SGDMA

The SGDMA (DMA) of JH-7110 has the following features.
  • Support general DMA operations and Scatter Gather DMA
  • Support up to 4 gather&scatter channels
  • Support up to 32 requests
  • Support AXI4 bus width of 64-bit
  • Support memory to memory, memory to peripheral, peripheral to memory and peripheral to peripheral transfer
  • Can generate both interrupts for transmission completion and for transmission failure due to errors
  • Support arbitration - fixed and round robin
  • Provide status information of each transfer for each channel in the status register