PCIe Configuration - 3.3 English

Versal ACAP CPM DMA and Bridge Mode for PCI Express Product Guide (PG347)

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3.3 English

Several factors can throttle outgoing non-posted transactions. Outgoing non-posted transactions are throttled based on flow control information from the PCIE Controller to prevent head of line blocking of posted requests. The DMA will meter non-posted transactions based on the PCIe Receive FIFO space.