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<head><title>OUTPUT</title>
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<h1 class="code">OUTPUT</h1>
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<p style="text-align: right;"><a href="../ExampleTopics/InputOutputEx.htm" target="" title="" alt="" class="MCXref_0">INPUT / OUTPUT Examples</a>
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<p class="PlainText">Syntax: <span class="keyword_in_text">OUTPUT</span> <![CDATA[ ]]><i>Pin</i></p>
<h2>Function</h2>
<p class="PlainText">Make the specified pin an output.
</p>
<ul>
<li value="1"><b><i>Pin</i></b> is a variable/constant/expression* (0 - 15) that specifies
which I/O pin to set to output mode</li>
</ul>
<p class="PlainText">*<img src="../../graphics/bs1note.gif" style="vertical-align: super;" /> Note: expressions are not allowed as arguments on the BS1. The range
of the <i>Pin</i> argument on the BS1 is 0–7.</p>
<h2>Quick Facts</h2>
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<td width="85%" align="center">BS1 and all BS2 models</td>
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<td align="center" bgcolor="#CFCFCF">Related Commands</td>
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<p align="center"><a href="INPUT.htm" target="" title="" alt="" class="MCXref_0">INPUT</a>, <a href="REVERSE.htm" target="" title="" alt="" class="MCXref_0">REVERSE</a></p>
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<h2>Explanation</h2>
<p class="PlainText">There are several ways to make a pin an output. Commands that rely on
output pins, like <span class="keyword_in_text">PULSOUT</span> and <span class="keyword_in_text">SEROUT</span>, automatically change the
specified pin to output. Writing 1s to particular bits of the variable DIRS
makes the corresponding pins outputs. And then there’s the <span class="keyword_in_text">OUTPUT</span>command.</p>
<p class="PlainText">When a pin is an output, your program can change its state by writing to
the corresponding bit in the OUTS variable (PINS on the BS1). For
example:
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OUTPUT 4
PIN4 = 1
</pre>
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</p><pre class="BScode" xml:space="preserve">
OUTPUT 4
OUT4 = 1
</pre>
<p class="PlainText">When your program changes a pin from input to output, whatever state happens to be in the corresponding bit of OUTS (PINS on the BS1) sets the initial state of the pin. To simultaneously make a pin an output and set its state use the <span class="keyword_in_text">HIGH</span> and <span class="keyword_in_text">LOW</span> commands.</p>
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<p style="text-align: right;">Copyright © <span class="ContactInfoCompanyName">Parallax Inc.</span></p>
<p style="text-align: right;"><span class="SystemShortDate">8/8/2012</span>
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