Shift circuit and system having the same

Details Shift circuit and system having the same Shift circuit and system having the same

1997-08-06

1998-12-01

Mai, Tan V.

Boots, shoes, and leggings

G06F 700

Patent

active

058448284

ABSTRACT:
A shift circuit consists of a sequence of a first stage shifter for receiving 32-bit input data, a second stage shifter, and a third stage shifter. The first stage shifter shifts the input data in a higher or lower direction by any one of 0 to 7 bits and provides the second stage shifter with a shifted 32-bit result. Each of the second and third stage shifters receives a shifted 32-bit result from the preceding stage shifter and shifts each byte of the shifted result independently in the higher or lower direction by 8 or 16 bits. The second and third stage shifters consist each of selectors that receive control signals, respectively, to realize various shifting operations on the input data, thereby providing a variety of data operations.

REFERENCES:
patent: 4495598 (1985-01-01), Vahlstrom et al.
patent: 4509144 (1985-04-01), Palmer
patent: 5073864 (1991-12-01), Methvin et al.

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