topic Re: Interfacing DDR3 with iMX535 in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/Interfacing-DDR3-with-iMX535/m-p/664636#M102137 <HTML><HEAD></HEAD><BODY><P>Thanks for the response Igor,</P><P></P><P>Where to&nbsp;obtain IBIS models for the iMX535 DDR3 @ 1.5V and 120 Ohm ODT?</P><P></P><P>What is the difference between IBIS models with ODT vs Driver impedance?</P><P></P><P>e.g. what does driver impedance refer to? (these are the names of IBIS models for iMX535)</P><P>lpddr2hs_sel10_ds001_mio &nbsp; &nbsp; - &nbsp; &nbsp;DDR, 1.2V, lpddr2 mode, 240 Ohm driver impedance</P><P><SPAN style="font-size: 11.0pt;">ddr2odths_t21_sel00_mi &nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;- &nbsp; &nbsp; DDR, 1.8V, ddr2 mode, 21 Ohm ODT</SPAN></P><P></P><P>Regards,</P></BODY></HTML> Fri, 10 Feb 2017 17:02:07 GMT sherry_zahid 2017-02-10T17:02:07Z Interfacing DDR3 with iMX535 https://community.nxp.com/t5/i-MX-Processors/Interfacing-DDR3-with-iMX535/m-p/664634#M102135 <HTML><HEAD></HEAD><BODY><P>Link me to the documents for interfacing DDR3 with iMX535. Thanks</P></BODY></HTML> Thu, 02 Feb 2017 21:43:16 GMT https://community.nxp.com/t5/i-MX-Processors/Interfacing-DDR3-with-iMX535/m-p/664634#M102135 sherry_zahid 2017-02-02T21:43:16Z Re: Interfacing DDR3 with iMX535 https://community.nxp.com/t5/i-MX-Processors/Interfacing-DDR3-with-iMX535/m-p/664635#M102136 <HTML><HEAD></HEAD><BODY><P>Hi Sherry</P><P></P><P>please check i.MX53 System Development User’s Guide </P><P><A class="jive-link-external-small" href="https://community.nxp.com/external-link.jspa?url=http%3A%2F%2Fwww.freescale.com%2Ffiles%2F32bit%2Fdoc%2Fuser_guide%2FMX53UG.pdf" rel="nofollow" target="_blank">http://www.freescale.com/files/32bit/doc/user_guide/MX53UG.pdf</A></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> Thu, 02 Feb 2017 23:28:34 GMT https://community.nxp.com/t5/i-MX-Processors/Interfacing-DDR3-with-iMX535/m-p/664635#M102136 igorpadykov 2017-02-02T23:28:34Z Re: Interfacing DDR3 with iMX535 https://community.nxp.com/t5/i-MX-Processors/Interfacing-DDR3-with-iMX535/m-p/664636#M102137 <HTML><HEAD></HEAD><BODY><P>Thanks for the response Igor,</P><P></P><P>Where to&nbsp;obtain IBIS models for the iMX535 DDR3 @ 1.5V and 120 Ohm ODT?</P><P></P><P>What is the difference between IBIS models with ODT vs Driver impedance?</P><P></P><P>e.g. what does driver impedance refer to? (these are the names of IBIS models for iMX535)</P><P>lpddr2hs_sel10_ds001_mio &nbsp; &nbsp; - &nbsp; &nbsp;DDR, 1.2V, lpddr2 mode, 240 Ohm driver impedance</P><P><SPAN style="font-size: 11.0pt;">ddr2odths_t21_sel00_mi &nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;- &nbsp; &nbsp; DDR, 1.8V, ddr2 mode, 21 Ohm ODT</SPAN></P><P></P><P>Regards,</P></BODY></HTML> Fri, 10 Feb 2017 17:02:07 GMT https://community.nxp.com/t5/i-MX-Processors/Interfacing-DDR3-with-iMX535/m-p/664636#M102137 sherry_zahid 2017-02-10T17:02:07Z