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RGH_Z's avatar
RGH_Z
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4 years ago

Arria 10 EMIF waitrequest_n, operating conditions for it to suddenly go low and stay low forever

I am using altera_emif for controlling DDR4 doing video frame buffering; this design is done in Quartus 16.0, and has been in production for some time. Customer is now reporting that, after working ...
AdzimZM_Altera's avatar
AdzimZM_Altera
Icon for Regular Contributor rankRegular Contributor
4 years ago

Hi Sir,


May I know on which operation that has been assigned during the situation?

Do you try to execute the burst operation?


Do you see any pattern that this issue might happens?

Or it's just randomly occur?


Thanks,

Adzim


RGH_Z's avatar
RGH_Z
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4 years ago

Sorry, didn't see this earlier, had thought that I might get some notification if there were a reply. Unfortunately not sure that I know much about burst; as to pattern, as I said, (may possibly be related to changes in some of the video input rasters, etc., no hard evidence/correlations yet as it happens so infrequently).