Three purpose shadow register attached to the output of storage

Details Three purpose shadow register attached to the output of storage Three purpose shadow register attached to the output of storage

1996-09-23

1997-11-18

Beausoliel, Jr., Robert W.

Excavating

39518315, 371 211, 371 225, 371 491, H04B 1700

Patent

active

056896344

ABSTRACT:
A multi-purpose shadow register apparatus in a computer system having a central processing unit, a memory, a memory output select circuit, and a memory output bus includes a shadow register in parallel with the memory output select circuit. The shadow register is connected to receive memory output data from the memory output bus and is responsive to an output enable signal to provide shadow register output data on a shadow register output bus. A shadow register functional logic block which provides a plurality of functional blocks utilize the shadow register in a mutually time-exclusive manner.

REFERENCES:
patent: 4048624 (1977-09-01), Cochran et al.
patent: 4342079 (1982-07-01), Stewart et al.
patent: 4414669 (1983-11-01), Heckelman et al.
patent: 5077738 (1991-12-01), Larsen et al.
patent: 5091851 (1992-02-01), Shelton et al.
patent: 5541936 (1996-07-01), Tanaka
patent: 5581564 (1996-12-01), Miller et al.

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