Variable barrel shifter
US8707123B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2011 |
| Grant date | Apr 22, 2014 |
| Priority date | — |
| Expiry date | Oct 4, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M13/658
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
In one embodiment a variable barrel shifter includes a shifter operable to apply a cyclic shift to each of a number of portions of a data word, a pivot circuit operable to swap sections of the data word around at least one pivot point in the data word, a first multiplexer operable to select between an input of the variable barrel shifter or an output of the pivot circuit as an input to the shifter, a second multiplexer operable to select between the input of the variable barrel shifter or an output of the shifter as an input to the pivot circuit, and a third multiplexer operable to select between the output of the shifter or the output of the pivot circuit as an output to the variable barrel shifter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.