Distributed MUX scheme for bi-endian rotator circuit
US6687262B1 · kind B1 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 21, 2000 |
| Grant date | Feb 3, 2004 |
| Priority date | — |
| Expiry date | Feb 21, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F9/30032
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The inventive control logic provides the selection signals for a bi-endian rotator MUX. The logic determines the starting point for the data transfer by determining which input register byte is going to Byte 0 of the output register. The control logic passes the starting point to single decoder. The decoded value is then sent to a plurality of MUXs, one for each of the output register bytes. Each of the MUXs is prewired to receive a portion of bits of the decoded value, and the portion is arranged in a particular order. The MUXs then send their respective outputs to the rotator MUX as selection control signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.