32-ata.htm

关于单片机接口技术的文档

    <td bgcolor="#C8C8FF"><font color="#0000FF">DD0</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowlr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowlr.gif" alt="&lt;-&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Data 0</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">18</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DD15</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowlr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowlr.gif" alt="&lt;-&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Data 15</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">19</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">GND</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrow.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrow.gif" alt="---" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Ground</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">20</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">KEY</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">-</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Key (Pin missing)</font></td>
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    <td bgcolor="#C8C8FF"><font color="#0000FF">21</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DMARQ</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">?</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DMA Request</font></td>
  </tr>
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    <td bgcolor="#C8C8FF"><font color="#0000FF">22</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">GND</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrow.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrow.gif" alt="---" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Ground</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">23</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">/DIOW</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Write Strobe</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">24</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">GND</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrow.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrow.gif" alt="---" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Ground</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">25</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">/DIOR</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Read Strobe</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">26</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">GND</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrow.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrow.gif" alt="---" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Ground</font></td>
  </tr>
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    <td bgcolor="#C8C8FF"><font color="#0000FF">27</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">IORDY</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowl.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowl.gif" alt="&lt;--" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">I/O Ready</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">28</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">SPSYNC:CSEL</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">?</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Spindle Sync or Cable Select</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">29</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">/DMACK</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">?</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DMA Acknowledge</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">30</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">GND</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrow.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrow.gif" alt="---" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Ground</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">31</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">INTRQ</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowl.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowl.gif" alt="&lt;--" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Interrupt Request</font></td>
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  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">32</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">/IOCS16</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">?</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">IO ChipSelect 16</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">33</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DA1</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Address 1</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">34</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">PDIAG</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">?</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Passed Diagnostics</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">35</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DA0</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Address 0</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">36</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DA2</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Address 2</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">37</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">/IDE_CS0</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">(1F0-1F7)</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">38</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">/IDE_CS1</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">(3F6-3F7)</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">39</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">/ACTIVE</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Led driver</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">40</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">GND</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrow.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrow.gif" alt="---" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Ground</font></td>
  </tr>
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