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📄 03-vesa.htm

📁 关于单片机接口技术的文档
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<title>VESA bus</title>
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<body bgcolor="#FFFFFF" background="back01.jpg" tppabs="http://linux.ustc.edu.cn/~xjiang/images/back01.jpg">
<p align="center"><font color="#0000FF" size="5"><u>VESA总线定义</u></font></p>

<table border="0" width="100%" cellspacing="1" cellpadding="0" height="1">
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    <td width="100%" align="center" height="20" 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>
  </tr>
</table>

<p><font color="#008080">&nbsp;&nbsp;&nbsp; VESA 是 Video Electronics Standards 
Association 
的缩写，本页列出的是扩展部分的引脚定义，非扩展部分请见 ISA 
总线的定义。</font></p>

<table border="0" width="100%" cellspacing="0" cellpadding="0" height="24">
  <tr>
    <td width="100%" align="center" height="24" bgcolor="#C8C8FF"><font color="#000080">接口卡的外观</font></td>
  </tr>
</table>

<p><img src="conn_busvlbm.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/conn_busvlbm.gif" alt="58 PIN EDGE CONNECTOR MALE" WIDTH="562" HEIGHT="246"><br>
</p>

<table border="0" width="100%" cellspacing="0" cellpadding="0" height="24">
  <tr>
    <td width="100%" align="center" height="24" bgcolor="#C8C8FF"><font color="#000080">插槽的外观</font></td>
  </tr>
</table>

<p><img src="conn_busvlbf.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/conn_busvlbf.gif" alt="58 PIN EDGE CONNECTOR FEMALE" WIDTH="472" HEIGHT="65"></p>

<table border="0" width="100%" cellspacing="0" cellpadding="0" height="24">
  <tr>
    <td width="100%" align="center" height="24" bgcolor="#C8C8FF"><font color="#000080">引脚定义</font></td>
  </tr>
</table>

<p>　</p>

<table border="1" cellspacing="1">
  <tr>
    <th bgcolor="#0000FF"><font color="#FFFF00">Pin</font></th>
    <th bgcolor="#0000FF"><font color="#FFFF00">Name</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">D1</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Data 1</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A2</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">D3</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Data 3</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A3</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">GND</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Ground</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A4</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">D5</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Data 5</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A5</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">D7</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Data 7</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A6</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">D9</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Data 9</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A7</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">D11</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Data 11</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A8</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">D13</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Data 13</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A9</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">D15</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Data 15</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A10</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">GND</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Ground</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A11</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">D17</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Data 17</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A12</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Vcc</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">+5 VDC</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A13</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">D19</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Data 19</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A14</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">D21</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Data 21</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A15</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">D23</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Data 23</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A16</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">D25</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Data 25</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A17</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">GND</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Ground</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A18</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">D27</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Data 27</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A19</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">D29</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Data 2</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A20</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">D31</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Data 31</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A21</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">A30</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address 30</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A22</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">A28</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address 28</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A23</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">A26</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address 26</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A24</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">GND</font></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">A24</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address 24</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A26</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">A22</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address 22</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A27</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">VCC</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">+5 VDC</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A28</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">A20</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address 20</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A29</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">A18</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address 18</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A30</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">A16</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address 16</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A31</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">A14</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address 14</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A32</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">A12</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address 12</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A33</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">A10</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address 10</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A34</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">A8</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address 8</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A35</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">GND</font></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">A6</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address 6</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A37</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">A4</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address 4</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A38</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">WBACK#</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Write Back</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A39</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">BE0#</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Byte Enable 0</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A40</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">VCC</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">+5 VDC</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A41</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">BE1#</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Byte Enable 1</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A42</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">BE2#</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Byte Enable 2</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A43</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">GND</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Ground</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A44</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">BE3#</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Byte Enable 3</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A45</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">ADS#</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Address Strobe</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
    <td bgcolor="#C8C8FF">　</td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A48</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">LRDY#</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Local Ready</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A49</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">LDEV</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Local Device</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A50</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">LREQ</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Local Request</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A51</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">GND</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Ground</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A52</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">LGNT</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">Local Grant</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#008080">A53</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">VCC</font></td>
    <td bgcolor="#C8C8FF"><font color="#008080">+5 VDC</font></td>
  </tr>
12

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