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<h2>Search results</h2><ol><li>
<h3>
  <a href="https://yaffs.net/documents/yaffs-tuning">Yaffs Tuning</a>
</h3>

  <p>…   
			  The number of bytes in the data area of the flash <strong>page</strong>. If inbandTags is not set then this whole area will be …  number of available bytes in the spare area of the flash <strong>page</strong>. This excludes space used by ECC, bad block markers …</p>
  <p><span lang="" about="/user/admin" typeof="schema:Person" property="schema:name" datatype="">Admin</span> - 27 Jun 2017 - 3:37am</p>
</li><li>
<h3>
  <a href="https://yaffs.net/yaffs-overview">Yaffs Overview</a>
</h3>

  <p>…  many flash geometries including 2K-Byte and 512-Byte <strong>page</strong> NAND flash chips  
  Supports MLC and SLC flash  
  …  of information about Yaffs available on this site. This <strong>page</strong> indexes that information and provides an overview of …  
  Yaffs is currently at version 2. Yaffs2 supports 2K-byte <strong>page</strong> flash as well as 512-byte <strong>page</strong> flash. (Yaffs1 only …</p>
  <p></p>
</li><li>
<h3>
  <a href="https://yaffs.net/features/memory-efficiency">Memory efficiency</a>
</h3>

  <p>…  per chunk of NAND flash, where a chunk is typically one <strong>page</strong> of NAND. For NAND with 512byte pages, a budget of …  RAM per 1Mbyte of NAND is usually sensible. And for 2kbyte <strong>page</strong> devices a budget of approximately 1kbyte per 1Mbyte of …</p>
  <p></p>
</li><li>
<h3>
  <a href="https://yaffs.net/yaffs-2-specification">Yaffs 2 Specification</a>
</h3>

  <p>…  2kB pages instead of 512-byte pages and strictly sequential <strong>page</strong> writing order.  
  To achieve this, a new design is …  which also realises the following benefits:  
  
  
  Zero <strong>page</strong> rewrites means faster operation. (Yaffs1 uses a single rewrite in the spare area to delete a <strong>page</strong>).  
   
  
  Ability to exploit simultaneous <strong>page</strong> …</p>
  <p></p>
</li><li>
<h3>
  <a href="https://yaffs.net/archives/state-nand-mtd-driver-start-project">State of NAND MTD driver at start of project</a>
</h3>

  <p>…  byte on the device even if we only need a few bytes per <strong>page</strong> for journaling headers and digest the contents. At say …  
   
  
  The journaling tags are stored in the 16-byte-per-<strong>page</strong> &quot;management space&quot;, semi-consistent with SmartMedia, …  journaling tags. ie something like:  
   
  
  20 bits of <strong>page</strong> id within inode  
   
  
  20 bits of inode id  
   
  …</p>
  <p></p>
</li><li>
<h3>
  <a href="https://yaffs.net/features/suitable-open-and-closed-source-projects">Suitable for open and closed source projects...</a>
</h3>

  <p>…  can get it straight away from the link on the right of the <strong>page</strong>.  

  Yaffs is also available under a Commercial …</p>
  <p></p>
</li><li>
<h3>
  <a href="https://yaffs.net/documents/faq">FAQ</a>
</h3>

  <p>…  32GB with the present 2k bytes granularity of &#039;chunks&#039; or <strong>page</strong> size, and the limit of about 16 million chunks per …</p>
  <p><span lang="" about="/user/admin" typeof="schema:Person" property="schema:name" datatype="">Admin</span> - 2 Jun 2017 - 1:56pm</p>
</li><li>
<h3>
  <a href="https://yaffs.net/documents/yaffs-robustness-and-testing">YAFFS Robustness and Testing</a>
</h3>

  <p>…  whole block must be erased and rewritten with the modified <strong>page</strong>. Typical FTL achieve this with various logical to …</p>
  <p><span lang="" about="/user/charles-manning" typeof="schema:Person" property="schema:name" datatype="">Charles Manning</span> - 7 Jun 2017 - 11:05pm</p>
</li><li>
<h3>
  <a href="https://yaffs.net/archives/yaffs-nand-specific-flash-file-system-introductory-article">YAFFS: the NAND-specific flash file system - Introductory Article</a>
</h3>

  <p>…   
   
  
  
   
   Access  
   
   
   Random  
   
   
   <strong>Page</strong> oriented with spare area on each <strong>page</strong>. Sequential access within a <strong>page</strong>.  
   
  
  
   
   Programmability  
   
   
   Can …</p>
  <p></p>
</li><li>
<h3>
  <a href="https://yaffs.net/archive/jffs2-and-nand-study">JFFS2 and NAND study</a>
</h3>

  <p>…     Structured as erasable blocks of 32x512-byte pages. Each <strong>page</strong> has 16-bytes of extra management data.  
     
   
   
 …  a 1 is to erase the entire erasable block.  
     
    
    <strong>Page</strong> or partial-<strong>page</strong> programming. A <strong>page</strong> may be programmed a maximum number …</p>
  <p></p>
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