发明申请
- 专利标题: Variable Barrel Shifter
- 专利标题(中): 可变桶式移位器
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申请号: US13340974申请日: 2011-12-30
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公开(公告)号: US20130173994A1公开(公告)日: 2013-07-04
- 发明人: Dan Liu , Qi Zuo , Yong Wang , Yang Han , Shaohua Yang
- 申请人: Dan Liu , Qi Zuo , Yong Wang , Yang Han , Shaohua Yang
- 专利权人: LSI Corporation
- 当前专利权人: LSI Corporation
- 主分类号: G06F5/01
- IPC分类号: G06F5/01 ; G06F11/10 ; H03M13/05
摘要:
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.
公开/授权文献
- US08707123B2 Variable barrel shifter 公开/授权日:2014-04-22
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