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<title>AVRDUDE: 2.2 Programmers Accepting Exitspec Parameters</title>
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<a name="Programmers-Accepting-Exitspec-Parameter"></a>
<table cellpadding="1" cellspacing="1" border="0">
<tr><td valign="middle" align="left">[<a href="avrdude_4.html#Option-Descriptions" title="Previous section in reading order"> &lt; </a>]</td>
<td valign="middle" align="left">[<a href="avrdude_6.html#Programmers-Accepting-Extended-Parameters" title="Next section in reading order"> &gt; </a>]</td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left">[<a href="avrdude_3.html#Command-Line-Options" title="Beginning of this chapter or previous chapter"> &lt;&lt; </a>]</td>
<td valign="middle" align="left">[<a href="avrdude_3.html#Command-Line-Options" title="Up section"> Up </a>]</td>
<td valign="middle" align="left">[<a href="avrdude_8.html#Terminal-Mode-Operation" title="Next chapter"> &gt;&gt; </a>]</td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left">[<a href="avrdude.html#Top" title="Cover (top) of document">Top</a>]</td>
<td valign="middle" align="left">[<a href="avrdude_toc.html#SEC_Contents" title="Table of contents">Contents</a>]</td>
<td valign="middle" align="left">[<a href="avrdude_53.html#Index" title="Index">Index</a>]</td>
<td valign="middle" align="left">[<a href="avrdude_abt.html#SEC_About" title="About (help)"> ? </a>]</td>
</tr></table>
<hr size="1">
<a name="Programmers-Accepting-Exitspec-Parameters"></a>
<h2 class="section">2.2 Programmers Accepting Exitspec Parameters</h2>
<a name="index-Programmers-accepting-exitspec-parameters"></a>
<a name="index-FLIP-bootloader-1"></a>
<a name="index-Option-_002dx-flip2"></a>
<a name="index-_002dx-flip2"></a>
<a name="index-Option-_002dx-linuxspi"></a>
<a name="index-_002dx-linuxspi"></a>
<a name="index-Option-_002dx-linuxgpio"></a>
<a name="index-_002dx-linuxgpio"></a>
<a name="index-Option-_002dx-raspberry_005fpi_005fgpio"></a>
<a name="index-_002dx-raspberry_005fpi_005fgpio"></a>
<a name="index-Option-_002dx-parallel-port-programmers"></a>
<a name="index-_002dx-parallel-port-programmers"></a>
<p>Currently, the <code>flip2</code>, <code>linuxspi</code>, <code>linuxgpio</code>, <code>raspberry_pi_gpio</code>,
<code>pickit4_mplab</code>, <code>pickit5</code> and old-school parallel port programmers such
as <code>stk200</code> and <code>dapa</code> support &lsquo;<samp>-E</samp>&rsquo; exitspec parameter options.
These let the user decide in which state the programmer pins after ended
programming session. AVRDUDE only allows one &lsquo;<samp>-E</samp>&rsquo; option. However,
multiple exitspec parameters can be specified as one comma-separated list.
</p>
<dl compact="compact">
<dt> <code>flip2</code></dt>
<dt> <code>linuxspi</code></dt>
<dt> <code>linuxgpio</code></dt>
<dt> <code>raspberry_pi_gpio</code></dt>
<dt> <code>Parallel port programmers</code></dt>
<dd>
<dl compact="compact">
<dt> <code>help</code></dt>
<dd><p>Show help menu and exit.
</p>
<a name="index-Option-_002dE-reset"></a>
<a name="index-_002dE-reset"></a>
</dd>
<dt> <code>reset</code></dt>
<dd><p>The &lsquo;/RESET&rsquo; signal will be left activated at program exit, that is it
will be held low, in order to keep the MCU in reset state afterwards.
Note in particular that the programming algorithm for the AT90S1200
device mandates that the &lsquo;/RESET&rsquo; signal is active before powering up
the MCU, so in case an external power supply is used for this MCU type,
a previous invocation of AVRDUDE with this option specified is one of
the possible ways to guarantee this condition. <code>flip2</code> will not
exit bootloader mode at program exit if <code>reset</code> is used.
</p>
<a name="index-Option-_002dE-noreset"></a>
<a name="index-_002dE-noreset"></a>
</dd>
<dt> <code>noreset</code></dt>
<dd><p>The &lsquo;/RESET&rsquo; line will be deactivated at program exit, thus allowing the
MCU target program to run while the programming hardware remains
connected. <code>flip2</code> will exit bootloader mode at program exit and
start the application if <code>noreset</code> is used, and this is the default
behaviour for this bootloader.
</p></dd>
</dl>
<a name="index-Option-_002dx-parallel-port-programmers-1"></a>
<a name="index-_002dx-parallel-port-programmers-1"></a>
</dd>
<dt> <code>Parallel port programmers</code></dt>
<dd>
<dl compact="compact">
<dd><a name="index-Option-_002dE-vcc"></a>
<a name="index-_002dE-vcc"></a>
</dd>
<dt> <code>vcc</code></dt>
<dd><p>This option will leave those parallel port pins active (i. e. high) that
can be used to supply &lsquo;Vcc&rsquo; power to the MCU.
</p>
<a name="index-Option-_002dE-novcc"></a>
<a name="index-_002dE-novcc"></a>
</dd>
<dt> <code>novcc</code></dt>
<dd><p>This option will pull the &lsquo;Vcc&rsquo; pins of the parallel port down at
program exit.
</p>
<a name="index-Option-_002dE-d_005fhigh"></a>
<a name="index-_002dE-d_005fhigh"></a>
</dd>
<dt> <code>d_high</code></dt>
<dd><p>This option will leave the 8 data pins on the parallel port active
(i.e. high).
</p>
<a name="index-Option-_002dE-d_005flow"></a>
<a name="index-_002dE-d_005flow"></a>
</dd>
<dt> <code>d_low</code></dt>
<dd><p>This option will leave the 8 data pins on the parallel port inactive
(i.e. low).
</p></dd>
</dl>
<a name="index-Option-_002dx-pickit4_005fmplab_002c-pickit5"></a>
<a name="index-_002dx-pickit4_005fmplab_002c-pickit5"></a>
</dd>
<dt> <code>Pickit 4 (MPLAB)</code></dt>
<dt> <code>Pickit 5</code></dt>
<dd>
<dl compact="compact">
<dd><a name="index-Option-_002dE-vcc-1"></a>
<a name="index-_002dE-vcc-1"></a>
</dd>
<dt> <code>vcc</code></dt>
<dd><p>This option will leave the power supply from the programmer enabled after
avrdude finished the operation. Disabled by default.
</p>
</dd>
</dl>
</dd>
</dl>
<hr size="1">
<table cellpadding="1" cellspacing="1" border="0">
<tr><td valign="middle" align="left">[<a href="avrdude_4.html#Option-Descriptions" title="Previous section in reading order"> &lt; </a>]</td>
<td valign="middle" align="left">[<a href="avrdude_6.html#Programmers-Accepting-Extended-Parameters" title="Next section in reading order"> &gt; </a>]</td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left">[<a href="avrdude_3.html#Command-Line-Options" title="Beginning of this chapter or previous chapter"> &lt;&lt; </a>]</td>
<td valign="middle" align="left">[<a href="avrdude_3.html#Command-Line-Options" title="Up section"> Up </a>]</td>
<td valign="middle" align="left">[<a href="avrdude_8.html#Terminal-Mode-Operation" title="Next chapter"> &gt;&gt; </a>]</td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left">[<a href="avrdude.html#Top" title="Cover (top) of document">Top</a>]</td>
<td valign="middle" align="left">[<a href="avrdude_toc.html#SEC_Contents" title="Table of contents">Contents</a>]</td>
<td valign="middle" align="left">[<a href="avrdude_53.html#Index" title="Index">Index</a>]</td>
<td valign="middle" align="left">[<a href="avrdude_abt.html#SEC_About" title="About (help)"> ? </a>]</td>
</tr></table>
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