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Altera_Forum's avatar
Altera_Forum
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10 years ago

DDR2 UniPhy OCT

Hi, I am using DDR2 Uniphy and get an Error on calibrated OCT: I run tcl after synthesis and tcl run successfully as qsf updated, for instance DDR IO constrained properly : "set_instan...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Have you tried setting OUTPUT_TERMINATION "SERIES 50 OHM with CALIBRATION" instead? Your bidir DDR2_DQ have parallel termination with calibration during input, yet during outputs it doesn't use it.