Microcomputer including internal and direct external control of

Details Microcomputer including internal and direct external control of Microcomputer including internal and direct external control of

1995-08-15

1997-12-02

Bowler, Alyssa H.

Static information storage and retrieval

Magnetic bubbles

Guide structure

365195, 36518504, 364DIG1, G06F 1578

Patent

active

056946112

ABSTRACT:
A microcomputer including an EEPROM in which data may be stored and from which stored data may be read either under control of a central processing unit of the microcomputer or under direct external control. The microcomputer includes separate inputs for data input and data output signals when storing and reading is under the control of the central processing unit and when storing and reading of data is under direct external control. The central processing unit may inhibit direct external control of storing data in and reading data from the EEPROM.

REFERENCES:
patent: 4718037 (1988-01-01), Thaden
patent: 4807114 (1989-02-01), Itoh
patent: 5175840 (1992-12-01), Sawase et al.
patent: 5428808 (1995-06-01), Sawase et al.
patent: 5574926 (1996-11-01), Miyazawa et al.
Japanese Electronics Journal, "Nikkei Electronics", No. 404, Sep. 22, 1986.

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