SoC IP
DMA Controller
SoC IP

DMA Controller

Configurable as simple DMA or scatter gather DMA

DMA Controller Specifications

Key Features

SiFive provides support for both streaming and scatter-gather DMA for networking and storage applications from our partners. DMAs are AXI/AXI4-compliant and configurable up to 32 channels supporting both fixed and round-robin arbitration, and are ready for integration in customers’ applications.

DMA Controller

Additional Details

Features

  • Configurable as Simple DMA or scatter gather DMA
  • AXI4 complaint
  • AXI bus width of 32/64/128 bits support
  • Configurable number of channels, maximum up to 32
  • Supports memory-to-memory, memory-to-peripheral, peripheral-to-memory and
    peripheral-to-peripheral transfer
  • Transfer complete interrupts and error interrupts are generated
  • Arbitration supported - fixed and round robin
  • Provides status of each transfer through status register for each channel

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Peripherals

SiFive's peripherals include SPI, QSPI , RTC, I2C, WDT, UART and GPIO.