01-isa.htm

来自「关于单片机接口技术的文档」· HTM 代码 · 共 752 行 · 第 1/4 页

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    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A12</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">Address 
    bit 12</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A20</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A11</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">Address 
    bit 11</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A21</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A10</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">Address 
    bit 10</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A22</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A9</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">Address 
    bit 9</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A23</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A8</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">Address 
    bit 8</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A24</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A7</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">Address 
    bit 7</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A25</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A6</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">Address 
    bit 6</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A26</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A5</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">Address 
    bit 5</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A27</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A4</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">Address 
    bit 4</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A28</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A3</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">Address 
    bit 3</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A29</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A2</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">Address 
    bit 2</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A30</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A1</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">Address 
    bit 1</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A31</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">A0</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">Address 
    bit 0</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">B1</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">GND</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF">　</td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">Ground</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">B2</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">RESET</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">Active 
    high to reset or initialize system logic</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">B3</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">+5V</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF">　</td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">+5 
    VDC</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">B4</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">IRQ2</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080"><img src="arrowl.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowl.gif" alt="&lt;--" WIDTH="32" HEIGHT="9"></font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">Interrupt 
    Request 2</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">B5</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">-5VDC</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF">　</td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">-5 
    VDC</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">B6</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">DRQ2</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080"><img src="arrowl.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowl.gif" alt="&lt;--" WIDTH="32" HEIGHT="9"></font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">DMA 
    Request 2</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">B7</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">-12VDC</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF">　</td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">-12 
    VDC</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">B8</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">/NOWS</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080"><img src="arrowl.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowl.gif" alt="&lt;--" WIDTH="32" HEIGHT="9"></font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">No 
    WaitState</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">B9</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">+12VDC</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF">　</td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">+12 
    VDC</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">B10</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">GND</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF">　</td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">Ground</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">B11</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">/SMEMW</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">System 
    Memory Write</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">B12</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">/SMEMR</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">System 
    Memory Read</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">B13</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">/IOW</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">I/O 
    Write</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">B14</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">/IOR</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">I/O 
    Read</font></td>
  </tr>
  <tr>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">B15</font></td>
    <td style="background-color: rgb(200,200,255)" bgcolor="#C8C8FF"><font color="#008080">/DACK3</font></td>
1234

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