📄 12-ecp.htm
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<title>ECP parallel</title>
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<p align="center"><strong><font color="#0000FF" size="5"><u>ECP 并行口定义</u></font></strong></p>
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<td width="100%" align="center" height="26" bgcolor="#FFC8AA"><font color="#000080">[ <a target="_self" href="hardware.htm" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware.htm">返回目录</a> ]</font></td>
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<p><font color="#008080">ECP 是 Extended Capabilities Port
的缩写，外观同并行口，是 25 针母插座：</font></p>
<p><img src="conn_dsub25f.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/conn_dsub25f.gif" alt="25 PIN D-SUB FEMALE" WIDTH="171" HEIGHT="65"></p>
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<td width="100%" align="center" height="24" bgcolor="#C8C8FF"><font color="#000080">引脚定义</font></td>
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<p> </p>
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<th bgcolor="#0000FF"><font color="#FFFF00">Pin</font></th>
<th bgcolor="#0000FF"><font color="#FFFF00">Name</font></th>
<th bgcolor="#0000FF"><font color="#FFFF00">Dir</font></th>
<th bgcolor="#0000FF"><font color="#FFFF00">Description</font></th>
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<td><font color="#0000FF">1</font></td>
<td><font color="#0000FF">nStrobe</font></td>
<td><font color="#0000FF"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="-->" WIDTH="32" HEIGHT="9"></font></td>
<td><font color="#0000FF">Strobe</font></td>
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<td><font color="#0000FF">2</font></td>
<td><font color="#0000FF">data0</font></td>
<td><font color="#0000FF"><img src="arrowlr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowlr.gif" alt="<->" WIDTH="32" HEIGHT="9"></font></td>
<td><font color="#0000FF">Address, Data or RLE Data Bit 0</font></td>
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<td><font color="#0000FF">3</font></td>
<td><font color="#0000FF">data1</font></td>
<td><font color="#0000FF"><img src="arrowlr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowlr.gif" alt="<->" WIDTH="32" HEIGHT="9"></font></td>
<td><font color="#0000FF">Address, Data or RLE Data Bit 1</font></td>
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<td><font color="#0000FF">4</font></td>
<td><font color="#0000FF">data2</font></td>
<td><font color="#0000FF"><img src="arrowlr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowlr.gif" alt="<->" WIDTH="32" HEIGHT="9"></font></td>
<td><font color="#0000FF">Address, Data or RLE Data Bit 2</font></td>
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<td><font color="#0000FF">5</font></td>
<td><font color="#0000FF">data3</font></td>
<td><font color="#0000FF"><img src="arrowlr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowlr.gif" alt="<->" WIDTH="32" HEIGHT="9"></font></td>
<td><font color="#0000FF">Address, Data or RLE Data Bit 3</font></td>
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<td><font color="#0000FF">6</font></td>
<td><font color="#0000FF">data4</font></td>
<td><font color="#0000FF"><img src="arrowlr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowlr.gif" alt="<->" WIDTH="32" HEIGHT="9"></font></td>
<td><font color="#0000FF">Address, Data or RLE Data Bit 4</font></td>
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<td><font color="#0000FF">7</font></td>
<td><font color="#0000FF">data5</font></td>
<td><font color="#0000FF"><img src="arrowlr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowlr.gif" alt="<->" WIDTH="32" HEIGHT="9"></font></td>
<td><font color="#0000FF">Address, Data or RLE Data Bit 5</font></td>
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<td><font color="#0000FF">8</font></td>
<td><font color="#0000FF">data6</font></td>
<td><font color="#0000FF"><img src="arrowlr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowlr.gif" alt="<->" WIDTH="32" HEIGHT="9"></font></td>
<td><font color="#0000FF">Address, Data or RLE Data Bit 6</font></td>
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<td><font color="#0000FF">9</font></td>
<td><font color="#0000FF">data7</font></td>
<td><font color="#0000FF"><img src="arrowlr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowlr.gif" alt="<->" WIDTH="32" HEIGHT="9"></font></td>
<td><font color="#0000FF">Address, Data or RLE Data Bit 7</font></td>
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<td><font color="#0000FF">10</font></td>
<td><font color="#0000FF">/nAck</font></td>
<td><font color="#0000FF"><img src="arrowl.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowl.gif" alt="<--" WIDTH="32" HEIGHT="9"></font></td>
<td><font color="#0000FF">Acknowledge</font></td>
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<td><font color="#0000FF">11</font></td>
<td><font color="#0000FF">Busy</font></td>
<td><font color="#0000FF"><img src="arrowl.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowl.gif" alt="<--" WIDTH="32" HEIGHT="9"></font></td>
<td><font color="#0000FF">Busy</font></td>
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<td><font color="#0000FF">12</font></td>
<td><font color="#0000FF">PError</font></td>
<td><font color="#0000FF"><img src="arrowl.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowl.gif" alt="<--" WIDTH="32" HEIGHT="9"></font></td>
<td><font color="#0000FF">Paper End</font></td>
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<td><font color="#0000FF">13</font></td>
<td><font color="#0000FF">Select</font></td>
<td><font color="#0000FF"><img src="arrowl.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowl.gif" alt="<--" WIDTH="32" HEIGHT="9"></font></td>
<td><font color="#0000FF">Select</font></td>
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<td><font color="#0000FF">14</font></td>
<td><font color="#0000FF">/nAutoFd</font></td>
<td><font color="#0000FF"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="-->" WIDTH="32" HEIGHT="9"></font></td>
<td><font color="#0000FF">Autofeed</font></td>
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<td><font color="#0000FF">15</font></td>
<td><font color="#0000FF">/nFault</font></td>
<td><font color="#0000FF"><img src="arrowl.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowl.gif" alt="<--" WIDTH="32" HEIGHT="9"></font></td>
<td><font color="#0000FF">Error</font></td>
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<td><font color="#0000FF">16</font></td>
<td><font color="#0000FF">/nInit</font></td>
<td><font color="#0000FF"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="-->" WIDTH="32" HEIGHT="9"></font></td>
<td><font color="#0000FF">Initialize</font></td>
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<td><font color="#0000FF">17</font></td>
<td><font color="#0000FF">/nSelectIn</font></td>
<td><font color="#0000FF"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="-->" WIDTH="32" HEIGHT="9"></font></td>
<td><font color="#0000FF">Select In</font></td>
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<td><font color="#0000FF">18</font></td>
<td><font color="#0000FF">GND</font></td>
<td><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><font color="#0000FF">Signal Ground</font></td>
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<td><font color="#0000FF">19</font></td>
<td><font color="#0000FF">GND</font></td>
<td><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><font color="#0000FF">Signal Ground</font></td>
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<td><font color="#0000FF">20</font></td>
<td><font color="#0000FF">GND</font></td>
<td><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><font color="#0000FF">Signal Ground</font></td>
</tr>
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<td><font color="#0000FF">21</font></td>
<td><font color="#0000FF">GND</font></td>
<td><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><font color="#0000FF">Signal Ground</font></td>
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<td><font color="#0000FF">22</font></td>
<td><font color="#0000FF">GND</font></td>
<td><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><font color="#0000FF">Signal Ground</font></td>
</tr>
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<td><font color="#0000FF">23</font></td>
<td><font color="#0000FF">GND</font></td>
<td><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><font color="#0000FF">Signal Ground</font></td>
</tr>
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<td><font color="#0000FF">24</font></td>
<td><font color="#0000FF">GND</font></td>
<td><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><font color="#0000FF">Signal Ground</font></td>
</tr>
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<td><font color="#0000FF">25</font></td>
<td><font color="#0000FF">GND</font></td>
<td><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><font color="#0000FF">Signal Ground</font></td>
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