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<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link rel="stylesheet" type="text/css" href="/style.css" />
<title>VGA Signal 640 x 480 @ 60 Hz Industry standard timing</title>
</head>
<body>
<div id="container">
<div id="top">
<img src="/gfx/icon-chip-wht.gif" width=52 height=52> <span class="header">Tiny<span style="color:red">V</span><span style="color:#00ff00">G</span><span style="color:#8040ff">A</span>.com: VGA Microcontroller projects</span>
</div><!-- /top -->
<h1>VGA Signal 640 x 480 @ 60 Hz Industry standard timing</h1>
<p>
<div class="rightbox200">
<div class="whiteinfobox">
<a href="http://www.microvga.com/">
<img src="/images/monitorico.jpg" align=left />
Interested in easy to use VGA solution for embedded applications? Click here!</a><p>
</div>
</div>
<h2>General timing</h2><table border=1><tr><td>Screen refresh rate</td><td>60 Hz</td><tr><td>Vertical refresh</td><td>31.46875 kHz</td><tr><td>Pixel freq.</td><td>25.175 MHz</td></table><h2>Horizontal timing (line)</h2>Polarity of horizontal sync pulse is negative.<p><table border=1><tr><td>Scanline part</td><td>Pixels</td><td>Time [&micro;s]</td><tr><td>Visible area</td><td>640</td><td align=right>25.422045680238</td><tr><td>Front porch</td><td>16</td><td align=right>0.63555114200596</td><tr><td>Sync pulse</td><td>96</td><td align=right>3.8133068520357</td><tr><td>Back porch</td><td>48</td><td align=right>1.9066534260179</td><tr><td>Whole line</td><td>800</td><td align=right>31.777557100298</td></table><h2>Vertical timing (frame)</h2>Polarity of vertical sync pulse is negative.<p><table border=1><tr><td>Frame part</td><td>Lines</td><td>Time [ms]</td><tr><td>Visible area</td><td>480</td><td align=right>15.253227408143</td><tr><td>Front porch</td><td>10</td><td align=right>0.31777557100298</td><tr><td>Sync pulse</td><td>2</td><td align=right>0.063555114200596</td><tr><td>Back porch</td><td>33</td><td align=right>1.0486593843098</td><tr><td>Whole frame</td><td>525</td><td align=right>16.683217477656</td></table> <div id="navbar">
<ul>
<li><a href="http://www.microvga.com" style="background: #92002E;" rel="microvga">&micro;VGA.com</a></li>
<li><a href="/vga-timing" style="background: #1378aa;">VGA Timing</a></li>
<li><a href="/faq" style="background: #F7C41F;">FAQ</a></li>
<li><a href="/" style="background: #97C41F;">Home</a></li>
</ul>
</div><!-- /navbar -->
<div id="foot">
Copyright(c)2008 SECONS Ltd.
</div>
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</body>
</html>

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