Forum Discussion

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

Altmemphy

Hi all, Now I'm using ALTMEMPHY as physical layer interface between my DDR2Controller to DDR2SDRAM on CycloneIII.But when "resynchronisation_successful" signal of ALTMEMPHY is high,my controlle...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

Hi,

The ctl_usr_mode_rdy just means the ALTMEMPHY finished calibration, does not mean the calibration is successful.

Please check if the DDR2 pins connected correctly and check the DDR2 pin termination.

Regards,

Harold