IMX6Q DDR CLK discontinuity

[tommyduan]

       Before  we use IMX6DL  the DDR CLK is 400MHZ,Clk is continuous.Now we use IMX6Q  the DDR CLK is 528MHZ,My tests found that the clock was off and on,it don't continuous.

      What's the really reason,Is it the problem of software setup?or hardware design bad?

[Yuri]

Hello,

  The i.MX6 MMDC supports such power saving feature as automatic self-refresh and

power down entry and exit. In automatic self-refresh, the internal operating

clock will be gated for power saving. Please look at section 44.4.6 (Power Saving and

Clock Frequency Change modes) of the i.MX6 D/Q Reference Manual (Rev. 5, 06/2018)

for more details.

Have a great day,

Yuri

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