| 摘要 |
PROBLEM TO BE SOLVED: To notify a control unit in an upper device of the fact that data transfer is completed every time the transfer of data to a memory of the upper device is completed. SOLUTION: A data transfer device includes: a transfer list 5 for storing a variety of transfer setting information wherein a transfer destination address to be transferred with the data and the number of pieces of the transfer data are defined; a transfer data control unit 4 for transferring input data to the memory of the upper device according to each transfer setting information set in the transfer list 5, and notifying (48) the upper device about the effect that the transfer is completed when the transfer is completed; and an interrupt mode register 41 for storing necessity of the notification. When the notification necessity is stored in the interrupt mode register 41, the transfer data control unit 4 notifies the upper device about the effect that the transfer of the input data is completed in each transfer setting information set in the transfer list 5. COPYRIGHT: (C)2011,JPO&INPIT
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