basic-nandflash-project.html
来自「Development tools for the AT91CAP9-DK.Ex」· HTML 代码 · 共 82 行
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<head>
<title>Atmel Corporation - Basic NandFlash 1.4</title>
<link rel="stylesheet" type="text/css" href="css/style.css" />
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<body>
<h1>Basic NandFlash Project 1.4</h1>
<div id="breadcrumb">
<a href="../index.html">Main</a> >
<a href="examples.html">Examples</a> >
NandFlash
</div>
<h2>Purpose</h2>
<p>
This example performs several operations on an external NandFlash chip connected to the External Bus Interface
(EBI) of the microcontroller.
</p>
<div class="requirements">
<h2>Hardware Requirements</h2>
<p>
This application requires one of the following Atmel evaluation kits to work properly:
<ul>
<li>AT91SAM7SE-EK</li>
<li>AT91SAM9260-EK</li>
<li>AT91SAM9261-EK</li>
<li>AT91SAM9263-EK</li>
<li>AT91SAM9RL-EK</li>
<li>AT91SAM9XE-EK</li>
<li>AT91SAM9G20-EK</li>
<li>AT91CAP9-DK</li>
<li>AT91CAP9-STK</li>
</ul>
</p>
</div>
<h2>Description</h2>
<p>
The program will first detect what type of NandFlash is connected on the bus. Then, each block of the device
is checked by being erased and written. Bad blocks are automatically detected and skipped by this algorithm.
</p>
<h2>Usage</h2>
<ol>
<li>
Build the program and download it inside the evaluation board. Please refer
to the <a href="http://www.atmel.com/dyn/resources/prod_documents/doc6132.pdf">SAM-BA User Guide</a>,
the <a href="http://www.atmel.com/dyn/resources/prod_documents/doc6310.pdf">GNU-Based Software Development</a>
application note or to the <a href="http://www.iar.se/website1/1.0.1.0/78/1/index.php?">IAR EWARM User Guide</a>,
depending on your chosen solution.
</li>
<li>
On the computer, open the DBGU port with a terminal application
(e.g. HyperTerminal on Microsoft Windows).
</li>
<ul>
<li>Settings: 115200 bauds, 8 bits, 1 stop bit, no parity, no flow control.</li>
</ul>
<li>
Start the application.
</li>
<li>
The program will output a startup message on the DBGU:
<blockquote>
<code>
-- Basic NandFlash Project 1.4 --</br >
</code>
</blockquote>
</li>
<li>
Tests will then be performed on each block; the status is displayed on the DBGU.
</li>
</ol>
<h6>Atmel Corporation ©2008</h6>
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