Forum Discussion

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

Confliction on reading and refreshing request on DDR2 SDRAM Controller

I am using the DDR2 SDRAM Controller generated by Megawizard of Quartus9.1. The basic reading and writing request can successfully processed by controller, but, when the reading request is en...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

9.1 should still be the high performance controller. I've never seen a simulation present a X mid way through.

I would try the example top design with the example driver and see if that simulates ok.