DIRECT MEMORY ACCESS CONTROLLER AND SYSTEM LSI INCLUDING DIRECT MEMORY ACCESS CONTROLLER

摘要

PROBLEM TO BE SOLVED: To assure completion of writing to data in an area at a data transfer destination while maintaining efficiency of using a bus in data writing transfer.;SOLUTION: A transfer control part 285 divides data into a predetermined transfer unit to transfer the data when transferring the transfer data from a buffer to a device concerning an address at the transfer destination, in the case of the divided transfer data and the data concerning the final transfer, transfers the transfer data concerning the final transfer in a transfer system which requires a response from the device concerning the address at the data transfer destination and in the case of the divided transfer data and not the transfer data concerning the final transfer, transmits an instruction to be transferred in a transfer system which does not require the response from the device concerning the address at the data transfer destination.;COPYRIGHT: (C)2007,JPO&INPIT