Shift circuit and system having the same
US5844828A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 6, 1997 |
| Grant date | Dec 1, 1998 |
| Priority date | — |
| Expiry date | Aug 6, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F7/768
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.