Data transfer system for rearranging data units using intermediate temporary registers
US5043935A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 3, 1989 |
| Grant date | Aug 27, 1991 |
| Priority date | — |
| Expiry date | Mar 3, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F7/762
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A data transfer control system controls a data transfer between a source and a destination by rearranging a data arrangement of a data which is made up of data units each made up of one or a plurality of bits, and comprises an input/output interface unit for inputting the data from the source and for outputting the data to the destination, a data swap circuit coupled to the input/output interface unit for rearranging a data arrangement of the data received from the source through the input/output interface unit in terms of the data unit and for rearranging a data arrangement of the data outputted to the destination through the input/output interface unit in terms of the data unit, a temporary register for temporarily storing the data with the rearranged data arrangement obtained from the data swap circuit, and a data swap control circuit coupled to the data swap circuit for controlling the rearranging of the data arrangement in the data swap circuit responsive to a transfer information which includes at least a source address, a destination address and a transfer control information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.