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<title>PCI bus</title>
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<p align="center"><font color="#0000FF" size="5"><strong><u>PCI总线定义</u></strong></font></p>

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    <td width="100%" align="center" height="21" 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">PCI 是 Peripheral Component Interconnect 的缩写</font></p>

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    <td width="100%" align="center" height="20" bgcolor="#C8C8FF"><font color="#000080">接口卡的外观</font></td>
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<pre><font color="#008080">PCI 标准 32位/64位 接口卡
 ----------------------------------------------------------------
|    PCI         元件侧 （B面）                                  |
|                                                                |
|                                                                |
|                                                                |
|    ____     32 位引脚部分                    64 位引脚部分  ___|
|___|    |||||||--|||||||||||||||||--|||||||--||||||||||||||
         ^     ^  ^               ^  ^     ^  ^            ^
       b01   b11  b14           b49  b52 b62  b63          b94</font></pre>

<pre><font color="#008080">PCI 5V 32/64位卡
|                                                optional        |
|    ____     32 位引脚部分                    64 位引脚部分  ___|
|___|    ||||||||||||||||||||||||||--|||||||--||||||||||||||</font></pre>

<pre><font color="#008080">PCI 3.3V 32/64位卡
|                                                optional        |
|    ____     32 位引脚部分                    64 位引脚部分  ___|
|___|    |||||||--||||||||||||||||||||||||||--||||||||||||||</font></pre>

<table border="0" width="100%" cellspacing="0" cellpadding="0" height="20">
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    <td width="100%" align="center" height="20" bgcolor="#C8C8FF"><font color="#000080">引脚定义</font></td>
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<p>　</p>

<table border="1" cellspacing="1">
  <tr>
    <th bgcolor="#0000FF"><font color="#FFFF00">Pin</font></th>
    <th bgcolor="#0000FF"><font color="#FFFF00">+5V</font></th>
    <th bgcolor="#0000FF"><font color="#FFFF00">+3.3V</font></th>
    <th bgcolor="#0000FF"><font color="#FFFF00">Universal</font></th>
    <th bgcolor="#0000FF"><font color="#FFFF00">Description</font></th>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A1</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">TRST</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Test Logic Reset</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A2</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">+12V</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">+12 VDC</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A3</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">TMS</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Test Mde Select</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A4</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">TDI</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Test Data Input</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A5</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">+5V</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">+5 VDC</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A6</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">INTA</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Interrupt A</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A7</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">INTC</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Interrupt C</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A8</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">+5V</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">+5 VDC</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A9</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">RESV01</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Reserved VDC</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A10</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">+5V</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">+3.3V</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Signal Rail</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">+V I/O (+5 V or +3.3 V)</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A11</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">RESV03</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Reserved VDC</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A12</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">GND03</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">(OPEN)</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">(OPEN)</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Ground or Open (Key)</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A13</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">GND05</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">(OPEN)</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">(OPEN)</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Ground or Open (Key)</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A14</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">RESV05</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Reserved VDC</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A15</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">RESET</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Reset</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A16</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">+5V</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">+3.3V</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Signal Rail</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">+V I/O (+5 V or +3.3 V)</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A17</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">GNT</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Grant PCI use</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A18</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">GND08</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Ground</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A19</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">RESV06</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Reserved VDC</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A20</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">AD30</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address/Data 30</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A21</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">+3.3V01</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">+3.3 VDC</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A22</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">AD28</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address/Data 28</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A23</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">AD26</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address/Data 26</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A24</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">GND10</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Ground</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A25</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">AD24</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address/Data 24</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A26</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">IDSEL</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Initialization Device Select</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A27</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">+3.3V03</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">+3.3 VDC</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A28</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">AD22</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address/Data 22</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A29</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">AD20</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address/Data 20</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A30</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">GND12</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Ground</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A31</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">AD18</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address/Data 18</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A32</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">AD16</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address/Data 16</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A33</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">+3.3V05</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">+3.3 VDC</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A34</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">FRAME</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address or Data phase</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A35</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">GND14</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Ground</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A36</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">TRDY</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Target Ready</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A37</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">GND15</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Ground</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A38</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">STOP</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Stop Transfer Cycle</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A39</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">+3.3V07</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">+3.3 VDC</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A40</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">SDONE</font></td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF"><font color="#008080">Snoop Done</font></td>
  </tr>
1234

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