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XQSHEN's avatar
XQSHEN
Icon for Occasional Contributor rankOccasional Contributor
3 years ago

problem using altmemphy to read ddr2

Device: EP4CE22F17C8 Memeory: Micron MT47H64M8CB-3 IP: altmemphy DDR2 Burst count = 16 I met a problem to read out data using altmemphy. 1) if I start with write operation ddr2 at first, a...
AdzimZM_Altera's avatar
AdzimZM_Altera
Icon for Regular Contributor rankRegular Contributor
3 years ago

Hello,


Did the calibration finished properly in the design?

What is the test_start signal does?

Is there a waitrequest signal in your design?

How do you perform the write and read transaction?


Thanks,

Adzim