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SYiwe's avatar
SYiwe
Icon for Occasional Contributor rankOccasional Contributor
7 years ago

DDR4 calibration failed

Hi, I instantiate a EMIF IP core with DDR4 protocol in my design, modify memory timing parameters and board skew values. The DDR4 speed bin is 2400 and CL=16. After programming the device in EMIF ...
BoonT_Intel's avatar
BoonT_Intel
Icon for Frequent Contributor rankFrequent Contributor
7 years ago

Hi Yes,

Add/Cmd calibration goes first. then follow by read and write.

  • SYiwe's avatar
    SYiwe
    Icon for Occasional Contributor rankOccasional Contributor
    7 years ago

    The calibration failed at "write per-bit deskew" stage, any suggestions?

    Thanks.