Patents Assigned to Microcomputer Engineering Ltd.
  • Memory controller with a cache memory and control method of cache memory including steps of determining memory access threshold values
    Patent number: 5253351
    Abstract: In a control unit having a external storage device, a method for selecting a loading method of data stored in the cache memory into the cache memory in accordance with an access pattern to the data, and an apparatus therefor are disclosed. The selection of the loading method is selection of control mode or procedure in accordance with the loading method, and it is attained by a learn function.
    Type: Grant
    Filed: August 8, 1989
    Date of Patent: October 12, 1993
    Assignees: Hitachi, Ltd., Microcomputer Engineering Ltd.
    Inventors: Akira Yamamoto, Toshiaki Tsuboi, Shigeo Honma, Hiroyuki Kitajima, Akira Kurano, Masafumi Nozawa, Katsunori Nakamura, Kosaku Kambayashi, Toshio Nakano, Yoshiro Shiroyanagi