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Visitor
Visitor
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Registered: ‎07-30-2015

Zynq 706 custom memory controller with mig phy ERROR: Activate Failure. Bank 0 must be Precharged.

Hi,

 

I am currently working on building a custom memory controller with mig phy. The init_calib_complete is done (phy calibration is completed). The problem I am facing is timing errors with DDR. I am encountering the following errors:

- ERROR: Activate  Failure.  Bank 0 must be Precharged.

- ERROR: NOP or Deselect is required when CKE goes active.

I have given the values of the memory timing parameters as per the data sheet of the DDR. I am using vivado 2014.4.

Does anyone have any suggestions?

 

Thanks and Regards,

Sriram

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