| 摘要 |
PROBLEM TO BE SOLVED: To reduce data transfer processing load of a bus master device, and usage of a bus.SOLUTION: A data transfer control apparatus includes: a snooping section which monitors a write request transmitted from a bus master device via a bus; and a controller which controls the write request to be output to a bus slave device. The snooping section stores data compliant with a first write request when a target area indicated by the first write request corresponds to at least one re-transfer area, and outputs data compliant with the first write request to the controller when the data compliant with the first write request has been stored and a target area indicated by a second write request corresponds to at least one re-transfer area. The controller controls the bus slave device to output the data compliant with the first write request, instead of data compliant with the second write request, when receiving the data compliant with the first write request from the snooping section. |
