fbs_fb4.htm

在ISE环境下用VHDL写的8*9FIFO

</td>
<td align="center" width="10%">MC9</td>
<td align="center" width="10%">聽</td>
<td align="center" width="10%">(b)</td>
<td align="center" width="10%">(b)</td>
<td align="center" width="10%">clk聽</td>
</tr>
<tr>
<td align="center" width="10%"><a href="Javascript:showEqn('fifo_1_1')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">fifo_1_1</a></td>
<td align="center" width="10%">3</td>
<td align="center" width="30%">聽<a href="Javascript:showPT('FB2_7','UCT4')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">UCT4</a>聽<a href="Javascript:showPT('FB4_27')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">27</a>聽<a href="Javascript:showPT('FB4_8')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">8</a>
</td>
<td align="center" width="10%">MC10</td>
<td align="center" width="10%">聽</td>
<td align="center" width="10%">(b)</td>
<td align="center" width="10%">(b)</td>
<td align="center" width="10%">clk聽</td>
</tr>
<tr>
<td align="center" width="10%"><a href="Javascript:showEqn('fifo_1_2')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">fifo_1_2</a></td>
<td align="center" width="10%">3</td>
<td align="center" width="30%">聽<a href="Javascript:showPT('FB2_7','UCT4')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">UCT4</a>聽<a href="Javascript:showPT('FB4_12')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">12</a>聽<a href="Javascript:showPT('FB4_27')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">27</a>
</td>
<td align="center" width="10%">MC11</td>
<td align="center" width="10%">47</td>
<td width="8%" align="center">I/O</td>
<td align="center" width="10%">(b)</td>
<td align="center" width="10%">clk聽</td>
</tr>
<tr>
<td align="center" width="10%"><a href="Javascript:showEqn('fifo_7_1')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">fifo_7_1</a></td>
<td align="center" width="10%">3</td>
<td align="center" width="30%">聽<a href="Javascript:showPT('FB2_7','UCT4')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">UCT4</a>聽<a href="Javascript:showPT('FB4_31')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">31</a>聽<a href="Javascript:showPT('FB4_8')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">8</a>
</td>
<td align="center" width="10%">MC12</td>
<td align="center" width="10%">48</td>
<td width="8%" align="center">I/O</td>
<td align="center" width="10%">(b)</td>
<td align="center" width="10%">clk聽</td>
</tr>
<tr>
<td align="center" width="10%"><a href="Javascript:showEqn('fifo_6_1')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">fifo_6_1</a></td>
<td align="center" width="10%">3</td>
<td align="center" width="30%">聽<a href="Javascript:showPT('FB2_7','UCT4')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">UCT4</a>聽<a href="Javascript:showPT('FB4_4')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">4</a>聽<a href="Javascript:showPT('FB4_8')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">8</a>
</td>
<td align="center" width="10%">MC13</td>
<td align="center" width="10%">49</td>
<td width="8%" align="center">I/O</td>
<td align="center" width="10%">(b)</td>
<td align="center" width="10%">clk聽</td>
</tr>
<tr>
<td align="center" width="10%"><a href="Javascript:showEqn('fifo_5_1')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">fifo_5_1</a></td>
<td align="center" width="10%">3</td>
<td align="center" width="30%">聽<a href="Javascript:showPT('FB2_7','UCT4')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">UCT4</a>聽<a href="Javascript:showPT('FB4_15')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">15</a>聽<a href="Javascript:showPT('FB4_8')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">8</a>
</td>
<td align="center" width="10%">MC14</td>
<td align="center" width="10%">50</td>
<td width="8%" align="center">I/O</td>
<td align="center" width="10%">(b)</td>
<td align="center" width="10%">clk聽</td>
</tr>
<tr>
<td align="center" width="10%"><a href="Javascript:showEqn('wrptr2_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">wrptr&lt;2&gt;</a></td>
<td align="center" width="10%">3</td>
<td align="center" width="30%">聽<a href="Javascript:showPT('FB2_7','UCT4')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">UCT4</a>聽<a href="Javascript:showPT('FB4_33')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">33</a>聽<a href="Javascript:showPT('FB4_36')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">36</a>
</td>
<td align="center" width="10%">MC15</td>
<td align="center" width="10%">聽</td>
<td align="center" width="10%">(b)</td>
<td align="center" width="10%">(b)</td>
<td align="center" width="10%">clk聽</td>
</tr>
<tr>
<td align="center" width="10%"><a href="Javascript:showEqn('wrptr1_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">wrptr&lt;1&gt;</a></td>
<td align="center" width="10%">3</td>
<td align="center" width="30%">聽<a href="Javascript:showPT('FB2_7','UCT4')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">UCT4</a>聽<a href="Javascript:showPT('FB4_11')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">11</a>聽<a href="Javascript:showPT('FB4_13')" onmouseover="window.status='show Pterm'; return true;" onmouseout="window.status=''">13</a>
</td>
<td align="center" width="10%">MC16</td>
<td align="center" width="10%">聽</td>
<td align="center" width="10%">(b)</td>
<td align="center" width="10%">(b)</td>
<td align="center" width="10%">clk聽</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>data_in&lt;1&gt;</li>
<li>data_in&lt;2&gt;</li>
<li><a href="Javascript:showEqn('fifo_0_8')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">fifo_0_8</a></li>
<li><a href="Javascript:showEqn('fifo_1_8')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">fifo_1_8</a></li>
<li><a href="Javascript:showEqn('fifo_2_8')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">fifo_2_8</a></li>
<li><a href="Javascript:showEqn('fifo_3_8')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">fifo_3_8</a></li>
<li><a href="Javascript:showEqn('fifo_4_8')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">fifo_4_8</a></li>
<li><a href="Javascript:showEqn('fifo_5_8')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">fifo_5_8</a></li>
<li><a href="Javascript:showEqn('fifo_6_8')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">fifo_6_8</a></li>
<li><a href="Javascript:showEqn('fifo_7_8')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">fifo_7_8</a></li>
<li><a href="Javascript:showEqn('rdptr0_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">rdptr&lt;0&gt;</a></li>
<li><a href="Javascript:showEqn('rdptr1_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">rdptr&lt;1&gt;</a></li>
<li><a href="Javascript:showEqn('rdptr2_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">rdptr&lt;2&gt;</a></li>
<li>wr</li>
<li>wrinc</li>
<li><a href="Javascript:showEqn('wrptr0_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">wrptr&lt;0&gt;</a></li>
<li><a href="Javascript:showEqn('wrptr1_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">wrptr&lt;1&gt;</a></li>
<li><a href="Javascript:showEqn('wrptr2_SPECSIG')" onmouseover="window.status='show Equation'; return true;" onmouseout="window.status=''">wrptr&lt;2&gt;</a></li>
<li>wrptrclr</li>
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