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Modular SGDMA

shershenuk_ra
Beginner
‎09-30-2021 06:16 AM
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Hi, everyone! I am planning to use Modular Scatter-Gather DMA in streaming to memory-mapped mode. What happens if descriptor requests specific data size, but input FIFO does not have enough data? Will descriptor processing be paused? Or will DMA return less data than was requested?

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SyafieqS
Moderator
‎10-20-2021 06:24 AM
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Roman,


You may need to take a look at below information related to mSGDMA operation

https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ug/ug_embedded_ip.pdf#page=340



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