| 摘要 |
<p>Triggered by an amount of data stored in a FIFO way, a control machine for starting DMA transfer according to the capacity of the FIFO instructs a control machine for preparing DMA transfer to start preparation of a command to carry out DMA transfer. The control machine for preparing DMA transfer issues a prepared command to a control machine for controlling DMA data transfer and the processing is started according to the command. The load of the DMA transfer on a host CPU is lightened.</p> |
