DMA

  • Support general DMA operation and Scatter Gather DMA
  • Support up to 16+4 channels
  • Support up to 32 requests, the detail configured request number is TBD
  • Support AXI4 bus interface
  • Support AXI Bus width of 64/128 bits
  • Support 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
  • Support 4+4 Scatter Gather channels in all 16+4 channels