MEMORY ACCESS DEVICE, IMAGE-PROCESSING DEVICE, AND IMAGING DEVICE

    公开(公告)号:US20190324646A1

    公开(公告)日:2019-10-24

    申请号:US16458499

    申请日:2019-07-01

    Abstract: A memory access device for controlling accesses to a memory having a plurality of banks by a plurality of processing blocks including at least one high-priority processing block, connected to a common data bus, and outputting access requests for requesting access to the memory has a memory controller connected to the data bus to control access to the connected memory in response to the access requests while outputting operation information of the memory; and an access selection unit configured to change a designation sequence of the banks according to the operation information at the time when the high-priority processing block continuously accesses the plurality of banks and output the access requests in the changed sequence, wherein the access selection unit is configured to further change the designation sequence according to the changing operation information during a period while the access requests are not accepted by the memory controller.

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