39.6.2.5 DMA Interrupt Generation

The DMA Controller operation sets the following interrupt flags in the Interrupt Status register CHXISR:

  • DMA field indicates that the DMA transfer is completed.
  • DSCR field indicates that the descriptor structure is loaded in the DMA controller.
  • ADD field indicates that a descriptor has been added to the descriptor queue.
  • DONE field indicates that the channel transfer has terminated and the channel is automatically disabled.