Features - 4.1 English

DMA/Bridge Subsystem for PCI Express Product Guide (PG195)

Document ID
PG195
Release Date
2023-11-24
Version
4.1 English
  • Supports AMD UltraScale+™ , AMD UltraScale™ , AMD Virtex™ 7 XT Gen3 (Endpoint), and 7 series 2.1 (Endpoint) Integrated Blocks for PCIe. 7A15T and 7A25T are not supported
  • Support for 64, 128, 256, 512-bit datapath (64, and 128-bit datapath only for 7 series Gen2 IP)
  • 64-bit source, destination, and descriptor addresses
  • Up to four host-to-card (H2C/Read) data channels (up to two for 7 series Gen2 IP)
  • Up to four card-to-host (C2H/Write) data channels (up to two for 7 series Gen2 IP)
  • Selectable user interface
    • Single AXI4 memory mapped (MM) user interface
    • AXI4-Stream user interface (each channel has its own AXI4-Stream interface)
  • AXI4 Master and AXI4-Lite Master optional interfaces allow for PCIe traffic to bypass the DMA engine
  • AXI4-Lite Slave to access DMA status registers
  • Scatter Gather descriptor list supporting unlimited list size
  • 256 MB max transfer size per descriptor
  • Legacy, MSI, and MSI-X interrupts
  • Block fetches of contiguous descriptors
  • Poll Mode
  • Descriptor Bypass interface
  • Arbitrary source and destination address
  • Parity check or Propagate Parity on AXI bus (not available for 7 series Gen2 IP)