External Memory Interface Handbook Volume 3: Reference Material

ID 683841
Date 7/24/2019
Public
Document Table of Contents

3.9. Arria® 10 EMIF Calibration

The calibration process compensates for skews and delays in the external memory interface.

The calibration process enables the system to compensate for the effects of factors such as the following:

  • Timing and electrical constraints, such as setup/hold time and Vref variations.
  • Circuit board and package factors, such as skew, fly-by effects, and manufacturing variations.
  • Environmental uncertainties, such as variations in voltage and temperature.
  • The demanding effects of small margins associated with high-speed operation.

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