Patent attributes
A memory control device of the present invention controls a memory that includes multiple bank groups each including multiple banks. The memory control device includes a request buffer configured to store memory requests to be issued to the banks, a bank busy manager configured to manage busy states of the banks, a bank group checker configured to, for each of the banks, manage the number of banks in not-busy state of the banks in each of the bank groups, a bank group determination unit configured to determine a bank group to which a memory request is issued, on the basis of the numbers of the banks in not-busy state in the respective bank groups, and a request issuer configured to issue the memory request in the request buffer to a bank in the determined bank group.
