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AHB Multi-Channel DMA Controller
The Digital Blocks DB-DMAC-MC-AHB Verilog RTL IP Core is a Multi-Channel DMA Controller supporting 1 – 16 independent data transfers. The Direct Memory Access (DMA) Controller IP Core contains 1 - 16 DMA Controller Engines (i.e. DMA Channels), with a unified AHB5 Master Read/Write interconnects. The DB-DMAC-MC-AHB excels at high data throughput on both small and large data sets. Standard IP releases of number of DMA Controller Engines are 1, 2, 4, 8, and 16.
The DMA Controller IP Core can serve as a general-purpose Programmable DMA Controller supporting many system memories and peripherals, or be sized to the user required number of DMA Engines, AMBA interconnect interfaces, and user application interfaces.
The DMA Controller IP Core can serve as a general-purpose Programmable DMA Controller supporting many system memories and peripherals, or be sized to the user required number of DMA Engines, AMBA interconnect interfaces, and user application interfaces.
Features
- 1 - 16 Multi-Channel High Performance DMA Controller Engines:
- High-Speed Finite State Machine Control
- High Throughput to/from Memory & Peripherals via AMBA AHB on both small and large data sets
- Configurable with Dual-Port, Single- or Dual-Clock FIFO
- FIFOs user parameterized in Depth x Width
- User program Control, Status, Diagnostics via AMBA AHB/APB Slave Interface
- Scatter / Gather – supports non-contiguous data block transfers to a contiguous segment of memory and vice versa
- AHB5 Master Read/Write Interfaces
- Individual Interface Data Widths: 8 / 16 / 32 / 64 / 128 / 256 / 512 / 1024.
- Programmable Data Burst Capability: 1, 4, 8, 16 on AHB/User Interfaces.
- Variety of User DMA Transfer Control:
- Hardware or Software Initiated Transfers
- Link-List Processor for Autonomous & Chained Block Transfers
- Arbiter with variety of Arbitration Modes
- Interrupt Controller – Signaling DMA Transfer Done & Diagnostics
- Fully-synchronous, synthesizable Verilog RTL core, with rising-edge clocking, no gated clocks, and no internal tri-states, for easy integration into FPGA or ASIC design flows.
Deliverables
- Verilog RTL Source or technology-specific netlist.
- Comprehensive testbench suite with expected results.
- Synthesis scripts.
- Installation & Implementation Guide.
- Technical Reference Manual.
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