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<!--# set var="title" value="WISHBONE DMA/Bridge IP Core" --> <!--# include virtual="/ssi/ssi_start.shtml" --> <b><font face="Helvetica, Arial"><font color="#BF0000"><font size=+2>Project Name: WISHBONE DMA/Bridge IP Core</font></font></font></b> <p><font size=-1>(See change Log at bottom of page for changes/updates)</font> <br> <p><u><font size=+1>Description</font></u> <p>This is a simple DMA/Bridge IP core. It has two WISHBONE interface. It can perform DMA transfers between the two interfaces or on the same interfaces. <p>Some of the main features are: <ul> <li>Up to 31 DMA Channels</li> <li>2, 4 or 8 priority levels</li> <li>Linked List Descriptors support</li> <li>Circular Buffer support</li> <li>FIFO buffer support</li> <li>Software & Hardware handshake support</li> <li>Automatic Cannel registers Reload support</li> <li>Fully configurable</li> </ul> <p>Please see the spec for more details ! <p><u><font size=+1>Status</font></u> <ul> <li>10/19/2001 Made the core parametarized - No more editing of the wb_dma_defines.v file, just pass the configuration as parameters when you instantiate the core ! </li> <li>8/2/2001 Added another feature: Now you can backoff to the beginning of the current transfers (this is useful for things like Etherenet, where you might have to restart in case of collisions or errors).</li> <li>New Directory Structure ! We have agreed on a common directory structure at OpenCores.</li> <li><font color="#FF0000">PLEASE HELP</font>: I'm looking for people to help me verify the core. Even though I have written a test bench (and checked it in) I would like for somebody else to verify the core as well.</li> <li> I will post a message to cores@opencores.org_NOSPAM each time I have an update </li> </ul> <p><u><font size="+1">Downloading</font></u> <p>To get a tared and gziped snapshot from CVS click <a href="http://www.opencores.org/cgi-bin/cvsget.cgi?module=wb_dma">here</a>, or go to the <a href="http://www.opencores.org/cvs.shtml">CVS info page</a>.</p> <p>The Specification is available here: <a href="http://www.opencores.org/cgi-bin/cvsget.cgi/wb_dma/doc/dma_doc.pdf">dma_doc.pdf (about 230K)</a></p> <p> <p><u><font size=+1>Author / Maintainer</font></u> <p>I have been doing ASIC design, verification and synthesis for over 15 years. I hope you find this cores useful. Please send me a note if you intend to use it ! <p>Rudolf Usselmann <br><a href="mailto:rudi@asics.ws_NOSPAM">rudi@asics.ws_NOSPAM</a> <br> <a href="http://www.asics.ws">www.asics.ws</a> <p>Feel free to send me comments, suggestions and bug reports. <p><u><font size=+1>Change Log</font></u> <ul> <p>10/19/2001 Made the core parameterized<br> 8/2/2001 Added another feature, Directory Structure has changed<br> 6/6/2001 RU Second Release<br> 19/3/2001 RU Released Code<br> 16/3/2001 RU Initial web page </p> </ul> <!--# include virtual="/ssi/ssi_end.shtml" -->