 as sudden blackout, incorrect media removal and unrecoverable disk error, the FAT structure on the volume can be broken. Following images shows the critical section of the FatFs module.</p>
<div class="lset">
Figure 4. Long critical section<br>
<img src="../res/f4.png" width="320" height="436" alt="fig.4">
</div>
<div class="lset">
Figure 5. Minimized critical section<br>
<img src="../res/f5.png" width="320" height="436" alt="fig.5">
</div>
<br class="clr">
<p>An interruption in the red section can cause a