Method and apparatus for arbitrating access to a high speed digital video bus
US5263138A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 11, 1992 |
| Grant date | Nov 16, 1993 |
| Priority date | — |
| Expiry date | Mar 11, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F13/374
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An auxiliary busing arrangement for transferring real time data in a computer system including a plurality of conductors sufficient to transfer in parallel the bits of a data word and the control signals necessary to control the transfer; a plurality of components connected to utilize the busing arrangement, each of the components being assigned a unique priority number and being connected to one of the plurality of conductors used for one of the control signals; apparatus in each of the components for detecting the condition of the one of the plurality of conductors; apparatus for providing clock signals on another of the plurality of conductors used for one of the control signals; apparatus for providing a first condition on the one of the plurality of conductors; apparatus in each of the components for providing a second condition on the one of the plurality of conductors; apparatus in each of the components for terminating an attempt to access the busing arrangement in response to the detection of the second condition on the one of the plurality of conductors; and apparatus for providing the second condition on the one of the plurality of conductors for a number of clock period…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.