I.MX6Q DDR EMC RE Fail!

[tommyduan]

       Now  We use I.MX6Q DDR CLK is 528MHZ,I find DDR Frequency doubling to 2.1GHZ,Because this part of the layout and routing reference DEMO，How can we  solve?

[Yuri]

Hello,

   please try to apply different MMDC and DRAM drive strength settings.

Look at section 2.1.3 [SI (Signal Integrity) Consideration] of

https://community.nxp.com/docs/DOC-101708 

Have a great day,

Yuri

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