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Run mDDR at 24MHz on i.MX28

Question asked by Clement Østergaard on Nov 26, 2013
Latest reply on Nov 29, 2013 by Clement Østergaard

Has anyone here got any experience running the MT46H64M16LF mDDR at 24 MHz on a i.MX28?

Currently, using the timing from MX28_mDDR_register_programming_aid_v0.4, it can run at 48MHz.

When switching to 32 MHz or 24MHz, it hangs.

The plan is to be able to disable the PLL and still have the system running at 24MHz from the xtal.