A memory access control circuit determines an optimum memory access mode and performs the optimum memory access mode without requiring additional data from the data processing unit. The circuit performs a plurality of memory access operations, the number of which is larger than the number of access modes...http://www.google.fr/patents/US5394535?utm_source=gb-gplus-shareBrevet US5394535 - Memory access control circuit with automatic access mode determination circuitry with read-modify-write and write-per-bit operations
Memory access control circuit with automatic access mode determination ...