Methods and systems for selection of unions of vector signaling codes for power and pin efficient chip-to-chip communication
US9077386B1 · kind B1 · utility
147Cited by
20References
16Claims
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Key dates
| Filing date | Sep 4, 2012 |
| Grant date | Jul 7, 2015 |
| Priority date | — |
| Expiry date | Jan 5, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D30/70
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Methods and systems are described for communication of data over a communications bus at high speed and high pin efficiency, with good resilience to common mode and other noise. Pin efficiencies of 100% may be achieved even for bus widths of four or fewer wires. Information to be transmitted is encoded as words of a vector signaling code, each word comprising multiple values transmitted as a group over the communications bus. Subsets of the vector signaling code have distinct group characteristics, which are discernable on transmission and are used to facilitate decoding on reception.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.