Article Details

ID: 5439
Case Type: faq
Category: Lattice IP/Reference Design
Related To: DDR3 SDRAM Controller
Family: LatticeECP5

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How is the detection algorithm of the Read Training error (IP port name: rt_err) and when is it asserted?

Read Training error indicates failure in Read Training process. The PHY IP will not work properly if there is a Read Training error. This signal should be checked when init_done signal is asserted.
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