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Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

DDR2 HPCII v11.0 problem, thanks for help !

everything seems well, however, local_init_done is always low, what's wrong? I tried both the full calibration and "skip the calibration", it doesn't change anything, the local_init_done is alway...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

I think some presets should already be there. If you've taken old presets it might be a problem of changed variables or other things. Either try to find existing preset or reset everything and fill in according to JEDEC standards.

Also, I wonder... UniPHY is not supported for your device?