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A question about memory controller

idata
Employee
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Dear sir

Recently I get a confusion about memory controller.I measured the signal of DDR CMD signal like CAS,RAS based on skylake platform.It show the oscillogram below.

It seems that the CAS signal has a tristate.But the CMD signal is pull up to VTT(0.6v) on our board.I suspect that the low level and the high level are drived by memory controller.So I hope I can confirm my idea here.Thanks!

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CarlosAM_INTEL
Moderator
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Hello Fupeng_Wang,

Thank you for contacting the Intel Embedded Community.

We will contact you via email in order to help you.

Best Regards,

Carlos_A.

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