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DMA Controller
Comcores multi-channel DMA IP core provides high bandwidth direct memory access between memory and AXI4-Stream or AHB type of IP peripherals for up to 16 channels.
The DMA IP includes Scatter-Gather capabilities which help in offloading data movement tasks from the Central Processing Unit (CPU) in processor-based systems. Configuration of status and management registers are accessed through an AXI4-Lite or AHB slave interface. Control and Status streaming interfaces are used for sending/receiving user application data. Interrupts are available to indicate error and completion events.
The DMA IP includes Scatter-Gather capabilities which help in offloading data movement tasks from the Central Processing Unit (CPU) in processor-based systems. Configuration of status and management registers are accessed through an AXI4-Lite or AHB slave interface. Control and Status streaming interfaces are used for sending/receiving user application data. Interrupts are available to indicate error and completion events.
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Block Diagram of the DMA Controller IP Core
DMA core IP
- Northwest Logic AXI DMA Back-End Core from Rambus
- PCIe 5.0, 4.0, 3.1/3.0 Root Port, Endpoint, Dual-mode, Controller IP Core with Built-in Many-Channel DMA (vDMA), Legacy DMA, and Configurable AMBA AXI Interconnect
- Configurable PCI Express 2.1 Supporting Root Port, Endpoint, Dual-mode Configurations, with Built-in DMA and Configurable AMBA AXI Interconnect
- Configurable PCI Express 1.1 Supporting Root Port, Endpoint, Dual-mode Configurations, with Built-in DMA and Configurable AMBA AXI Interconnect
- Windows & Linux Drivers for the Expresso DMA Core from Rambus
- Northwest Logic High-performance PCIe-AXI Bridge and/or scatter-gather DMA from Rambus