Patent ID: 6285616
Filing Date: 2001-09-04
Classification: G11C

Abstract:
A memory refreshing control apparatus for controlling a memory comprising a plurality of bank memories each necessitating refreshing operation, said memory refreshing control apparatus comprising:a unique refreshing counter for producing a refreshing request for refreshing said memory;a memory access requesting section for producing a memory access request for accessing said memory;a memory monitoring section, connected to said memory, for monitoring access states in said plurality of bank memories to produce monitored information; andrequest executing means, connected to said unique refreshing counter, said memory access requesting section, said memory monitoring section, and said memory, for concurrently executing, with reference to said monitored information, a refreshing processing and a memory access processing for said memory when said refreshing request and said memory access request are in contention and when said refreshing request and said memory access request are requests for different bank memories.