fbs_fb2.htm

vhdl经典源代码——时钟设计

<td width="8%" align="center">I/O</td>
<td align="center" width="10%">(b)</td>
</tr>
<tr>
<td align="center" width="10%"><a href="Javascript:showEqn('XLXN_262_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_26&lt;2&gt;</a></td>
<td align="center" width="10%">3</td>
<td align="center" width="30%">聽<a href="Javascript:showPT('FB2_11_1')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">11_1</a>聽<a href="Javascript:showPT('FB2_11_2')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">11_2</a>聽<a href="Javascript:showPT('FB2_11_3')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">11_3</a>
</td>
<td align="center" width="10%">MC11</td>
<td align="center" width="10%">STD</td>
<td align="center" width="10%">9</td>
<td width="8%" align="center">I/O</td>
<td align="center" width="10%">(b)</td>
</tr>
<tr>
<td align="center" width="10%"><a href="Javascript:showEqn('XLXN_290_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_29&lt;0&gt;</a></td>
<td align="center" width="10%">3</td>
<td align="center" width="30%">聽<a href="Javascript:showPT('FB2_12_1')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">12_1</a>聽<a href="Javascript:showPT('FB2_12_2')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">12_2</a>聽<a href="Javascript:showPT('FB2_12_3')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">12_3</a>聽<a href="Javascript:showPT('VCC')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''"></a>
</td>
<td align="center" width="10%">MC12</td>
<td align="center" width="10%">STD</td>
<td align="center" width="10%">10</td>
<td width="8%" align="center">I/O</td>
<td align="center" width="10%">(b)</td>
</tr>
<tr>
<td align="center" width="10%"><a href="Javascript:showEqn('XLXI_6cnt0_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXI_6/cnt&lt;0&gt;</a></td>
<td align="center" width="10%">2</td>
<td align="center" width="30%">聽<a href="Javascript:showPT('FB2_13_1')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">13_1</a>聽<a href="Javascript:showPT('FB2_13_2')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">13_2</a>聽<a href="Javascript:showPT('VCC')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''"></a>
</td>
<td align="center" width="10%">MC13</td>
<td align="center" width="10%">STD</td>
<td align="center" width="10%">12</td>
<td width="8%" align="center">I/O</td>
<td align="center" width="10%">(b)</td>
</tr>
<tr>
<td align="center" width="10%"><a href="Javascript:showEqn('XLXN_190_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_19&lt;0&gt;</a></td>
<td align="center" width="10%">2</td>
<td align="center" width="30%">聽<a href="Javascript:showPT('FB2_14_1')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">14_1</a>聽<a href="Javascript:showPT('FB2_14_2')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">14_2</a>聽<a href="Javascript:showPT('VCC')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''"></a>
</td>
<td align="center" width="10%">MC14</td>
<td align="center" width="10%">STD</td>
<td align="center" width="10%">11</td>
<td width="8%" align="center">I/O</td>
<td align="center" width="10%">(b)</td>
</tr>
<tr>
<td align="center" width="10%">(unused)</td>
<td align="center" width="10%">0</td>
<td align="center" width="30%">聽</td>
<td align="center" width="10%">MC15</td>
<td align="center" width="10%">聽</td>
<td align="center" width="10%">13</td>
<td width="8%" align="center">I/O</td>
<td align="center" width="10%">聽</td>
</tr>
<tr>
<td align="center" width="10%">(unused)</td>
<td align="center" width="10%">0</td>
<td align="center" width="30%">聽</td>
<td align="center" width="10%">MC16</td>
<td align="center" width="10%">聽</td>
<td align="center" width="10%">14</td>
<td width="8%" align="center">I/O</td>
<td align="center" width="10%">聽</td>
</tr>
<tr>
<td align="center" width="10%">(unused)</td>
<td align="center" width="10%">0</td>
<td align="center" width="30%">聽</td>
<td align="center" width="10%">MC17</td>
<td align="center" width="10%">聽</td>
<td align="center" width="10%">15</td>
<td width="8%" align="center">I/O</td>
<td align="center" width="10%">(b)</td>
</tr>
<tr>
<td align="center" width="10%"><a href="Javascript:showEqn('XLXN_130_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_13&lt;0&gt;</a></td>
<td align="center" width="10%">8</td>
<td align="center" width="30%">聽<a href="Javascript:showPT('FB2_17_1')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">17_1</a>聽<a href="Javascript:showPT('FB2_17_2')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">17_2</a>聽<a href="Javascript:showPT('FB2_17_3')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">17_3</a>聽<a href="Javascript:showPT('FB2_18_1')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">18_1</a>聽<a href="Javascript:showPT('FB2_18_2')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">18_2</a>聽<a href="Javascript:showPT('FB2_18_3')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">18_3</a>聽<a href="Javascript:showPT('FB2_18_4')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">18_4</a>聽<a href="Javascript:showPT('FB2_18_5')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">18_5</a>
</td>
<td align="center" width="10%">MC18</td>
<td align="center" width="10%">STD</td>
<td align="center" width="10%">聽</td>
<td align="center" width="10%">(b)</td>
<td align="center" width="10%">(b)</td>
</tr>
</table></span></div>
<div id="tipBox"></div>
<br><span id="fbsiguse" class="pgRef"><b>Signals Used By Logic in Function Block</b><br><ol>
<li><a href="Javascript:showEqn('XLXI_6cnt0_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXI_6/cnt&lt;0&gt;</a></li>
<li><a href="Javascript:showEqn('XLXI_6cnt1_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXI_6/cnt&lt;1&gt;</a></li>
<li><a href="Javascript:showEqn('XLXI_6cnt2_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXI_6/cnt&lt;2&gt;</a></li>
<li><a href="Javascript:showEqn('XLXN_10')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_10</a></li>
<li><a href="Javascript:showEqn('XLXN_190_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_19&lt;0&gt;</a></li>
<li><a href="Javascript:showEqn('XLXN_191_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_19&lt;1&gt;</a></li>
<li><a href="Javascript:showEqn('XLXN_192_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_19&lt;2&gt;</a></li>
<li><a href="Javascript:showEqn('XLXN_193_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_19&lt;3&gt;</a></li>
<li><a href="Javascript:showEqn('XLXN_200_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_20&lt;0&gt;</a></li>
<li><a href="Javascript:showEqn('XLXN_201_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_20&lt;1&gt;</a></li>
<li><a href="Javascript:showEqn('XLXN_202_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_20&lt;2&gt;</a></li>
<li><a href="Javascript:showEqn('XLXN_203_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_20&lt;3&gt;</a></li>
<li><a href="Javascript:showEqn('XLXN_220_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_22&lt;0&gt;</a></li>
<li><a href="Javascript:showEqn('XLXN_221_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_22&lt;1&gt;</a></li>
<li><a href="Javascript:showEqn('XLXN_222_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_22&lt;2&gt;</a></li>
<li><a href="Javascript:showEqn('XLXN_240_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_24&lt;0&gt;</a></li>
<li><a href="Javascript:showEqn('XLXN_241_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_24&lt;1&gt;</a></li>
<li><a href="Javascript:showEqn('XLXN_242_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_24&lt;2&gt;</a></li>
<li><a href="Javascript:showEqn('XLXN_260_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_26&lt;0&gt;</a></li>
<li><a href="Javascript:showEqn('XLXN_261_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_26&lt;1&gt;</a></li>
<li><a href="Javascript:showEqn('XLXN_262_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_26&lt;2&gt;</a></li>
<li><a href="Javascript:showEqn('XLXN_263_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_26&lt;3&gt;</a></li>
<li><a href="Javascript:showEqn('XLXN_290_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_29&lt;0&gt;</a></li>
<li><a href="Javascript:showEqn('XLXN_291_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_29&lt;1&gt;</a></li>
<li><a href="Javascript:showEqn('XLXN_292_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_29&lt;2&gt;</a></li>
<li><a href="Javascript:showEqn('XLXN_6')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_6</a></li>
<li><a href="Javascript:showEqn('XLXN_7')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">XLXN_7</a></li>
<li>rst</li>
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