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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> <title>DACU access</title> <link href="doxygen.css" rel="stylesheet" type="text/css"> </head><body> <!-- Generated by Doxygen 1.2.16 --> <center> <a class="qindex" href="main.html">Main Page</a> <a class="qindex" href="modules.html">Modules</a> <a class="qindex" href="pages.html">Related Pages</a> </center> <hr><h1>DACU access<br> <small> [<a class="el" href="group__pavr__pipeline.html">Pipeline details</a>]</small> </h1><table border=0 cellpadding=0 cellspacing=0> </table> <dl compact><dt><b> A few details</b><dd> The Data Address Calculation Unit (DACU) handles the Unified Memory, by mapping Unified Memory addresses into Register File, IO File or Data Memory addresses. <br> It also transparently places access requests to RF, IOF or DM, as response to UM access requests. <br> More details on DACU requests can be found <a class="el" href="group__pavr__hwres__dacu.html">here</a>. <br> </dl><dl compact><dt><b> Plugging the DACU into the pipeline</b><dd> <br> <div align="center"> <img src="pavr_pipe_dacu_01.gif" alt="pavr_pipe_dacu_01.gif"> </div> <br> </dl><hr><address align="right"><small>Generated on Tue Dec 31 20:26:31 2002 for Pipelined AVR microcontroller by <a href="http://www.doxygen.org/index.html"> <img src="doxygen.png" alt="doxygen" align="middle" border=0 width=110 height=53></a>1.2.16 </small></address> </body> </html>