📄 00674.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN">
<html>
<head>
<title>A.7.4 Specify path delays</title>
<meta http-equiv="Content-Type" content="text/html; charset=GB2312" />
<meta name="generator" content="Doc-O-Matic" />
<meta http-equiv="Content-Style-Type" content="text/css" />
<link rel="STYLESHEET" href="default.css" type="text/css" />
<script type="text/javascript" src="scripts.js"></script>
</head>
<body class="Element700" onload="onBodyLoadEx('systemverilog31a.html', 'topic', '00674.html');" onmousedown="onBodyMouseDown();">
<!-- Begin Popups -->
<div class="Element801" id="popup00704">
<div class="Element800">
<div class="Element14">
链接</div>
<div class="Element11">
<div class="Element10">
<a href="00670.html" target="topic">A.7 Specify section</a></div>
</div>
</div>
</div>
<!-- End Popups -->
<!-- Begin Page Header -->
<div class="Element710" id="areafixed">
<div class="Element92">
<table width="100%" cellspacing="0" cellpadding="0">
<tr><td width="33%">
<div class="Element1">
<a href="#" onmousedown="showPopup(this, 'popup00704');"><img src="seealsolink.png" border="0" alt="" title=""></a> SystemVerilog 3.1a语言参考手册</div>
</td><td width="34%">
<div class="Element2">
</div>
</td><td width="33%">
<div class="Element90">
<a href="00673.html" target="topic"><img src="btn_prev_lightblue.gif" border="0" alt="Previous" title="Previous" onmouseover="switchImage(this, 'btn_prev_lightblue_hover.gif');" onmouseout="switchImage(this, 'btn_prev_lightblue.gif');"></a><a href="00670.html" target="topic"><img src="btn_up_lightblue.gif" border="0" alt="Up" title="Up" onmouseover="switchImage(this, 'btn_up_lightblue_hover.gif');" onmouseout="switchImage(this, 'btn_up_lightblue.gif');"></a><a href="00675.html" target="topic"><img src="btn_next_lightblue.gif" border="0" alt="Next" title="Next" onmouseover="switchImage(this, 'btn_next_lightblue_hover.gif');" onmouseout="switchImage(this, 'btn_next_lightblue.gif');"></a></div>
</td></tr></table><div class="Element5">
A.7.4 Specify path delays</div>
</div>
</div>
<!-- End Page Header -->
<!-- Begin Client Area -->
<div class="Element720" id="areascroll">
<div class="Element721">
<!-- Begin Page Content -->
<div class="Element58">
<a name="描述"></a><div class="Element11">
<div class="Element10">
<p class="Element10">
path_delay_value ::= </p>
<p class="Element10">
list_of_path_delay_expressions </p>
<p class="Element10">
| ( list_of_path_delay_expressions ) </p>
<p class="Element10">
list_of_path_delay_expressions ::= </p>
<p class="Element10">
t_path_delay_expression </p>
<p class="Element10">
| trise_path_delay_expression , tfall_path_delay_expression </p>
<p class="Element10">
| trise_path_delay_expression , tfall_path_delay_expression , tz_path_delay_expression </p>
<p class="Element10">
| t01_path_delay_expression , t10_path_delay_expression , t0z_path_delay_expression , </p>
<p class="Element10">
tz1_path_delay_expression , t1z_path_delay_expression , tz0_path_delay_expression </p>
<p class="Element10">
| t01_path_delay_expression , t10_path_delay_expression , t0z_path_delay_expression , </p>
<p class="Element10">
tz1_path_delay_expression , t1z_path_delay_expression , tz0_path_delay_expression , </p>
<p class="Element10">
t0x_path_delay_expression , tx1_path_delay_expression , t1x_path_delay_expression , </p>
<p class="Element10">
tx0_path_delay_expression , txz_path_delay_expression , tzx_path_delay_expression </p>
<p class="Element10">
t_path_delay_expression ::= path_delay_expression </p>
<p class="Element10">
trise_path_delay_expression ::= path_delay_expression </p>
<p class="Element10">
tfall_path_delay_expression ::= path_delay_expression </p>
<p class="Element10">
tz_path_delay_expression ::= path_delay_expression </p>
<p class="Element10">
t01_path_delay_expression ::= path_delay_expression </p>
<p class="Element10">
t10_path_delay_expression ::= path_delay_expression </p>
<p class="Element10">
t0z_path_delay_expression ::= path_delay_expression </p>
<p class="Element10">
tz1_path_delay_expression ::= path_delay_expression </p>
<p class="Element10">
t1z_path_delay_expression ::= path_delay_expression </p>
<p class="Element10">
tz0_path_delay_expression ::= path_delay_expression </p>
<p class="Element10">
t0x_path_delay_expression ::= path_delay_expression </p>
<p class="Element10">
tx1_path_delay_expression ::= path_delay_expression </p>
<p class="Element10">
t1x_path_delay_expression ::= path_delay_expression </p>
<p class="Element10">
tx0_path_delay_expression ::= path_delay_expression </p>
<p class="Element10">
txz_path_delay_expression ::= path_delay_expression </p>
<p class="Element10">
tzx_path_delay_expression ::= path_delay_expression </p>
<p class="Element10">
path_delay_expression ::= constant_mintypmax_expression </p>
<p class="Element10">
edge_sensitive_path_declaration ::= </p>
<p class="Element10">
parallel_edge_sensitive_path_description = path_delay_value </p>
<p class="Element10">
| full_edge_sensitive_path_description = path_delay_value </p>
<p class="Element10">
parallel_edge_sensitive_path_description ::= </p>
<p class="Element10">
( [ edge_identifier ] specify_input_terminal_descriptor => </p>
<p class="Element10">
( specify_output_terminal_descriptor [ polarity_operator ] : data_source_expression ) ) </p>
<p class="Element10">
full_edge_sensitive_path_description ::= </p>
<p class="Element10">
( [ edge_identifier ] list_of_path_inputs *> </p>
<p class="Element10">
( list_of_path_outputs [ polarity_operator ] : data_source_expression ) ) </p>
<p class="Element10">
data_source_expression ::= expression </p>
<p class="Element10">
edge_identifier ::= posedge | negedge </p>
<p class="Element10">
state_dependent_path_declaration ::= </p>
<p class="Element10">
if ( module_path_expression ) simple_path_declaration </p>
<p class="Element10">
| if ( module_path_expression ) edge_sensitive_path_declaration </p>
<p class="Element10">
| ifnone simple_path_declaration </p>
<p class="Element10">
polarity_operator ::= + | </p></div>
</div>
<a name="Group"></a><div class="Element14">
<a onclick="toggleVisibilityStored('Group');" class="a_Element14"><img src="sectionminus.png" border="0" alt="" title="" id="imgGroup">Group</a></div>
<div id="divGroup">
<div class="Element11">
<div class="Element10">
<p class="Element10">
<a href="00670.html" target="topic">A.7 Specify section</a></p></div>
</div>
</div>
<a name="Links"></a><div class="Element14">
<a onclick="toggleVisibilityStored('链接');" class="a_Element14"><img src="sectionminus.png" border="0" alt="" title="" id="img链接">链接</a></div>
<div id="div链接">
<div class="Element11">
<div class="Element10">
<a href="00670.html" target="topic">A.7 Specify section</a></div>
</div>
</div>
</div>
<!-- End Page Content -->
<!-- Begin Page Footer -->
<hr width="98%" align="center" size="1" color="#CCCCCC" />
<table align="center" cellpadding="0" cellspacing="0" border="0">
<tbody>
<tr height="10">
<td></td>
</tr>
<tr align="center">
<td>
<script type="text/javascript"><!--
google_ad_client = "pub-5266859600380184";
google_ad_width = 468;
google_ad_height = 60;
google_ad_format = "468x60_as";
google_ad_type = "text_image";
google_ad_channel ="";
google_page_url = document.location;
//--></script>
<script type="text/javascript"
src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script>
</td>
</tr>
<tr height="15">
<td></td>
</tr>
<tr align="center">
<td>
<font size=2>除非特别声明,原文版权归作者所有,如有转摘请注明原作者以及译者(<a href="http://www.fpgatech.net/" target="_blank">FPGA技术网</a>)信息。<br />
如果您对本主题有何建议或意见,请登陆<a href="http://www.fpgatech.net/forum/forumdisplay.php?fid=18" target="_blank">FPGA开发者家园</a>提交,您的参与是我们前进的动力。</font>
<script language="javascript" type="text/javascript" src="http://js.users.51.la/195685.js"></script>
<noscript><a href="http://www.51.la/?195685" target="_blank"><img alt="我要啦免费统计" src="http://img.users.51.la/195685.asp" style="border:none" /></a></noscript>
</td>
</tr>
</tbody>
</table>
<!-- End Page Footer -->
</div>
</div>
<!-- End Client Area -->
</body></html>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -