0">–S<span class="_ _4"></span>R<span class="_ _4"></span>A<span class="_ _4"></span>M<span class="_ _5"></span><span class="ff2 sc1 ls0">为<span class="_ _1"> </span><span class="ff1 sc0 lsc">16K<span class="_"> </span></span>；<span class="_ _3"> </span><span class="ff1 sc0 lsd">RO<span class="_ _6"></span>M<span class="_"> </span></span>为<span class="_ _1"> </span><span class="ff1 sc0 lsc">128K</span></span></div><div class="t m0 x2 h4 yc ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _0"> </span><span class="ff2 fs2 sc1">外部总线接口<span class="_ _1"> </span><span class="ff1 sc0">(EBI)</span></span></div><div class="t m0 x9 h6 yd ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">支持<span class="_ _1"> </span></span><span class="ls6">SDRAM</span><span class="ff2 sc1">，静态存储器，<span class="_ _7"></span><span class="ff1 sc0 lse ws7"> Burs<span class="_ _8"></span>t Flash<span class="ff2 sc1 ls0 ws0">，无缝连接的<span class="_ _3"> </span></span><span class="lsf ws0">Com<span class="_ _6"></span>pactFlash</span></span></span></div><div class="t m0 xa h5 ye ff1 fs3 fc0 sc0 ls0 ws0">®</div><div class="t m0 xb h7 yd ff2 fs2 fc0 sc1 ls0 ws0">，</div><div class="t m0 xc h6 yf ff1 fs2 fc0 sc0 ls10 ws0">SmartMedia</div><div class="t m0 xd h5 y10 ff1 fs3 fc0 sc0 ls0 ws0">™</div><div class="t m0 xe h6 y11 ff2 fs2 fc0 sc1 ls0 ws0">及<span class="_ _1"> </span><span class="ff1 sc0 ls11 ws8">NAND Flash</span></div><div class="t m0 x2 h4 y12 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _0"> </span><span class="ff2 fs2 sc1">提高性能而使用的系统外设：</span></div><div class="t m0 x9 h6 y13 ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">增强的时钟发生器与电源管理控制器</span></div><div class="t m0 x9 h6 y14 ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">两个有双<span class="_ _1"> </span></span><span class="ls12">PLL<span class="_ _1"> </span></span><span class="ff2 sc1">的片上振荡器</span></div><div class="t m0 x9 h6 y15 ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">低速的时钟操作模式与软件功耗优化能力</span></div><div class="t m0 x9 h6 y16 ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">四个可编程的外部时钟信号</span></div><div class="t m0 x9 h6 y17 ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">包括周期性中断、看门狗及第二计数器的系统定时器</span></div><div class="t m0 x9 h6 y18 ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">有报警中断的实时时钟</span></div><div class="t m0 x9 h6 y19 ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">调试单元、两线<span class="_ _1"> </span></span><span class="ls13">UA<span class="_ _6"></span>R<span class="_ _6"></span>T<span class="_ _9"> </span></span><span class="ff2 sc1">并支持调试信道</span></div><div class="t m0 x9 h6 y1a ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">有<span class="_ _1"> </span></span>8<span class="_"> </span><span class="ff2 sc1">个优先级的高级中断控制器，独立的可屏蔽中断源，伪中断保护</span></div><div class="t m0 x9 h8 y1b ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff4">7<span class="_ _1"> </span><span class="ff2 sc1">个外部中断源及<span class="_ _1"> </span></span>1<span class="_"> </span><span class="ff2 sc1">个快速中断源</span></span></div><div class="t m0 x9 h6 y1c ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">有<span class="_ _1"> </span></span><span class="lsc">122<span class="_"> </span></span><span class="ff2 sc1">个可编程<span class="_ _3"> </span></span><span class="ls14">I/O<span class="_"> </span></span><span class="ff2 sc1">口线的四个<span class="_ _3"> </span></span><span class="lsc">32<span class="_"> </span></span><span class="ff2 sc1">位<span class="_ _3"> </span></span><span class="ls15">PIO<span class="_"> </span></span><span class="ff2 sc1">控制器，各线均有输入变化中断及开漏能力</span></div><div class="t m0 x9 h6 y1d ff1 fs2 fc0 sc0 lsb ws0">–2<span class="_ _4"></span>0<span class="_ _5"></span><span class="ff2 sc1 ls0">通道的外设数据控制器<span class="_ _3"> </span><span class="ff1 sc0 ls16">(DMA)</span></span></div><div class="t m0 x2 h4 y1e ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _0"> </span><span class="ff1 fs2 ls1 ws9">10/100 Base-T<span class="_"> </span></span><span class="ff2 fs2 sc1">型以太网卡接口</span></div><div class="t m0 x9 h6 y1f ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">独立的媒体接口<span class="_ _1"> </span></span>(MII)<span class="_ _1"> </span><span class="ff2 sc1">或简化的独立媒体接口<span class="_ _1"> </span></span><span class="ls17">(RMII)</span></div><div class="t m0 x9 h6 y20 ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">对于接收与发送有集成的<span class="_ _1"> </span></span><span class="lsc">28<span class="_"> </span></span><span class="ff2 sc1">字节<span class="_ _3"> </span></span><span class="ls3">FIFO<span class="_"> </span></span><span class="ff2 sc1">及专用的<span class="_ _1"> </span></span><span class="ls16">DMA<span class="_"> </span></span><span class="ff2 sc1">通道</span></div><div class="t m0 x2 h4 y21 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _0"> </span><span class="ff1 fs2 ls18 wsa">USB 2.0<span class="_"> </span></span><span class="ff2 fs2 sc1">全速<span class="_ _3"> </span><span class="ff1 sc0 ls11 ws8">(12 M<span class="_"> </span></span>比特<span class="_ _3"> </span><span class="ff5">/<span class="_"> </span></span>秒<span class="_ _3"> </span><span class="ff1 sc0">)<span class="_"> </span></span>主机双端口</span></div><div class="t m0 x9 h6 y22 ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">双片上收发器<span class="_ _1"> </span></span><span class="ls19">(208<span class="_ _3"> </span></span><span class="ff2 sc1">引脚<span class="_ _9"> </span></span><span class="ls1a">PQFP<span class="_ _3"> </span></span><span class="ff2 sc1">封装中仅为一个<span class="_ _1"> </span></span>)</div><div class="t m0 x9 h6 y23 ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">集成的<span class="_ _1"> </span></span><span class="ls1b">FIFO<span class="_ _3"> </span></span><span class="ff2 sc1">及专用的<span class="_ _1"> </span></span><span class="ls16">DMA<span class="_"> </span></span><span class="ff2 sc1">通道</span></div><div class="t m0 x2 h4 y24 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _0"> </span><span class="ff1 fs2 ls18 wsa">USB 2.0<span class="_"> </span></span><span class="ff2 fs2 sc1">全速<span class="_ _3"> </span><span class="ff1 sc0 ls11 ws8">(12 M<span class="_"> </span></span>比特<span class="_ _3"> </span><span class="ff5">/<span class="_"> </span></span>秒<span class="_ _3"> </span><span class="ff1 sc0">)<span class="_"> </span></span>器件端口</span></div><div class="t m0 x9 h6 y25 ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">片上收发器，<span class="_ _7"></span><span class="ff1 sc0 ls1a wsb"> 2-K<span class="_ _3"> </span><span class="ff2 sc1 ls0 ws0">字节可配置的集成<span class="_ _1"> </span></span><span class="ls1b ws0">FIFO</span></span></span></div><div class="t m0 x2 h4 y26 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _0"> </span><span class="ff2 fs2 sc1">多媒体卡接口<span class="_ _1"> </span><span class="ff1 sc0 ls1c">(MCI)</span></span></div><div class="t m0 x9 h6 y27 ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">自动协议控制及快速自动数据传输</span></div><div class="t m0 x9 h6 y28 ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">与<span class="_ _1"> </span></span><span class="ls1d">MMC<span class="_ _1"> </span></span><span class="ff2 sc1">及<span class="_ _1"> </span></span><span class="ls1e">SD<span class="_ _1"> </span></span><span class="ff2 sc1">存储器卡兼容，支持两个<span class="_ _1"> </span></span><span class="ls1e">SD<span class="_"> </span><span class="ff2 sc1 ls1f">存储器</span></span></div><div class="t m0 x2 h8 y29 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _0"> </span><span class="ff4 fs2">3<span class="_ _1"> </span><span class="ff2 sc1">个同步串行控制器<span class="_ _1"> </span></span><span class="ff1 ls20">(SSC)</span></span></div><div class="t m0 x9 h6 y2a ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">每个接收器与发送器有独立的时钟及帧同步信号</span></div><div class="t m0 x9 h6 y2b ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">支持<span class="_ _1"> </span></span>I</div><div class="t m0 xf h5 y2c ff1 fs3 fc0 sc0 ls0 ws0">2</div><div class="t m0 x10 h6 y2b ff1 fs2 fc0 sc0 ls0 ws0">S<span class="_ _1"> </span><span class="ff2 sc1">模拟接口，时分复用</span></div><div class="t m0 x9 h6 y2d ff1 fs2 fc0 sc0 lsb ws0">–3<span class="_ _4"></span>2<span class="_ _5"></span><span class="ff2 sc1 ls0">比特的高速数据流传输能力</span></div><div class="t m0 x2 h8 y2e ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _0"> </span><span class="ff4 fs2">4<span class="_ _1"> </span><span class="ff2 sc1">个通用同步<span class="_ _1"> </span></span><span class="ff1">/<span class="_"> </span><span class="ff2 sc1">异步接收<span class="_ _3"> </span></span>/<span class="_"> </span><span class="ff2 sc1">发送器<span class="_ _3"> </span></span><span class="ls2">(USART)</span></span></span></div><div class="t m0 x9 h6 y2f ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">支持<span class="_ _1"> </span></span><span class="ls21 wsc">ISO7816 T0/T<span class="_ _6"></span>1<span class="_ _1"> </span></span><span class="ff2 sc1">智能卡</span></div><div class="t m0 x9 h6 y30 ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">硬软件握手</span></div><div class="t m0 x9 h6 y31 ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">支持<span class="_ _1"> </span></span><span class="ls5">RS485<span class="_"> </span></span><span class="ff2 sc1">及高达<span class="_ _3"> </span></span><span class="ls18 wsd">115 Kbps<span class="_"> </span></span><span class="ff2 sc1">的<span class="_ _3"> </span></span><span class="ls22">IrDA<span class="_ _3"> </span></span><span class="ff2 sc1">总线</span></div><div class="t m0 x9 h6 y32 ff1 fs2 fc0 sc0 lsb ws0">–U<span class="_ _4"></span>S<span class="_ _4"></span>A<span class="_ _4"></span>R<span class="_ _4"></span>T<span class="_ _4"></span>1<span class="_ _5"></span><span class="ff2 sc1 ls0">为全调制解调控制线</span></div><div class="t m0 x2 h4 y33 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _0"> </span><span class="ff2 fs2 sc1">主机<span class="_ _1"> </span><span class="ff1 sc0">/<span class="_ _1"> </span></span>从机串行外设接口<span class="_ _1"> </span><span class="ff1 sc0">(SPI)</span></span></div><div class="t m0 x9 h6 y34 ff1 fs2 fc0 sc0 lsb ws0">–8<span class="_ _5"></span><span class="ff2 sc1 ls0">～<span class="_ _3"> </span><span class="ff1 sc0 lsc">16<span class="_"> </span></span>位可编程数据长度，可连接<span class="_ _1"> </span><span class="ff1 sc0">4<span class="_ _1"> </span></span>个外设</span></div><div class="t m0 x2 h4 y35 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _0"> </span><span class="ff2 fs2 sc1">两个<span class="ff1 sc0 ls23"> 3<span class="_"> </span></span>通道<span class="_ _3"> </span><span class="ff1 sc0 lsc">16<span class="_"> </span></span>位定时<span class="_ _1"> </span><span class="ff1 sc0">/<span class="_ _1"> </span></span>计数器<span class="_ _1"> </span><span class="ff1 sc0 ls11">(TC)</span></span></div><div class="t m0 x9 h8 y36 ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff4">3<span class="_ _1"> </span><span class="ff2 sc1">个外部时钟输入，每条通道有<span class="_ _1"> </span></span>2<span class="_"> </span><span class="ff2 sc1">个多功能<span class="_ _3"> </span></span></span><span class="ls14">I/O<span class="_"> </span></span><span class="ff2 sc1">引脚</span></div><div class="t m0 x9 h6 y37 ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">双<span class="_ _1"> </span></span><span class="lsf">PWM<span class="_"> </span></span><span class="ff2 sc1">产生器，捕获<span class="_ _3"> </span></span>/<span class="_"> </span><span class="ff2 sc1">波形模式，上加<span class="_ _3"> </span></span>/<span class="_"> </span><span class="ff2 sc1">下减计数能力</span></div><div class="t m0 x2 h4 y38 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _0"> </span><span class="ff2 fs2 sc1">两线接口<span class="_ _1"> </span><span class="ff1 sc0 ls24">(TWI)</span></span></div><div class="t m0 x9 h6 y39 ff1 fs2 fc0 sc0 ls0 ws0">–<span class="_ _2"> </span><span class="ff2 sc1">主机模式支持，所有两线<span class="_ _1"> </span></span><span class="ls6 wse">Atmel EEPROM<span class="_ _3"> </span></span><span class="ff2 sc1">支持</span></div><div class="t m0 x2 h4 y3a ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _0"> </span><span class="ff2 fs2 sc1">所有数字引脚的<span class="_ _1"> </span><span class="ff1 sc0 ls6 wse">IEEE 1149.1 JT<span class="_ _a"></span>A<span class="_ _8"></span>G<span class="_ _3"> </span><span class="ff2 sc1 ls0 ws0">边界扫描</span></span></span></div><div class="t m0 x2 h4 y3b ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _0"> </span><span class="ff2 fs2 sc1">电源供应</span></div><div class="t m0 x9 h6 y3c ff1 fs2 fc0 sc0 ls8 ws0">–<span class="_ _2"> </span>VDDCORE<span class="ff2 sc1 ls0">，<span class="_ _1"> </span></span><span class="ls25">VDDOSC<span class="_"> </span><span class="ff2 sc1 ls0">及<span class="_ _3"> </span></span><span class="ls0">VDDPLL<span class="_"> </span><span class="ff2 sc1">电压为：</span><span class="lsa">1.65V<span class="_ _1"> </span></span><span class="ff2 sc1">～<span class="_ _1"> </span></span><span class="ls26">1.95V</span></span></span></div><div class="t m0 x9 h6 y3d ff1 fs2 fc0 sc0 lsb wsf">–V<span class="_ _4"></span>D<span class="_ _4"></span>D<span class="_ _4"></span>I<span class="_ _4"></span>O<span class="_ _b"></span>P<span class="_ _4"></span> (<span class="_ _5"></span><span class="ff2 sc1 ls0 ws0">外设<span class="_ _3"> </span><span class="ff1 sc0 ls14">I/O)<span class="_"> </span></span>及<span class="_ _3"> </span><span class="ff1 sc0 ls1c ws10">VDDIOM (<span class="_"> </span></span>存储器<span class="_ _3"> </span><span class="ff1 sc0 ls14">I/O)<span class="_ _1"> </span></span>电压为：<span class="ff1 sc0 ls26">1.65V<span class="_"> </span></span>～<span class="_ _3"> </span><span class="ff1 sc0 ls21">3.6V</span></span></div><div class="t m0 x2 h4 y3e ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _0"> </span><span class="ff2 fs2 sc1">提供了<span class="_ _1"> </span><span class="ff1 sc0 lsc">208<span class="_"> </span></span>引脚<span class="_ _3"> </span><span class="ff1 sc0 ls1a">PQFP<span class="_"> </span></span>及<span class="_ _3"> </span><span class="ff1 sc0 lsc">256<span class="_"> </span></span>球状<span class="_ _1"> </span><span class="ff1 sc0 ls27">BGA<span class="_"> </span></span>两种封装</span></div><div class="t m0 x11 h9 y3f ff2 fs4 fc0 sc1 ls0 ws0">基于<span class="_ _c"> </span><span class="ff1 sc0 ls20">ARM920T</span></div><div class="t m0 x12 ha ye ff1 fs5 fc0 sc0 ls0 ws0">™</div><div class="t m0 x11 hb y40 ff2 fs4 fc0 sc1 ls0 ws0">的微控制器</div><div class="t m0 x11 h9 y41 ff1 fs4 fc0 sc0 ls28 ws0">A<span class="_ _5"></span>T91RM9200 </div><div class="t m0 x13 hc y42 ff6 fs0 fc0 sc0 ls29 ws0">本文是英文<span class="ff2">数据手<span class="_ _6"></span></span><span class="ls0">册<span class="_ _6"></span><span class="ff2 ls2a">的中</span></span>文翻</div><div class="t m0 x14 hc y43 ff6 fs0 fc0 sc0 ls0 ws0">译<span class="ff2">，</span><span class="ls29">其目</span><span class="ff2">的<span class="_ _6"></span></span><span class="ls2b">是方<span class="_"> </span>便</span><span class="ff2">中<span class="_ _6"></span></span>国<span class="_ _6"></span><span class="ff2">用<span class="_ _d"></span></span>户<span class="_ _6"></span><span class="ff2">的</span></div><div class="t m0 x14 hc y44 ff6 fs0 fc0 sc0 ls2c ws0">阅<span class="_ _6"></span>读。它<span class="_ _6"></span><span class="ff2 ls0">无<span class="_ _d"></span><span class="ff6">法<span class="_ _6"></span></span><span class="ls29">自动<span class="ff6">跟随原稿</span></span>的</span></div><div class="t m0 x14 hc y45 ff6 fs0 fc0 sc0 ls2b ws0">更新<span class="_ _8"></span><span class="ff2 ls2c">，同<span class="_"> </span>时<span class="_ _d"></span><span class="ff6 ls0">也<span class="_ _6"></span></span><span class="ls29">可能存<span class="ff6 ls2b">在翻译</span><span class="ls0">上</span></span></span></div><div class="t m0 x14 hc y46 ff2 fs0 fc0 sc0 ls0 ws0">的<span class="_ _6"></span><span class="ff6">错<span class="_ _d"></span>误。读<span class="_ _d"></span>者<span class="_ _6"></span></span>应<span class="_ _d"></span><span class="ff6">该<span class="_ _6"></span></span>以<span class="_ _d"></span><span class="ff6 ls2b">英文原稿</span></div><div class="t m0 x14 hc y47 ff2 fs0 fc0 sc0 ls0 ws0">为<span class="ff6 ls2c">参考</span>以获<span class="ff6 ls2c">得更准确</span>的信<span class="ff6 ls2c">息。</span></div><div class="t m0 x15 hd y48 ff3 fs6 fc0 sc0 ls2d ws11">Rev. 1768B-ATARM–07-Jun-05</div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></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://static.pudn.com/prod/directory_preview_static/62572cd760196e4b849c9c83/bg2.jpg"><div class="t m0 x16 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">2</div><div class="t m0 x17 h9 y49 ff1 fs4 fc0 sc0 ls2 ws0">AT91RM9200</div><div class="t m0 x18 hd y4a ff3 fs6 fc0 sc0 ls2e ws0">1768B–ATARM–07-Jun-05</div><div class="t m0 x2 he y2 ff6 fs1 fc0 sc1 ls0 ws0">说明<span class="_ _e"> </span><span class="ff3 fs0 sc0 ls2f">AT91RM9200<span class="_ _6"></span><span class="ff6 ls2c">是完<span class="ff2 ls0">全</span>围绕<span class="_ _6"></span></span><span class="ls30 ws12">ARM920T ARM Thumb<span class="_ _d"></span></span><span class="ff2 ls2c">处理器构<span class="ff6 ls0">建</span>的系统<span class="ff6 ls31">。它<span class="_ _1"> </span></span><span class="ls0">有</span><span class="ff6">丰富</span>的系统与应用外</span></span></div><div class="t m0 x19 hc y4b ff2 fs0 fc0 sc0 ls2c ws0">设及<span class="ff6">标准</span>的接口，<span class="_ _f"></span>从而为低功耗、<span class="_ _f"></span>低成<span class="ff6 ls0">本</span>、<span class="_ _f"></span>高性能的计<span class="ff6 ls0">算<span class="ff2">机</span><span class="ls2c">宽范围</span></span>应用提供一个单片解<span class="ff6">决方案。</span></div><div class="t m0 x19 h4 y4c ff3 fs0 fc0 sc0 ls2f ws0">AT91RM9200<span class="_ _d"></span><span class="ff2 ls2c">包括一个高速片上<span class="_ _6"></span></span><span class="ls32">SRAM<span class="_ _d"></span><span class="ff2 ls2c">工作<span class="ff6 ls0">区</span>及一个低等待时<span class="ff6 ls0">间</span>的外部总线接口<span class="_ _d"></span></span><span class="ls33">(EBI)<span class="ff2 ls31">，以<span class="_ _9"> </span><span class="ff6 ls0">完<span class="ff2">成</span></span></span></span></span></div><div class="t m0 x19 h4 y4d ff2 fs0 fc0 sc0 ls34 ws0">应用所<span class="ff6">要求</span>的片外存储器<span class="ff6 ls0">和<span class="_ _10"> </span></span>内部存储器<span class="ff6">映射</span>外设配置的无缝<span class="_ _6"></span>连接<span class="_ _11"></span><span class="ff6 ls0">。<span class="_ _9"> </span><span class="ff3 ls35">EBI<span class="_ _0"> </span><span class="ff2 ls36">有同步<span class="_ _2"> </span></span><span class="ls37">DRAM</span></span></span></div><div class="t m0 x19 h4 y4e ff3 fs0 fc0 sc0 ls38 ws0">(SDRAM)<span class="ff2 ls0">、<span class="_ _7"></span><span class="ff3 ls39 ws13"> Burs<span class="_ _8"></span>t Flash<span class="_ _12"> </span><span class="ff2 ls3a ws0">及静态存储器的控制器，<span class="_ _a"></span>并设<span class="_"> </span>计了专用电<span class="ff6 ls0">路<span class="_ _6"></span><span class="ff2">以<span class="_ _6"></span></span><span class="ls3b">方便</span><span class="ff2">与<span class="_ _12"> </span><span class="ff3 ls3c">SmartMedia<span class="_ _8"></span><span class="ff2 ls0">、</span></span></span></span></span></span></span></div><div class="t m0 x19 h4 y4f ff3 fs0 fc0 sc0 ls3d ws0">CompactFlash<span class="_ _9"> </span><span class="ff2 ls0">及<span class="_ _1"> </span></span><span class="ls3e ws14">NAND<span class="_ _6"></span> Flash<span class="_"> </span></span><span class="ff2 ls2c">连接<span class="_ _8"></span><span class="ff6 ls0">。</span></span></div><div class="t m0 x19 h4 y50 ff2 fs0 fc0 sc0 ls3f ws0">高级中断控制器<span class="_ _2"> </span><span class="ff3 ls0">(AIC)<span class="_ _0"> </span><span class="ff2">通<span class="_ _10"></span><span class="ff6">过<span class="_ _d"></span></span>多<span class="_ _d"></span><span class="ff6 ls40">向量<span class="_ _a"></span><span class="ff3 ls0"> <span class="_ _10"></span><span class="ff2 ls3f">，<span class="_ _11"></span>中断源优先级<span class="ff6 ls0">划<span class="_ _d"></span></span><span class="ls40">分及</span><span class="ff6">缩短</span>中断处理传输时<span class="ff6 ls40">间来</span>提高</span></span></span></span></span></div><div class="t m0 x19 h4 y51 ff3 fs0 fc0 sc0 ls30 ws0">ARM920T<span class="_ _1"> </span><span class="ff2 ls2c">处理器的中断处理性能<span class="ff6 ls0">。</span></span></div><div class="t m0 x19 h4 y52 ff2 fs0 fc0 sc0 ls2c ws0">外设数据控制器<span class="_ _13"> </span><span class="ff3 ls41">(PDC)<span class="_ _13"> </span><span class="ff6 ls0">向</span></span>所有的串行外设提供<span class="_ _13"> </span><span class="ff3 ls42">DMA<span class="_ _14"> </span></span>通道，使<span class="ff6 ls0">其</span>与片内或片外存储器传输数据</div><div class="t m0 x19 h4 y53 ff2 fs0 fc0 sc0 ls0 ws0">时<span class="ff6">不</span>用<span class="ff6 ls2c">经过<span class="ff2">处理器</span><span class="ls43">。这<span class="_ _d"></span>就<span class="_ _10"> </span></span></span>减<span class="ff6">少</span><span class="ls2c">了传输连</span><span class="ff6">续</span><span class="ls2c">数据流时处理器的开</span><span class="ff6">销。<span class="_ _f"></span><span class="ff2 ls2c">包含双指针的<span class="_ _9"> </span><span class="ff3 ls33">PDC<span class="_ _9"> </span></span><span class="ls0">控制器<span class="ff6">极</span></span></span></span></div><div class="t m0 x19 h4 y54 ff6 fs0 fc0 sc0 ls0 ws0">大<span class="ff2 ls2c">的简化了<span class="_ _1"> </span><span class="ff3 ls2f">AT91RM9200<span class="_"> </span></span>的缓冲<span class="_ _8"></span>器<span class="ff6 ls0">链<span class="ff2">接</span>。</span></span></div><div class="t m0 x19 h4 y55 ff2 fs0 fc0 sc0 ls2c ws0">并行<span class="_ _15"> </span><span class="ff3 ls44 ws15">I/O (PIO)<span class="_"> </span></span>控制器<span class="_ _8"></span>与作为通用数据的<span class="_ _9"> </span><span class="ff3 ls45">I/O<span class="_ _13"> </span></span>复用外设输<span class="_ _8"></span>入<span class="_ _15"> </span><span class="ff3 ls0">/<span class="_"> </span><span class="ff2">输<span class="_"> </span><span class="ff6">出<span class="_ _6"></span></span></span></span>口线，以<span class="ff6">最大</span><span class="ls0">程度上<span class="ff6">适</span></span>应器件</div><div class="t m0 x19 hc y56 ff2 fs0 fc0 sc0 ls2c ws0">的配置<span class="ff6 ls0">。</span>每条口线上包含有一个输入变<span class="_ _8"></span>化中断、开漏能力及可编程上<span class="_ _8"></span><span class="ff6 ls0">拉<span class="ff2">电</span>阻。</span></div><div class="t m0 x19 h4 y57 ff2 fs0 fc0 sc0 ls2c ws0">电源管理控制器<span class="ff3 ls0 ws16"> (PMC)<span class="_"> </span></span><span class="ls0">通<span class="ff6">过</span></span>软件控制有<span class="ff6">选择</span>的使能<span class="_ _15"> </span><span class="ff3 ls0">/<span class="_ _13"> </span><span class="ff6">禁</span></span>用处理器及各种外<span class="_ _8"></span>设<span class="ff6 ls0">来</span>使系统的功耗保</div><div class="t m0 x19 h4 y58 ff2 fs0 fc0 sc0 ls0 ws0">持<span class="ff6">最</span>低<span class="ff6 ls2c">。它<span class="ff2">用一个增强的时钟产生器</span><span class="ls0">来</span><span class="ff2">提供包括</span><span class="ls0">慢</span></span>时钟<span class="_ _15"> </span><span class="ff3 ls46 ws17">(32 kHz)<span class="_"> </span></span><span class="ff6">在</span><span class="ls2c">内的</span><span class="ff6">选</span><span class="ls2c">定时钟信号，以</span><span class="ff6">随</span>时</div><div class="t m0 x19 hc y59 ff2 fs0 fc0 sc0 ls2c ws0">优化功耗与性能<span class="ff6 ls0">。</span></div><div class="t m0 x19 h4 y5a ff3 fs0 fc0 sc0 ls2f ws0">AT91RM9200<span class="_ _1"> </span><span class="ff2 ls2c">集成了<span class="ff6 ls0">许<span class="ff2">多</span>标准</span>接口，<span class="_ _7"></span>包括<span class="_ _1"> </span><span class="ff3 ls33 ws18">U<span class="_ _6"></span>SB 2.0<span class="_ _1"> </span></span>全速主机<span class="ff6 ls0">和<span class="ff2">设<span class="_ _6"></span></span>备</span>端口及与多数外设<span class="ff6 ls0">和在<span class="ff2">网</span>络</span></span></div><div class="t m0 x19 h4 y5b ff6 fs0 fc0 sc0 ls2c ws0">层广泛<span class="ff2">使用的<span class="_ _15"> </span><span class="ff3 ls47 ws19">10/100 Base-T<span class="_"> </span></span>以太网媒体</span>访问<span class="ff2">控制器<span class="_ _15"> </span><span class="ff3 ls48">(MAC)</span></span>。此<span class="ff2 ls0">外，</span>它还<span class="ff2">提供一系</span>列符<span class="ff2">合工</span><span class="ls0">业</span></div><div class="t m0 x19 h4 y5c ff6 fs0 fc0 sc0 ls2c ws0">标准<span class="ff2">的外设，可</span><span class="ls0">在音频</span><span class="ff2">、电信、<span class="_ _1"> </span><span class="ff3 ls49">Flash<span class="_"> </span></span><span class="ls0">卡<span class="ff6">红</span></span>外线及智能卡中使用</span><span class="ls0">。</span></div><div class="t m0 x19 h4 y5d ff2 fs0 fc0 sc0 ls0 ws0">为<span class="ff6">完善</span><span class="ls2c">性能，<span class="ff3 ls4a">AT91RM9200<span class="_ _9"> </span></span>集成了包括<span class="_ _8"></span><span class="ff3 ls38 ws1a"> JTAG-ICE<span class="ff2 ls4b ws0">、专<span class="_ _10"></span>门</span></span></span></div><div class="t m0 x1a h4 y5e ff3 fs0 fc0 sc0 ls4c ws0">UART<span class="_"> </span><span class="ff2 ls2c">调<span class="_ _8"></span>试通道<span class="_ _1"> </span><span class="ff3 ls4d">(DBGU)<span class="_"> </span></span>及嵌入式的</span></div><div class="t m0 x19 hc y5f ff2 fs0 fc0 sc0 ls4e ws0">实时<span class="ff6">追踪</span>的一系<span class="ff6 ls0">列</span>的调试功能<span class="_ _8"></span><span class="ff6 ls2c">。这些<span class="ff2 ls4f">功能使</span><span class="ls0">得<span class="_ _6"></span><span class="ff2 ls4e">开发、<span class="_ _8"></span>调试所有的应用特<span class="ff6 ls4f">别是受</span>实时性<span class="ff6 ls0">限</span><span class="ls50">制的应</span></span></span></span></div><div class="t m0 x19 hc y60 ff2 fs0 fc0 sc0 ls2c ws0">用成为可能<span class="ff6 ls0">。</span></div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></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/62572cd760196e4b849c9c83/bg3.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">3</div><div class="t m0 x1b h9 y61 ff1 fs4 fc0 sc0 ls22 ws0">AT91RM9200</div><div class="t m0 x2 hd y4a ff3 fs6 fc0 sc0 ls2e ws0">1768B–ATARM–07-Jun-05</div><div class="t m0 x2 he y62 ff6 fs1 fc0 sc1 ls51 ws0">方框图<span class="_ _16"> </span><span class="ff2 fs0 sc0 ls0">实<span class="ff6">箭头<span class="ff3 ls52 ws1b"> ()<span class="_ _17"></span><span class="ff6 ls2c ws0">表示由<span class="ff2">主机</span><span class="ls0">到<span class="ff2">从机</span></span></span></span></span></span></div><div class="t m0 x2 h2 y63 ff1 fs0 fc0 sc0 ls53 ws1c">Figure 1. <span class="ff3 ls4a ws0">AT91RM9200<span class="_ _1"> </span><span class="ff6 ls2c">方框图</span></span></div><div class="t m0 x1c hf y64 ff1 fs7 fc2 sc0 ls0 ws0">ARM920T Core</div><div class="t m0 x1d h10 y65 ff3 fs8 fc2 sc0 ls0 ws0">JT<span class="_ _a"></span>AG</div><div class="t m0 x1d h10 y66 ff3 fs8 fc2 sc0 ls0 ws0">Scan</div><div class="t m0 x1e h10 y67 ff3 fs8 fc2 sc0 ls0 ws0">ICE</div><div class="t m0 x1f h10 y68 ff3 fs8 fc2 sc0 ls0 ws0">AIC</div><div class="t m0 x20 h10 y69 ff3 fs8 fc2 sc0 ls0 ws0">F<span class="_ _8"></span>ast SRAM</div><div class="t m0 x21 h10 y6a ff3 fs8 fc2 sc0 ls0 ws0">16K bytes</div><div class="t m1 x22 h10 y6b ff3 fs8 fc2 sc0 ls0 ws0">PIO</div><div class="t m0 x5 h10 y6c ff3 fs8 fc2 sc0 ls0 ws0">PLLB</div><div class="t m0 x5 h10 y6d ff3 fs8 fc2 sc0 ls0 ws0">PLLA</div><div class="t m0 x23 h10 y6e ff3 fs8 fc2 sc0 ls0 ws0">OSC</div><div class="t m0 x8 h10 y6f ff3 fs8 fc2 sc0 ls54 ws0">PMC</div><div class="t m0 x24 h10 y70 ff3 fs8 fc2 sc0 ls0 ws0">System</div><div class="t m0 x25 h10 y71 ff3 fs8 fc2 sc0 ls0 ws0">Timer</div><div class="t m0 x23 h10 y72 ff3 fs8 fc2 sc0 ls0 ws0">OSC<span class="_ _18"> </span>RTC</div><div class="t m0 x26 h11 y73 ff3 fs9 fc2 sc0 ls0 ws0">EBI</div><div class="t m0 x27 h10 y74 ff3 fs8 fc2 sc0 ls0 ws0">PIOA/PIOB/PIOC/PIOD</div><div class="t m0 x28 h10 y75 ff3 fs8 fc2 sc0 ls0 ws0">Controller</div><div class="t m0 x29 h10 y76 ff3 fs8 fc2 sc0 ls0 ws0">DBGU</div><div class="t m0 x2a h10 y77 ff3 fs8 fc2 sc0 ls54 ws0">MCI</div><div class="t m0 x2b h10 y78 ff3 fs8 fc2 sc0 ls0 ws0">USART0</div><div class="t m0 x2b h10 y79 ff3 fs8 fc2 sc0 ls0 ws0">USART1</div><div class="t m0 x2b h10 y7a ff3 fs8 fc2 sc0 ls0 ws0">USART2</div><div class="t m0 x2b h10 y7b ff3 fs8 fc2 sc0 ls0 ws0">USART3</div><div class="t m0 x2a h10 y7c ff3 fs8 fc2 sc0 ls0 ws0">SPI</div><div class="t m0 x2c h10 y7d ff3 fs8 fc2 sc0 ls0 ws0">SSC0</div><div class="t m0 x2c h10 y7e ff3 fs8 fc2 sc0 ls0 ws0">SSC1</div><div class="t m0 x2c h10 y7f ff3 fs8 fc2 sc0 ls0 ws0">SSC2</div><div class="t m0 x2d h10 y80 ff3 fs8 fc2 sc0 ls0 ws0">Timer Counter</div><div class="t m0 x2e h10 y81 ff3 fs8 fc2 sc0 ls0 ws0">TC0</div><div class="t m0 x2e h10 y82 ff3 fs8 fc2 sc0 ls0 ws0">TC1</div><div class="t m0 x2e h10 y83 ff3 fs8 fc2 sc0 ls0 ws0">TC2</div><div class="t m0 x2d h10 y84 ff3 fs8 fc2 sc0 ls0 ws0">Timer Counter</div><div class="t m0 x2e h10 y85 ff3 fs8 fc2 sc0 ls0 ws0">TC3</div><div class="t m0 x2e h10 y86 ff3 fs8 fc2 sc0 ls0 ws0">TC4</div><div class="t m0 x2e h10 y87 ff3 fs8 fc2 sc0 ls0 ws0">TC5</div><div class="t m0 x2f h10 y88 ff3 fs8 fc2 sc0 ls54 ws0">TWI</div><div class="t m1 x22 h10 y89 ff3 fs8 fc2 sc0 ls0 ws0">PIO</div><div class="t m1 x30 h10 y8a ff3 fs8 fc2 sc0 ls0 ws0"><span class="fc1 sc0">PIO</span></div><div class="t m0 x31 h10 y8b ff3 fs8 fc2 sc0 ls0 ws0">D0-D15</div><div class="t m0 x31 h10 y8c ff3 fs8 fc2 sc0 ls0 ws0">A0/NBS0</div><div class="t m0 x31 h10 y8d ff3 fs8 fc2 sc0 ls0 ws0">A1/NBS2/NWR2</div><div class="t m0 x31 h10 y8e ff3 fs8 fc2 sc0 ls0 ws0">A2-A15/A18-A22</div><div class="t m0 x31 h10 y8f ff3 fs8 fc2 sc0 ls0 ws0">A16/BA0</div><div class="t m0 x31 h10 y90 ff3 fs8 fc2 sc0 ls0 ws0">A17/BA1</div><div class="t m0 x31 h10 y91 ff3 fs8 fc2 sc0 ls0 ws0">NCS0/BFCS</div><div class="t m0 x31 h10 y92 ff3 fs8 fc2 sc0 ls0 ws0">NCS1/SDCS</div><div class="t m0 x31 h10 y93 ff3 fs8 fc2 sc0 ls0 ws0">NCS3/SMCS</div><div class="t m0 x31 h10 y94 ff3 fs8 fc2 sc0 ls0 ws0">NRD/NOE/CFOE</div><div class="t m0 x31 h10 y95 ff3 fs8 fc2 sc0 ls0 ws0">NWR0/NWE/CFWE</div><div class="t m0 x31 h10 y96 ff3 fs8 fc2 sc0 ls0 ws0">NWR1/NBS1/CFIOR</div><div class="t m0 x31 h10 y97 ff3 fs8 fc2 sc0 ls0 ws0">NWR3/NBS3/CFIOW</div><div class="t m0 x31 h10 y98 ff3 fs8 fc2 sc0 ls0 ws0">SDCK</div><div class="t m0 x31 h10 y99 ff3 fs8 fc2 sc0 ls0 ws0">SDCKE</div><div class="t m0 x31 h10 y9a ff3 fs8 fc2 sc0 ls0 ws0">RAS-CAS</div><div class="t m0 x31 h10 y9b ff3 fs8 fc2 sc0 ls54 ws0">SDWE</div><div class="t m0 x31 h10 y9c ff3 fs8 fc2 sc0 ls0 ws0">SDA10</div><div class="t m0 x31 h10 y9d ff3 fs8 fc2 sc0 ls0 ws0">BFRD<span class="_ _8"></span>Y/SMOE</div><div class="t m0 x31 h10 y9e ff3 fs8 fc2 sc0 ls0 ws0">BFCK</div><div class="t m0 x31 h10 y9f ff3 fs8 fc2 sc0 ls0 ws0">BF<span class="_ _8"></span>A<span class="_ _a"></span>VD</div><div class="t m0 x31 h10 ya0 ff3 fs8 fc2 sc0 ls0 ws0">BFBAA/SMWE</div><div class="t m0 x31 h10 ya1 ff3 fs8 fc2 sc0 ls0 ws0">BFOE</div><div class="t m0 x31 h10 ya2 ff3 fs8 fc2 sc0 ls0 ws0">BFWE</div><div class="t m0 x31 h10 ya3 ff3 fs8 fc2 sc0 ls0 ws0">A23-A24</div><div class="t m0 x31 h10 ya4 ff3 fs8 fc2 sc0 ls0 ws0">NW<span class="_ _8"></span>AIT</div><div class="t m0 x31 h10 ya5 ff3 fs8 fc2 sc0 ls0 ws0">NCS5/CFCE1</div><div class="t m0 x31 h10 ya6 ff3 fs8 fc2 sc0 ls0 ws0">D16-D31</div><div class="t m0 x31 h10 ya7 ff3 fs8 fc2 sc0 ls0 ws0">TF0</div><div class="t m0 x31 h10 ya8 ff3 fs8 fc2 sc0 ls0 ws0">TK0</div><div class="t m0 x31 h10 ya9 ff3 fs8 fc2 sc0 ls0 ws0">TD0</div><div class="t m0 x31 h10 yaa ff3 fs8 fc2 sc0 ls0 ws0">RD0</div><div class="t m0 x31 h10 yab ff3 fs8 fc2 sc0 ls0 ws0">RK0</div><div class="t m0 x31 h10 yac ff3 fs8 fc2 sc0 ls0 ws0">RF0</div><div class="t m0 x31 h10 yad ff3 fs8 fc2 sc0 ls0 ws0">TF1</div><div class="t m0 x31 h10 yae ff3 fs8 fc2 sc0 ls0 ws0">TK1</div><div class="t m0 x31 h10 yaf ff3 fs8 fc2 sc0 ls0 ws0">TD1</div><div class="t m0 x31 h10 yb0 ff3 fs8 fc2 sc0 ls0 ws0">RD1</div><div class="t m0 x31 h10 yb1 ff3 fs8 fc2 sc0 ls0 ws0">RK1</div><div class="t m0 x31 h10 yb2 ff3 fs8 fc2 sc0 ls0 ws0">RF1</div><div class="t m0 x31 h10 yb3 ff3 fs8 fc2 sc0 ls0 ws0">TF2</div><div class="t m0 x31 h10 yb4 ff3 fs8 fc2 sc0 ls0 ws0">TK2</div><div class="t m0 x31 h10 yb5 ff3 fs8 fc2 sc0 ls0 ws0">TD2</div><div class="t m0 x31 h10 yb6 ff3 fs8 fc2 sc0 ls0 ws0">RD2</div><div class="t m0 x31 h10 yb7 ff3 fs8 fc2 sc0 ls0 ws0">RK2</div><div class="t m0 x31 h10 yb8 ff3 fs8 fc2 sc0 ls0 ws0">RF2</div><div class="t m0 x31 h10 yb9 ff3 fs8 fc2 sc0 ls0 ws0">TCLK0</div><div class="t m0 x31 h10 yba ff3 fs8 fc2 sc0 ls0 ws0">TCLK1</div><div class="t m0 x31 h10 ybb ff3 fs8 fc2 sc0 ls0 ws0">TCLK2</div><div class="t m0 x31 h10 ybc ff3 fs8 fc2 sc0 ls0 ws0">TIOA0</div><div class="t m0 x31 h10 ybd ff3 fs8 fc2 sc0 ls0 ws0">TIOB0</div><div class="t m0 x31 h10 ybe ff3 fs8 fc2 sc0 ls0 ws0">TIOA1</div><div class="t m0 x31 h10 ybf ff3 fs8 fc2 sc0 ls0 ws0">TIOB1</div><div class="t m0 x31 h10 yc0 ff3 fs8 fc2 sc0 ls0 ws0">TIOA2</div><div class="t m0 x31 h10 yc1 ff3 fs8 fc2 sc0 ls0 ws0">TIOB2</div><div class="t m0 x31 h10 yc2 ff3 fs8 fc2 sc0 ls0 ws0">TCLK3</div><div class="t m0 x31 h10 yc3 ff3 fs8 fc2 sc0 ls0 ws0">TCLK4</div><div class="t m0 x31 h10 yc4 ff3 fs8 fc2 sc0 ls0 ws0">TCLK5</div><div class="t m0 x31 h10 yc5 ff3 fs8 fc2 sc0 ls0 ws0">TIOA3</div><div class="t m0 x31 h10 yc6 ff3 fs8 fc2 sc0 ls0 ws0">TIOB3</div><div class="t m0 x31 h10 yc7 ff3 fs8 fc2 sc0 ls0 ws0">TIOA4</div><div class="t m0 x31 h10 yc8 ff3 fs8 fc2 sc0 ls0 ws0">TIOB4</div><div class="t m0 x31 h10 yc9 ff3 fs8 fc2 sc0 ls0 ws0">TIOA5</div><div class="t m0 x31 h10 yca ff3 fs8 fc2 sc0 ls0 ws0">TIOB5</div><div class="t m0 x32 h10 ycb ff3 fs8 fc2 sc0 ls54 ws0">TWD</div><div class="t m0 x33 h10 ycc ff3 fs8 fc2 sc0 ls0 ws0">TWCK</div><div class="t m0 xf h10 ycd ff3 fs8 fc2 sc0 ls0 ws0">JT<span class="_ _a"></span>AGSEL</div><div class="t m0 x34 h10 yce ff3 fs8 fc2 sc0 ls0 ws0">TDI</div><div class="t m0 x35 h10 ycf ff3 fs8 fc2 sc0 ls0 ws0">TDO</div><div class="t m0 x35 h10 yd0 ff3 fs8 fc2 sc0 ls54 ws0">TMS</div><div class="t m0 x35 h10 yd1 ff3 fs8 fc2 sc0 ls0 ws0">TCK</div><div class="t m0 x36 h10 yd2 ff3 fs8 fc2 sc0 ls0 ws0">NTRST</div><div class="t m0 x34 h10 yd3 ff3 fs8 fc2 sc0 ls0 ws0">FIQ</div><div class="t m0 x37 h10 yd4 ff3 fs8 fc2 sc0 ls0 ws0">IRQ0-IRQ6</div><div class="t m0 x38 h10 yd5 ff3 fs8 fc2 sc0 ls0 ws0">PCK0-PCK3</div><div class="t m0 x39 h10 yd6 ff3 fs8 fc2 sc0 ls0 ws0">PLLRCB</div><div class="t m0 x39 h10 yd7 ff3 fs8 fc2 sc0 ls0 ws0">PLLRCA</div><div class="t m0 x34 h10 yd8 ff3 fs8 fc2 sc0 ls0 ws0">XIN</div><div class="t m0 x3a h10 yd9 ff3 fs8 fc2 sc0 ls0 ws0">XOUT</div><div class="t m0 x3a h10 yda ff3 fs8 fc2 sc0 ls0 ws0">XIN32</div><div class="t m0 x39 h10 ydb ff3 fs8 fc2 sc0 ls0 ws0">XOUT32</div><div class="t m0 x32 h10 ydc ff3 fs8 fc2 sc0 ls0 ws0">DDM</div><div class="t m0 x35 h10 ydd ff3 fs8 fc2 sc0 ls0 ws0">DDP</div><div class="t m0 x33 h10 yde ff3 fs8 fc2 sc0 ls0 ws0">MCCK</div><div class="t m0 x3b h10 ydf ff3 fs8 fc2 sc0 ls0 ws0">MCCDA</div><div class="t m0 x3c h10 ye0 ff3 fs8 fc2 sc0 ls0 ws0">MCDA0-MCD<span class="_ _8"></span>A3</div><div class="t m0 x10 h10 ye1 ff3 fs8 fc2 sc0 ls0 ws0">MCCDB</div><div class="t m0 x3a h10 ye2 ff3 fs8 fc2 sc0 ls0 ws0">RXD0</div><div class="t m0 x3d h10 ye3 ff3 fs8 fc2 sc0 ls0 ws0">TXD0</div><div class="t m0 x3d h10 ye4 ff3 fs8 fc2 sc0 ls0 ws0">SCK0</div><div class="t m0 x3d h10 ye5 ff3 fs8 fc2 sc0 ls0 ws0">RTS0</div><div class="t m0 x3d h10 ye6 ff3 fs8 fc2 sc0 ls0 ws0">CTS0</div><div class="t m0 x3a h10 ye7 ff3 fs8 fc2 sc0 ls0 ws0">RXD1</div><div class="t m0 x3d h10 ye8 ff3 fs8 fc2 sc0 ls0 ws0">TXD1</div><div class="t m0 x3d h10 ye9 ff3 fs8 fc2 sc0 ls0 ws0">SCK1</div><div class="t m0 x3d h10 yea ff3 fs8 fc2 sc0 ls0 ws0">RTS1</div><div class="t m0 x3d h10 yeb ff3 fs8 fc2 sc0 ls0 ws0">CTS1</div><div class="t m0 x3a h10 yec ff3 fs8 fc2 sc0 ls0 ws0">DSR1</div><div class="t m0 x3d h10 yed ff3 fs8 fc2 sc0 ls0 ws0">DTR1</div><div class="t m0 x3a h10 yee ff3 fs8 fc2 sc0 ls0 ws0">DCD1</div><div class="t m0 x34 h10 yef ff3 fs8 fc2 sc0 ls0 ws0">RI1</div><div class="t m0 x3a h10 yf0 ff3 fs8 fc2 sc0 ls0 ws0">RXD2</div><div class="t m0 x3d h10 yf1 ff3 fs8 fc2 sc0 ls0 ws0">TXD2</div><div class="t m0 x3d h10 yf2 ff3 fs8 fc2 sc0 ls0 ws0">SCK2</div><div class="t m0 x3d h10 yf3 ff3 fs8 fc2 sc0 ls0 ws0">RTS2</div><div class="t m0 x3d h10 yf4 ff3 fs8 fc2 sc0 ls0 ws0">CTS2</div><div class="t m0 x3a h10 yf5 ff3 fs8 fc2 sc0 ls0 ws0">RXD3</div><div class="t m0 x3d h10 yf6 ff3 fs8 fc2 sc0 ls0 ws0">TXD3</div><div class="t m0 x3d h10 yf7 ff3 fs8 fc2 sc0 ls0 ws0">SCK3</div><div class="t m0 x3d h10 yf8 ff3 fs8 fc2 sc0 ls0 ws0">RTS3</div><div class="t m0 x3d h10 yf9 ff3 fs8 fc2 sc0 ls0 ws0">CTS3</div><div class="t m0 x36 h10 yfa ff3 fs8 fc2 sc0 ls0 ws0">NPCS0</div><div class="t m0 x36 h10 yfb ff3 fs8 fc2 sc0 ls0 ws0">NPCS1</div><div class="t m0 x36 h10 yfc ff3 fs8 fc2 sc0 ls0 ws0">NPCS2</div><div class="t m0 x36 h10 yfd ff3 fs8 fc2 sc0 ls0 ws0">NPCS3</div><div class="t m0 x3d h10 yfe ff3 fs8 fc2 sc0 ls0 ws0">MISO</div><div class="t m0 x3d h10 yff ff3 fs8 fc2 sc0 ls0 ws0">MOSI</div><div class="t m0 x3a h10 y100 ff3 fs8 fc2 sc0 ls0 ws0">SPCK</div><div class="t m0 x3c h10 y101 ff3 fs8 fc2 sc0 ls0 ws0">MCDB0-MCDB3</div><div class="t m0 x31 h10 y102 ff3 fs8 fc2 sc0 ls0 ws0">HDMA</div><div class="t m0 x31 h10 y103 ff3 fs8 fc2 sc0 ls0 ws0">HDPB</div><div class="t m0 x31 h10 y104 ff3 fs8 fc2 sc0 ls0 ws0">HDP<span class="_ _a"></span>A</div><div class="t m0 x31 h10 y105 ff3 fs8 fc2 sc0 ls0 ws0">HDMB</div><div class="t m0 x3a h10 y106 ff3 fs8 fc2 sc0 ls0 ws0">DRXD</div><div class="t m0 x3a h10 y107 ff3 fs8 fc2 sc0 ls0 ws0">DTXD</div><div class="t m0 x3e h10 y108 ff3 fs8 fc2 sc0 ls0 ws0">Ethernet MAC 10/100</div><div class="t m0 x31 h10 y109 ff3 fs8 fc2 sc0 ls0 ws0">ETXCK-ERXCK-EREFCK</div><div class="t m0 x31 h10 y10a ff3 fs8 fc2 sc0 ls0 ws0">ETXEN-ETXER</div><div class="t m0 x31 h10 y10b ff3 fs8 fc2 sc0 ls0 ws0">ECRS-ECOL</div><div class="t m0 x31 h10 y10c ff3 fs8 fc2 sc0 ls0 ws0">ERXER-ERXD<span class="_ _8"></span>V</div><div class="t m0 x31 h10 y10d ff3 fs8 fc2 sc0 ls0 ws0">ERX0-ERX3</div><div class="t m0 x31 h10 y10e ff3 fs8 fc2 sc0 ls0 ws0">ETX0-ETX3</div><div class="t m0 x31 h10 y10f ff3 fs8 fc2 sc0 ls0 ws0">EMDC</div><div class="t m0 x3f h10 y110 ff3 fs8 fc2 sc0 ls0 ws0">SDRAM</div><div class="t m0 x40 h10 y111 ff3 fs8 fc2 sc0 ls0 ws0">Controller</div><div class="t m0 x41 h10 y112 ff3 fs8 fc2 sc0 ls0 ws0">Burst</div><div class="t m0 x41 h10 y113 ff3 fs8 fc2 sc0 ls0 ws0">Flash</div><div class="t m0 x40 h10 y114 ff3 fs8 fc2 sc0 ls0 ws0">Controller</div><div class="t m0 x41 h10 y115 ff3 fs8 fc2 sc0 ls0 ws0">Static</div><div class="t m0 x3f h10 y116 ff3 fs8 fc2 sc0 ls0 ws0">Memory</div><div class="t m0 x40 h10 y117 ff3 fs8 fc2 sc0 ls0 ws0">Controller</div><div class="t m1 x30 h10 y118 ff3 fs8 fc2 sc0 ls0 ws0">PIO</div><div class="t m0 x42 h12 y119 ff3 fsa fc2 sc0 ls0 ws0">Instruction Cache</div><div class="t m0 x43 h12 y11a ff3 fsa fc2 sc0 ls0 ws0">16K bytes</div><div class="t m0 x44 h12 y119 ff3 fsa fc2 sc0 ls0 ws0">Data Cache</div><div class="t m0 x45 h12 y11a ff3 fsa fc2 sc0 ls0 ws0">16K bytes</div><div class="t m0 x46 h12 y11b ff3 fsa fc2 sc0 ls55 ws0">MMU</div><div class="t m0 x31 h10 y11c ff3 fs8 fc2 sc0 ls0 ws0">EMDIO</div><div class="t m0 x47 h10 y11d ff3 fs8 fc2 sc0 ls0 ws0">DMA<span class="_ _19"> </span>FIFO</div><div class="t m0 x48 h10 y11e ff3 fs8 fc2 sc0 ls0 ws0">DMA<span class="_ _1a"> </span>FIFO</div><div class="t m0 x49 h10 y11f ff3 fs8 fc2 sc0 ls0 ws0">USB Host</div><div class="t m0 x4a h10 y120 ff3 fs8 fc2 sc0 ls0 ws0">FIFO</div><div class="t m0 x7 h10 y121 ff3 fs8 fc2 sc0 ls0 ws0">USB Device</div><div class="t m1 x1d h10 y122 ff3 fs8 fc2 sc0 ls0 ws0">T<span class="_ _a"></span>ransceiver</div><div class="t m1 x22 h10 y123 ff3 fs8 fc2 sc0 ls0 ws0">PIO</div><div class="t m1 x30 h10 y124 ff3 fs8 fc2 sc0 ls0 ws0">PIO<span class="_ _1b"> </span>PIO</div><div class="t m0 x4b h10 y125 ff3 fs8 fc2 sc0 ls0 ws0">Reset</div><div class="t m0 x23 h10 y126 ff3 fs8 fc2 sc0 ls0 ws0">and</div><div class="t m0 x23 h10 y127 ff3 fs8 fc2 sc0 ls0 ws0">T<span class="_ _a"></span>est</div><div class="t m0 x17 h10 y128 ff3 fs8 fc2 sc0 ls0 ws0">TST0-TST1</div><div class="t m0 x3a h10 y129 ff3 fs8 fc2 sc0 ls0 ws0">NRST</div><div class="t m0 x4c h10 y12a ff3 fs8 fc2 sc0 ls0 ws0">APB</div><div class="t m0 x21 h10 y12b ff3 fs8 fc2 sc0 ls0 ws0">F<span class="_ _8"></span>ast ROM</div><div class="t m0 x20 h10 y12c ff3 fs8 fc2 sc0 ls0 ws0">128K bytes</div><div class="t m0 x31 h10 y12d ff3 fs8 fc2 sc0 ls54 ws0">BMS</div><div class="t m0 x31 h10 y12e ff3 fs8 fc2 sc0 ls0 ws0">NCS2</div><div class="t m0 x31 h10 y12f ff3 fs8 fc2 sc0 ls0 ws0">A25/CFRNW</div><div class="t m0 x31 h10 y130 ff3 fs8 fc2 sc0 ls0 ws0">NCS4/CFCS</div><div class="t m0 x4d h10 y131 ff3 fs8 fc2 sc0 ls0 ws0">Misalignment</div><div class="t m0 x4e h10 y132 ff3 fs8 fc2 sc0 ls0 ws0">Detector</div><div class="t m0 x4e h10 y133 ff3 fs8 fc2 sc0 ls0 ws0">Address</div><div class="t m0 x4f h10 y134 ff3 fs8 fc2 sc0 ls0 ws0">Decoder</div><div class="t m0 x46 h10 y135 ff3 fs8 fc2 sc0 ls0 ws0">Abort</div><div class="t m0 x50 h10 y136 ff3 fs8 fc2 sc0 ls0 ws0">Status</div><div class="t m0 x31 h10 y137 ff3 fs8 fc2 sc0 ls0 ws0">NCS6/CFCE2</div><div class="t m1 x51 h10 y138 ff3 fs8 fc2 sc0 ls0 ws0">T<span class="_ _a"></span>ransceiver</div><div class="t m0 x31 h10 y139 ff3 fs8 fc2 sc0 ls0 ws0">NCS7</div><div class="t m0 x52 h11 y13a ff3 fs9 fc2 sc0 ls0 ws0">Memory</div><div class="t m0 x53 h11 y13b ff3 fs9 fc2 sc0 ls0 ws0">Controller</div><div class="t m0 x54 h10 y13c ff3 fs8 fc2 sc0 ls0 ws0">Bus</div><div class="t m0 x50 h10 y13d ff3 fs8 fc2 sc0 ls0 ws0">Arbiter</div><div class="t m0 x21 h10 y13e ff3 fs8 fc2 sc0 ls0 ws0">P<span class="_ _8"></span>eripheral</div><div class="t m0 x55 h10 y13f ff3 fs8 fc2 sc0 ls0 ws0">Bridge</div><div class="t m0 x21 h10 y140 ff3 fs8 fc2 sc0 ls0 ws0">P<span class="_ _8"></span>eripheral</div><div class="t m0 x56 h10 y141 ff3 fs8 fc2 sc0 ls54 ws0">DMA</div><div class="t m0 x21 h10 y142 ff3 fs8 fc2 sc0 ls0 ws0">Controller</div><div class="t m0 x31 h10 y143 ff3 fs8 fc2 sc0 ls0 ws0">EF100</div><div class="t m0 x57 h10 y144 ff3 fs8 fc2 sc0 ls0 ws0">ETM</div><div class="t m0 x31 h10 y145 ff3 fs8 fc2 sc0 ls0 ws0">TSYNC</div><div class="t m0 x31 h10 y146 ff3 fs8 fc2 sc0 ls0 ws0">TCLK</div><div class="t m0 x31 h10 y147 ff3 fs8 fc2 sc0 ls0 ws0">TPS0 - <span class="_ _8"></span>TPS2</div><div class="t m0 x31 h10 y148 ff3 fs8 fc2 sc0 ls0 ws0">TPK0 - <span class="_ _8"></span>TPK15</div><div class="t m0 x58 h12 y149 ff3 fsa fc2 sc0 ls0 ws0">CompactFlash</div><div class="t m0 x59 h12 y14a ff3 fsa fc2 sc0 ls55 ws1d">NAND Flash</div><div class="t m0 x59 h12 y14b ff3 fsa fc2 sc0 ls0 ws0">SmartMedia</div><div class="t m0 x5a h10 y14c ff3 fs8 fc2 sc0 ls0 ws0">PDC</div><div class="t m0 x5a h10 y14d ff3 fs8 fc2 sc0 ls0 ws0">PDC</div><div class="t m0 x5a h10 y14e ff3 fs8 fc2 sc0 ls0 ws0">PDC</div><div class="t m0 x5a h10 y14f ff3 fs8 fc2 sc0 ls0 ws0">PDC</div><div class="t m0 x5b h10 y150 ff3 fs8 fc2 sc0 ls0 ws0">PDC</div><div class="t m0 x5b h10 y151 ff3 fs8 fc2 sc0 ls0 ws0">PDC</div><div class="t m0 x5a h10 y152 ff3 fs8 fc2 sc0 ls0 ws0">PDC</div><div class="t m0 x5a h10 y153 ff3 fs8 fc2 sc0 ls0 ws0"><span class="fc1 sc0">PDC</span><span class="_ _1c"></span><span class="fc1 sc0">PDC</span><span class="_ _1d"></span>PDC</div><div class="t m0 x5b h10 y154 ff3 fs8 fc2 sc0 ls0 ws0">PDC</div><div class="t m0 x5c h10 y155 ff3 fs8 fc2 sc0 ls0 ws0">PDC</div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></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/62572cd760196e4b849c9c83/bg4.jpg"><div class="t m0 x16 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">4</div><div class="t m0 x17 h9 y49 ff1 fs4 fc0 sc0 ls2 ws0">AT91RM9200</div><div class="t m0 x18 hd y4a ff3 fs6 fc0 sc0 ls2e ws0">1768B–ATARM–07-Jun-05</div><div class="t m0 x5d he y156 ff2 fs1 fc0 sc1 ls0 ws0">主<span class="ff6">要</span>特性<span class="_ _1e"> </span><span class="ff6 fs0 sc0">本<span class="ff2">节</span><span class="ls2c">介绍</span><span class="ff2">各个模</span>块<span class="ff2 ls2c">的主</span>要<span class="ff2 ls2c">特性</span>。</span></div><div class="t m0 x5d h13 y157 ff1 fsb fc0 sc0 ls0 ws0">ARM920T<span class="_ _15"> </span><span class="ff2 sc1">处理器<span class="_ _1f"> </span></span><span class="ff3 fs0 ls56">•A<span class="_ _20"></span>R<span class="_ _20"></span>M<span class="_ _20"></span>9<span class="_ _20"></span>T<span class="_ _20"></span>D<span class="_ _20"></span>M<span class="_ _20"></span>I</span></div><div class="t m0 x5a hd y158 ff3 fs6 fc0 sc0 ls0 ws0">™</div><div class="t m0 x5e h4 y157 ff2 fs0 fc0 sc0 ls2c ws0">基于<span class="_ _1"> </span><span class="ff3 ls33">AR<span class="_ _6"></span>M</span></div><div class="t m0 x5f hd y158 ff3 fs6 fc0 sc0 ls0 ws0">®</div><div class="t m0 x60 h4 y157 ff3 fs0 fc0 sc0 ls45 ws1e"> v4T<span class="_ _9"> </span><span class="ff6 ls0 ws0">架<span class="ff2">构</span></span></div><div class="t m0 x61 h4 y159 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _21"> </span><span class="ff2">两<span class="ff6">套</span>指令集</span></div><div class="t m0 x27 h4 y15a ff3 fs0 fc0 sc0 ls57 ws0">–3<span class="_ _22"></span>2<span class="_ _23"></span><span class="ff2 ls2c">位高性能<span class="_ _1"> </span><span class="ff3 ls58">ARM</span></span></div><div class="t m0 x62 hd y15b ff3 fs6 fc0 sc0 ls0 ws0">®</div><div class="t m0 x63 h4 y15c ff3 fs0 fc0 sc0 ls0 ws0"> <span class="ff2">指令集</span></div><div class="t m0 x27 h4 y15d ff3 fs0 fc0 sc0 ls57 ws0">–1<span class="_ _22"></span>6<span class="_ _23"></span><span class="ff2 ls2c">位高<span class="ff6">代码密</span><span class="ls0">度<span class="_ _1"> </span><span class="ff3 ls59">Thumb</span></span></span></div><div class="t m0 x4d hd y15e ff3 fs6 fc0 sc0 ls0 ws0">®</div><div class="t m0 x50 h14 y15f ff2 fs0 fc0 sc0 ls0 ws0">指令集</div><div class="t m0 x61 h4 y160 ff3 fs0 fc0 sc0 ls56 ws0">•5<span class="_ _24"></span><span class="ff2 ls2c">级流<span class="ff6 ls0">水</span>线结构：</span></div><div class="t m0 x27 h4 y161 ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff6">取<span class="ff2 ls2c">指令<span class="_ _9"> </span></span></span><span class="ls5a">(F)</span></div><div class="t m0 x27 h4 y162 ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2 ls2c">指令</span><span class="ff6">译码</span><span class="ls42 ws1f"> (D)</span></div><div class="t m0 x27 h4 y163 ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff6">执<span class="ff2">行<span class="_ _9"> </span></span></span><span class="ls53">(E)</span></div><div class="t m0 x27 h4 y164 ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2 ls2c">数据存储器<span class="_ _1"> </span></span><span class="ls48">(M)</span></div><div class="t m0 x27 h4 y165 ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2">写<span class="ff6">寄</span>存器<span class="_ _9"> </span></span><span class="ls5b">(W)</span></div><div class="t m0 x61 h4 y166 ff3 fs0 fc0 sc0 ls56 ws0">•1<span class="_ _20"></span>6<span class="_ _20"></span>-<span class="_ _20"></span>K<span class="_ _24"></span><span class="ff2 ls2c">字节数据缓存，<span class="_ _1"> </span><span class="ff3 ls48">16-K<span class="_ _9"> </span></span>字节指令缓存</span></div><div class="t m0 x27 h4 y167 ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff6">虚<span class="ff2">拟</span>地址<span class="ff2">的<span class="_ _9"> </span></span></span><span class="ls5c">64<span class="_ _9"> </span><span class="ff6 ls2c">路相关<span class="ff2">缓存</span></span></span></div><div class="t m0 x27 h4 y168 ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2 ls2c">每线<span class="_ _1"> </span></span>8<span class="_"> </span><span class="ff2">字</span></div><div class="t m0 x27 h4 y169 ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff6 ls2c">正向</span><span class="ff2">及<span class="ff6 ls2c">反向</span>写操作</span></div><div class="t m0 x27 h4 y16a ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2">伪<span class="ff6">随</span>机或<span class="ff6 ls2c">循环</span>置<span class="ff6">换</span></span></div><div class="t m0 x27 h4 y16b ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2 ls2c">低功耗<span class="_ _1"> </span></span><span class="ls5d ws20">CAM R<span class="_ _6"></span>AM<span class="_ _1"> </span></span><span class="ff2">设<span class="ff6">备</span></span></div><div class="t m0 x61 h4 y16c ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _21"> </span><span class="ff2 ls2c">写缓冲器</span></div><div class="t m0 x27 h4 y16d ff3 fs0 fc0 sc0 ls57 ws0">–1<span class="_ _22"></span>6<span class="_ _23"></span><span class="ff2 ls2c">字的数据缓冲器</span></div><div class="t m0 x27 h4 y16e ff3 fs0 fc0 sc0 ls57 ws0">–4<span class="_ _23"></span><span class="ff6 ls0">地址<span class="ff2">的</span>地址<span class="ff2 ls2c">缓冲器</span></span></div><div class="t m0 x27 h4 y16f ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2 ls2c">软件控制</span><span class="ff6">消<span class="ff2">耗</span></span></div><div class="t m0 x61 h4 y170 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _21"> </span><span class="ff6 ls2c">标准</span><span class="ff2">的<span class="_ _9"> </span></span><span class="ls41">ARMv4<span class="_ _1"> </span><span class="ff2 ls2c">存储器管理单元<span class="_ _9"> </span></span><span class="ls47">(MMU)</span></span></div><div class="t m0 x27 h4 y171 ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff6 ls2c">区域访问许</span><span class="ff2">可</span></div><div class="t m0 x27 h4 y172 ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff6 ls2c">允许</span><span class="ff2">以<span class="_ _9"> </span><span class="ff7 ls33">1/4<span class="_ _1"> </span><span class="ff6 ls2c">页面大小</span></span>对<span class="ff6 ls2c">页面进</span>行<span class="ff6 ls2c">访问</span></span></div><div class="t m0 x27 h4 y173 ff3 fs0 fc0 sc0 ls57 ws0">–1<span class="_ _22"></span>6<span class="_ _23"></span><span class="ff2 ls2c">个嵌入<span class="ff6 ls0">域</span></span></div><div class="t m0 x27 h4 y174 ff3 fs0 fc0 sc0 ls57 ws0">–6<span class="_ _22"></span>4<span class="_ _23"></span><span class="ff2 ls2c">个输入指令<span class="_ _1"> </span><span class="ff3 ls59">TLB<span class="_"> </span></span><span class="ls0">及<span class="_ _1"> </span><span class="ff3 ls5e">64<span class="_"> </span></span></span>个输入数据<span class="_ _1"> </span><span class="ff3 ls5f">TLB</span></span></div><div class="t m0 x61 h4 y175 ff3 fs0 fc0 sc0 ls56 ws0">•8<span class="_ _24"></span><span class="ff2 ls2c">位、</span></div><div class="t m0 x64 h4 y176 ff3 fs0 fc0 sc0 ls5e ws0">16<span class="_"> </span><span class="ff2 ls2c">位、<span class="_ _1"> </span></span><span class="ls5c">32<span class="_ _1"> </span><span class="ff2 ls2c">位的指令总线与数据总线</span></span></div><div class="t m0 x5d h15 y177 ff2 fsb fc0 sc1 ls0 ws0">调试与<span class="ff6">测</span>试<span class="_ _26"> </span><span class="ff3 fs0 sc0">•<span class="_ _21"> </span><span class="ff2 ls2c">集成了嵌入式内部电</span><span class="ff6">路<span class="ff2 ls2c">仿真器</span></span></span></div><div class="t m0 x61 h4 y178 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _21"> </span><span class="ff2 ls2c">调试单元</span></div><div class="t m0 x27 h4 y179 ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2 ls2c">两引脚的<span class="_ _1"> </span></span><span class="ls60">UA<span class="_ _d"></span>RT</span></div><div class="t m0 x27 h4 y17a ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2 ls2c">调试信道</span></div><div class="t m0 x27 h4 y17b ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff6">芯<span class="ff2">片</span></span><span class="ls45"> ID<span class="_"> </span></span><span class="ff6">寄<span class="ff2">存器</span></span></div><div class="t m0 x61 h4 y17c ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _21"> </span><span class="ff2 ls2c">嵌入式<span class="ff6">追踪</span>宏单元：</span><span class="ls61 ws21">ETM9 Re<span class="_ _8"></span>v2a</span></div><div class="t m0 x27 h4 y17d ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2 ls2c">中级实</span><span class="ff6">现</span></div><div class="t m0 x27 h4 y17e ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff6">半<span class="ff2 ls2c">速时钟模式</span></span></div><div class="t m0 x27 h4 y17f ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2 ls2c">四对</span><span class="ff6">地址<span class="ff2">比</span>较<span class="ff2">器</span></span></div><div class="t m0 x27 h4 y180 ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2 ls2c">两个数据比</span><span class="ff6">较<span class="ff2">器</span></span></div><div class="t m0 x27 h4 y181 ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff6">八<span class="ff2 ls2c">个存储器</span>映射<span class="ff2">解</span>码<span class="ff2 ls2c">器输入</span></span></div><div class="t m0 x27 h4 y182 ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2 ls2c">两个计数器</span></div><div class="t m0 x27 h4 y183 ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2 ls2c">一个</span><span class="ff6">序列<span class="ff2 ls2c">发生器</span></span></div><div class="t m0 x27 h4 y184 ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2 ls2c">一个<span class="_ _1"> </span></span><span class="ls5c">18<span class="_"> </span><span class="ff2 ls2c">字节的<span class="_ _1"> </span></span><span class="ls62">FIFO</span></span></div><div class="t m0 x61 h4 y185 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _21"> </span><span class="ff2 ls2c">数字引脚通</span><span class="ff6">过<span class="_ _1"> </span></span><span class="ls63 ws22">IEEE<span class="_ _6"></span>1149.1 JT<span class="_ _11"></span>A<span class="_ _8"></span>G <span class="ff2 ls2c ws0">边界扫描</span></span></div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></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/62572cd760196e4b849c9c83/bg5.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">5</div><div class="t m0 x1b h9 y61 ff1 fs4 fc0 sc0 ls22 ws0">AT91RM9200</div><div class="t m0 x2 hd y4a ff3 fs6 fc0 sc0 ls2e ws0">1768B–ATARM–07-Jun-05</div><div class="t m0 x2 h15 y186 ff2 fsb fc0 sc1 ls0 ws0">引<span class="ff6">导</span>程<span class="ff6">序<span class="_ _27"> </span><span class="ff3 fs0 sc0">•<span class="_ _21"> </span><span class="ff2">引<span class="ff6">导</span>程<span class="ff6 ls2c">序默认<span class="ff2">存储</span><span class="ls0">在<span class="_ _9"> </span></span></span></span><span class="ls64">ROM<span class="_ _9"> </span></span><span class="ff2">中</span></span></span></div><div class="t m0 x19 h4 y187 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _21"> </span><span class="ff6">由<span class="ff2 ls2c">外部存储器</span>载<span class="ff2 ls2c">入内部<span class="_ _1"> </span></span></span><span class="ls32">SRAM<span class="_"> </span></span><span class="ff2">中<span class="ff6">运</span>行</span></div><div class="t m0 x19 h4 y188 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _21"> </span><span class="ff2">下<span class="ff6 ls2c">载代码大小由<span class="ff2">内部<span class="_ _1"> </span></span></span></span><span class="ls32">SRAM<span class="_"> </span><span class="ff6 ls2c">大小决</span></span><span class="ff2">定</span></div><div class="t m0 x19 h4 y189 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _21"> </span><span class="ff2 ls2c">自动</span><span class="ff6">检测<span class="ff2">有</span>效<span class="ff2 ls2c">的应用程</span>序</span></div><div class="t m0 x19 h4 y18a ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _21"> </span><span class="ff2">引<span class="ff6 ls2c">导载<span class="ff2">入支持多数</span><span class="ls0">非易失</span><span class="ff2">性存储器</span></span></span></div><div class="t m0 x65 h4 y18b ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2 ls2c">连接</span><span class="ff6">在<span class="_ _9"> </span></span><span class="ls32 ws23">SPI NPCS0<span class="_ _1"> </span></span><span class="ff2">上的<span class="_ _9"> </span></span><span class="ls33">SPI</span><span class="ff5"> </span><span class="ls65">DataFlash</span></div><div class="t m0 x66 hd y18c ff3 fs6 fc0 sc0 ls0 ws0">®</div><div class="t m0 x67 h4 y18d ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x65 h4 y18e ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2 ls2c">两线<span class="_ _1"> </span></span><span class="ls33">EEP<span class="_ _6"></span>RO<span class="_ _8"></span>M</span></div><div class="t m0 x65 h4 y18f ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff6">若<span class="ff2 ls2c">器件集成了<span class="_ _1"> </span></span></span><span class="ls33">EBI</span><span class="ff2">，<span class="_ _6"></span><span class="ff6 ls2c">则在<span class="_ _1"> </span></span></span><span class="ls66">NCS0<span class="_"> </span><span class="ff2 ls2c">上提供<span class="_ _1"> </span></span></span>8<span class="_"> </span><span class="ff2 ls2c">位并行存储器</span></div><div class="t m0 x19 h4 y190 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _21"> </span><span class="ff2 ls2c">提供支持多种通信</span><span class="ff6">介质<span class="ff2 ls2c">的引</span>导<span class="ff2 ls2c">上传器<span class="_ _1"> </span></span></span><span class="ls67 ws24">(Boot Uploader)<span class="_"> </span></span><span class="ff2">以<span class="ff6">防</span><span class="ls2c">外部<span class="_ _1"> </span></span></span><span class="ls68">NVM<span class="_ _9"> </span></span><span class="ff2">上<span class="ff6 ls2c">未检测到</span>有<span class="ff6">效</span>程<span class="ff6">序</span></span></div><div class="t m0 x19 h4 y191 ff3 fs0 fc0 sc0 ls56 ws25">•D<span class="_ _20"></span>B<span class="_ _20"></span>G<span class="_ _20"></span>U<span class="_ _20"></span> (<span class="_ _20"></span>X<span class="_ _20"></span>M<span class="_ _20"></span>o<span class="_ _20"></span>d<span class="_ _20"></span>e<span class="_ _20"></span>m<span class="_ _24"></span><span class="ff2 ls2c ws0">协议<span class="_ _1"> </span><span class="ff3 ls0">)<span class="_"> </span></span>上串行通信</span></div><div class="t m0 x19 h4 y192 ff3 fs0 fc0 sc0 ls56 ws0">•U<span class="_ _20"></span>S<span class="_ _20"></span>B<span class="_ _24"></span><span class="ff2 ls2c">器件端口<span class="_ _1"> </span><span class="ff3 ls69">(DFU<span class="_"> </span></span>协议<span class="_ _9"> </span><span class="ff3 ls0">)</span></span></div><div class="t m0 x2 h15 y193 ff2 fsb fc0 sc1 ls0 ws0">嵌入式软件<span class="ff6">服务<span class="_ _28"> </span><span class="ff3 fs0 sc0 ls56">•A<span class="_ _29"></span>T<span class="_ _20"></span>P<span class="_ _20"></span>C<span class="_ _20"></span>S<span class="_ _24"></span><span class="ff6 ls0">适<span class="ff2">用<span class="ff3"> </span></span></span></span></span></div><div class="t m0 x19 h4 y194 ff3 fs0 fc0 sc0 ls5d ws0">•<span class="_ _21"> </span>AINSI/ISO<span class="_ _1"> </span><span class="ff6 ls2c">标准<span class="_ _9"> </span></span><span class="ls0">C<span class="_ _9"> </span><span class="ff6">适<span class="ff2">用</span></span></span></div><div class="t m0 x19 h4 y195 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _21"> </span><span class="ff6">在<span class="_ _9"> </span></span><span class="ls67">ARM/Thumb<span class="_ _1"> </span><span class="ff6 ls2c">交互<span class="ff2">工作中编</span><span class="ls0">译</span></span></span></div><div class="t m0 x19 h4 y196 ff3 fs0 fc0 sc0 ls56 ws0">•R<span class="_ _20"></span>O<span class="_ _20"></span>M<span class="_ _22"></span><span class="ff6 ls0">进<span class="_"> </span><span class="ff2">入<span class="_ _6"></span></span>服务</span></div><div class="t m0 x19 h4 y197 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _21"> </span><span class="ff2 ls2c">提供<span class="_ _1"> </span></span><span class="ls6a">Te<span class="_"> </span>m<span class="_ _d"></span>p<span class="_"> </span>o<span class="_ _10"></span></span><span class="ff2">、<span class="_ _1"> </span></span><span class="ls4d">Xmodem<span class="_ _9"> </span></span><span class="ff2">及<span class="_ _1"> </span></span><span class="ls39">DataFlash<span class="_ _1"> </span><span class="ff6 ls2c">服务</span></span></div><div class="t m0 x19 h4 y198 ff3 fs0 fc0 sc0 ls56 ws0">•C<span class="_ _20"></span>R<span class="_ _20"></span>C<span class="_ _24"></span><span class="ff2 ls0">及<span class="ff6 ls2c">正弦表</span></span></div><div class="t m0 x2 h16 y199 ff2 fsb fc0 sc1 ls0 ws0">复位控制器<span class="_ _26"> </span><span class="ff3 fs0 sc0">•<span class="_ _21"> </span><span class="ff2 ls2c">提供两条复位输入线<span class="_ _1"> </span></span><span class="ls6b">(NRST<span class="_"> </span></span><span class="ff2">与<span class="_ _9"> </span></span><span class="ls30">NTRST)</span><span class="ff2">：</span></span></div><div class="t m0 x19 h4 y19a ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _21"> </span><span class="ff6 ls2c">初始</span><span class="ff2">化用<span class="ff6">户</span>接口<span class="ff6">寄</span>存器<span class="_ _9"> </span></span>(<span class="_"> </span><span class="ff2 ls2c">各个外设通</span><span class="ff6">过<span class="ff2">用</span>户<span class="ff2 ls2c">接口</span>来<span class="ff2">定</span>义<span class="_ _9"> </span></span>)<span class="_ _1"> </span><span class="ff6">且<span class="ff2">：</span></span></div><div class="t m0 x65 h4 y19b ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff6">在<span class="_ _9"> </span></span><span class="ls5e">bootup<span class="_"> </span><span class="ff2 ls2c">时对信号<span class="ff6">采样</span></span></span></div><div class="t m0 x65 h4 y19c ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2">强<span class="ff6">迫</span>处理器<span class="ff6 ls2c">读取零地址空间<span class="ff2">的下条指令</span></span></span></div><div class="t m0 x19 h4 y19d ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _21"> </span><span class="ff6 ls2c">初始<span class="ff2">化嵌入式<span class="_ _1"> </span></span></span><span class="ws26">ICE<span class="_ _6"></span> T<span class="_ _f"></span>AP<span class="_"> </span><span class="ff2 ws0">控制器</span></span></div><div class="t m0 x2 h16 y27 ff2 fsb fc0 sc1 ls0 ws0">存储控制器<span class="_ _26"> </span><span class="ff3 fs0 sc0">•<span class="_ _21"> </span><span class="ff2 ls2c">可编程的对四主机总线<span class="ff6">仲裁</span>处理</span></span></div><div class="t m0 x65 h4 y19e ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2 ls2c">内部总线</span><span class="ff6">由<span class="_ _1"> </span></span><span class="ls5c">ARM920T</span><span class="ff2">、<span class="_ _9"> </span></span><span class="ls33">PDC</span><span class="ff2">、<span class="_ _9"> </span></span><span class="ls68">USB<span class="_ _1"> </span><span class="ff2 ls2c">主机端口与以太网<span class="_ _9"> </span></span><span class="ls5a">MA<span class="_ _8"></span>C<span class="_ _1"> </span><span class="ff2 ls2c">主机<span class="ff6 ls0">共享</span></span></span></span></div><div class="t m0 x65 h4 y19f ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2 ls2c">每个主机优先级</span><span class="ff6">在<span class="_ _1"> </span></span>0<span class="_"> </span><span class="ff2">～<span class="_ _9"> </span></span>7<span class="_ _1"> </span><span class="ff6 ls2c">之间</span><span class="ff2">分配</span></div><div class="t m0 x19 h4 y1a0 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _21"> </span><span class="ff6 ls2c">地址</span><span class="ff2">解<span class="ff6">码</span><span class="ls2c">器提供</span><span class="ff6">如</span>下<span class="ff6 ls2c">选择</span>：</span></div><div class="t m0 x65 h4 y1a1 ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff6">八<span class="ff2">个<span class="_ _9"> </span></span></span><span class="ls5c">256-M<span class="_ _1"> </span><span class="ff2 ls2c">字节外部存储器</span></span><span class="ff6">区域</span></div><div class="t m0 x65 h4 y1a2 ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2 ls2c">四个<span class="_ _1"> </span></span><span class="ls5c">1-M<span class="_"> </span><span class="ff2 ls2c">字节内部存储器<span class="_ _8"></span><span class="ff6">区域</span></span></span></div><div class="t m0 x65 h4 y1a3 ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2 ls2c">一个<span class="_ _1"> </span></span><span class="ls5c">256-M<span class="_"> </span><span class="ff2 ls2c">字节嵌入式<span class="_ _8"></span>外设<span class="ff6 ls0">区域</span></span></span></div><div class="t m0 x19 h4 y1a4 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _21"> </span><span class="ff2">引<span class="ff6">导</span>模式<span class="ff6 ls2c">选项</span>：</span></div><div class="t m0 x65 h4 y1a5 ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff6 ls2c">非易失<span class="ff2">性引</span><span class="ls0">导</span><span class="ff2">存储器可为片内或片外的</span></span></div><div class="t m0 x65 h4 y1a6 ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff6">由<span class="_ _9"> </span></span>BMS<span class="_ _9"> </span><span class="ff2 ls2c">引脚</span><span class="ff6">在<span class="ff2 ls2c">复位时的<span class="ff6">采样值选</span><span class="ls0">定</span></span></span></div><div class="t m0 x19 h4 y1a7 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _21"> </span><span class="ff2">异<span class="ff6">常</span><span class="ls2c">中断状态</span><span class="ff6">寄</span><span class="ls2c">存器</span></span></div><div class="t m0 x65 h4 y1a8 ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2 ls2c">保存所有引</span><span class="ff6">起<span class="ff2 ls2c">发生异</span>常<span class="ff2 ls2c">中断的源、</span>类<span class="ff2 ls2c">型及<span class="ff6">访问参</span><span class="ls0">数</span></span></span></div><div class="t m0 x19 h4 y1a9 ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _21"> </span><span class="ff6 ls2c">检测</span><span class="ff2">器<span class="ff6">失</span>调</span></div><div class="t m0 x65 h4 y1aa ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2 ls2c">对所有数据</span><span class="ff6">访问进<span class="ff2">行</span><span class="ls2c">校准检测</span></span></div><div class="t m0 x65 h4 y1ab ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff6">失<span class="ff2 ls2c">调时产生中</span>止</span></div><div class="t m0 x19 h4 y1ac ff3 fs0 fc0 sc0 ls0 ws0">•<span class="_ _21"> </span><span class="ff6 ls2c">重新映射命</span><span class="ff2">令</span></div><div class="t m0 x65 h4 y1ad ff3 fs0 fc0 sc0 ls0 ws0">–<span class="_ _25"> </span><span class="ff2 ls2c">对内部<span class="_ _1"> </span></span><span class="ls32">SRAM<span class="_"> </span><span class="ff2 ls2c">提供<span class="ff6">重新映射</span><span class="ls0">以<span class="ff6">代替</span>引<span class="ff6">导<span class="_ _9"> </span></span></span></span><span class="ls66">NVM</span></span></div><div class="t m0 x2 h16 y1ae ff2 fsb fc0 sc1 ls0 ws0">外部总线接口<span class="_ _2a"> </span><span class="ff3 fs0 sc0">•<span class="_ _21"> </span><span class="ff2 ls2c">集成了</span><span class="ff6">三<span class="ff2 ls2c">个外部存储控制器：</span></span></span></div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>