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Altera_Forum
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10 years ago

Modular SGDMA Streaming

Hi, I'm trying to stream data from an ADC to my DDR RAM. I’ve hit a roadblock with using the modular SGDMA core to do streaming to memory mapped transfers to DDR RAM. An interrupt that is suppo...
Altera_Forum's avatar
Altera_Forum
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10 years ago

I have another update, it seems like I can only write 488 words of data before this exception occurs. This indicates to me that there might be a buffer that's filling up (I don't know why I would be getting an illegal instruction error though). The other strange thing is that the depth of all of my buffers is 1024, I would expect a buffer error to occur at around that number of words being transferred not 488.