https://community.nxp.com/t5/i-MX-Processors/Can-i-get-data-use-multi-channel-sdma-for-eim-fpga/m-p/733600#M114149 <HTML><HEAD></HEAD><BODY><P>Hi Hanseung</P><P></P><P>please look at link which may be helpful</P><P><A class="link-titled" href="http://billauer.co.il/blog/2011/10/imx-sdma-howto-memory-map/" title="http://billauer.co.il/blog/2011/10/imx-sdma-howto-memory-map/">Freescale i.MX SDMA tutorial (part I)</A>&nbsp;</P><P></P><P>Best regards<BR />igor<BR />-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Mon, 12 Mar 2018 22:56:33 GMT igorpadykov 2018-03-12T22:56:33Z https://community.nxp.com/t5/i-MX-Processors/Can-i-get-data-use-multi-channel-sdma-for-eim-fpga/m-p/733599#M114148 <HTML><HEAD></HEAD><BODY><P>Hi everyone.</P><P>I&nbsp;got data&nbsp;use eim.</P><P>but it is not working well..like below.</P><P></P><P></P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="bad_sdma_signal2.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/555iA917DA3C2EFF03B6/image-size/large?v=v2&amp;px=999" role="button" title="bad_sdma_signal2.png" alt="bad_sdma_signal2.png" /></span></P><P></P><P>So.. I&nbsp;got data&nbsp;use multi channel sdma for eim.&nbsp; Also not working well..</P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="bad_sdma_signal.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/395iE26FF2E98B773BDD/image-size/large?v=v2&amp;px=999" role="button" title="bad_sdma_signal.png" alt="bad_sdma_signal.png" /></span></P><P></P><P>Can i make signal like below?</P><P>How to make that?</P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="good_sdma_signal1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/441iF6BF438EC03F6576/image-size/large?v=v2&amp;px=999" role="button" title="good_sdma_signal1.png" alt="good_sdma_signal1.png" /></span></P></BODY></HTML> Wed, 07 Mar 2018 02:35:31 GMT https://community.nxp.com/t5/i-MX-Processors/Can-i-get-data-use-multi-channel-sdma-for-eim-fpga/m-p/733599#M114148 hanseunglee 2018-03-07T02:35:31Z https://community.nxp.com/t5/i-MX-Processors/Can-i-get-data-use-multi-channel-sdma-for-eim-fpga/m-p/733600#M114149 <HTML><HEAD></HEAD><BODY><P>Hi Hanseung</P><P></P><P>please look at link which may be helpful</P><P><A class="link-titled" href="http://billauer.co.il/blog/2011/10/imx-sdma-howto-memory-map/" title="http://billauer.co.il/blog/2011/10/imx-sdma-howto-memory-map/">Freescale i.MX SDMA tutorial (part I)</A>&nbsp;</P><P></P><P>Best regards<BR />igor<BR />-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Mon, 12 Mar 2018 22:56:33 GMT https://community.nxp.com/t5/i-MX-Processors/Can-i-get-data-use-multi-channel-sdma-for-eim-fpga/m-p/733600#M114149 igorpadykov 2018-03-12T22:56:33Z https://community.nxp.com/t5/i-MX-Processors/Can-i-get-data-use-multi-channel-sdma-for-eim-fpga/m-p/733601#M114150 <HTML><HEAD></HEAD><BODY><P>Hi igor.!</P><P>thank you for your time.</P><P></P><P>In my case, must be use multi channel sdma.</P><P><SPAN>We make a multI-channel sdma, but&nbsp;smda&nbsp;use interrupts as one.</SPAN><BR /><SPAN>I would like to have each smda channel use an interrupt.</SPAN></P><P><SPAN>Do you have any opinion?</SPAN></P><P></P></BODY></HTML> Tue, 13 Mar 2018 02:09:21 GMT https://community.nxp.com/t5/i-MX-Processors/Can-i-get-data-use-multi-channel-sdma-for-eim-fpga/m-p/733601#M114150 hanseunglee 2018-03-13T02:09:21Z