Bus interface logic integrated circuit

Details Bus interface logic integrated circuit Bus interface logic integrated circuit

1994-12-22

1996-05-28

Westin, Edward P.

Electronic digital logic circuitry

Interface

Current driving

326 90, 326 93, 395309, H03K 190175

Patent

active

055215378

ABSTRACT:
A bus interface logic integrated circuit having a function of bus interfacing a system bus with a higher-order module, including a programmable chip connected between the system bus and the higher-order module and adapted to bus interface the system bus and the higher-order module with each other, the programmable chip initiating transmission and receipt of data under a control of the higher-order module. The programmable chip includes input/output units for selecting data input and output between the system bus and the higher-order module, a part of the input/output units being connected to the system bus and the other input/output unit part being connected to the higher-order module, and a combination logic unit for combining parameters generated for the transmission and receipt of data between each of the system bus-side input/output units and each corresponding one of the higher-order module-side input/output units and outputting a value required for the transmission and receipt of data on the basis of the result of the combination.

REFERENCES:
patent: 4471243 (1984-09-01), Isham
patent: 4703193 (1987-10-01), Porter
patent: 4969121 (1990-11-01), Chan et al.
patent: 4987319 (1991-01-01), Kawana
patent: 5115149 (1992-05-01), Hashmoto
patent: 5179586 (1993-01-01), Lee
patent: 5218684 (1993-06-01), Hayes et al.

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