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Altera_Forum
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13 years ago

PCI Express and DMA Transfers in burst mode

G´day ! I´ve qsys system running containing IP_Compiler for PCI Express, DMA Controller and On-Chip Memory. BAR Type is 32 Bit Non-Prefetchable, 32 Bit Data width at DMA and On-Chip. I wrote Li...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

wgutstein, thanks for ur answer. i know this data sheet and that i´ve to take care of the maximum burst size.

but actually i can´t follow ur calculation:

if data width is 64 Bit (=8 Byte) and maximum_burst_size is 64 words (=256 Byte), then 2048 Byte can be transfered with a single transaction ??