The Arria® 10 Hard IP for PCI Express® has separate user guides for the
Interface Type that you select in the IP core
parameter editor. When you select the Avalon®
Memory-Mapped (Avalon-MM) for the Gen2 x8
and Gen3 x8 variants, the IP core automatically includes
high-performance DMA Read and DMA Write engines.
Click on the link
below for the appropriate user guide.