PLDA Announces Two Innovative vDMA Engine IP Solutions, Delivering Robust Performance and Scalability across a PCIe Link or AMBA AXI Fabric

New solutions provide scalability, low resource utilization and high performances in managing large amounts of data for designers and architects in the high-end computing, AI, machine learning and IoT spaces

SAN JOSE, Calif. — (BUSINESS WIRE) — April 4, 2019 — PLDA, the industry leader in PCI Express® IP solutions, today announced two innovative DMA engine solutions designed to manage large and heterogeneous data traffic across a PCIe link or across an AMBA AXI fabric solution. PLDA’s new IP products are an elegant and streamlined solution that delivers high-end performance and is easy to integrate into design planning.

This press release features multimedia. View the full release here:

The explosion in data traffic due to the advent of artificial intelligence, machine learning, automotive and IoT has prompted the development of new System-on-Chip architectures. These architectures allow system developers to build high-performance applications that can ingest and process huge amounts of heterogeneous data. In order to take advantage of these architectures, some SoCs integrate a large number of processing elements and require a scalable solution for moving data across computing elements or across a PCIe-attached host platform. In order to meet these needs, PLDA has developed a high-performance DMA Engine available in two versions: As a standalone vDMA engine IP with AMBA-AXI interconnect or as a PCIe 5.0 IP controller with integrated vDMA engine.


This standalone vDMA-AXI IP product is the ideal centralized AMBA AXI DMA for SoCs that integrate a large number of processing elements and require a scalable solution for moving data across these computing elements. vDMA-AXI is particularly suited for applications in AI, machine learning and automotive spaces and delivers:

  • Up to 2048 DMA channels
  • Up to 512 Virtual Machines or domains
  • A configurable AMBA AXI3/4 interface with either a 256-bit or 512-bit data path
  • Up to 128 outstanding read and write requests


This PCIe 5.0 controller IP with built-in vDMA engine is designed for applications that require the highest performance and flexibility for moving data across a PCIe-attached host platform, whether virtualized or not. XpressRICH5-AXI with vDMA is particularly suited for applications in cloud computing, HPC, AI, machine learning, storage, and networking. In addition to the features outlined in the standalone vDMA engine, XpressRICH5-AXI also delivers:

  • Support for x16, x8, x4, x2, x1 at PCIe Gen5, Gen4, Gen3, Gen2, and Gen1 speeds
  • Compliance with PCI-SIG Single-Root I/O Virtualization (SR-IOV) Specification
  • Support for Endpoint, Root-Port, and Dual-mode configurations
  • Support for up to 32 Physical Functions (PF) and 512 Virtual Functions (VF)

According to Arnaud Schleich, CEO of PLDA, “New applications and the ever-growing quest for bandwidth is driving a need for faster I/O combined with a flexible design. PLDA’s vDMA solutions provide the performance needed by higher end applications with an ease-of-integration that delivers silicon success.”

More information:

Detailed information on these products is available online via video demonstrations and product brochures. You may also contact PLDA directly to discuss your individual project at

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