Microcomputer with programmable ROM

Details Microcomputer with programmable ROM Microcomputer with programmable ROM

1994-06-01

1997-05-06

Black, Thomas G.

395430, 395492, 39549704, 39542101, G06F 1200

Patent

active

056280220

ABSTRACT:
In a microcomputer with a programmable ROM, there is provided an external pin at which a mode select signal is entered so as to select one of three modes, including a MCU mode in which an application system is controlled by an application program which has been stored in the programmable ROM, a PROM mode in which the application program is written into the programmable ROM, and an inline mode in which predetermined data is written to a part of the programmable ROM with the microcomputer mounted on a user system.

REFERENCES:
patent: 4497031 (1985-01-01), Froehling et al.
patent: 5053797 (1991-10-01), Samuels et al.
patent: 5077832 (1991-12-01), Szczutkowski et al.
patent: 5132716 (1992-07-01), Samuels et al.
patent: 5189344 (1993-02-01), Rose
patent: 5307285 (1994-04-01), Storandt et al.
patent: 5327531 (1994-07-01), Bealkowski et al.
patent: 5361343 (1994-11-01), Kosonocky et al.
patent: 5487161 (1996-01-01), Koenck et al.
Computer Architecture A Quantitative Approach: Hennessy & Patterson [1990 ] Morgan Kaufmann Publishers, Inc., San Mateo, CA (p. 54).

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