Method and apparatus for performing error correction on data from an external memory
US5604753A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 4, 1994 |
| Grant date | Feb 18, 1997 |
| Priority date | — |
| Expiry date | Jan 4, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/1064
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for performing error correction on data from an external memory is described. The present invention includes a method and apparatus for receiving data from an external memory source and determining if the data has an error. The data is forwarded to the requesting unit while the error correction is performed on the data, such that the two operations are performed in parallel. The present invention also includes a method and apparatus for subsequently correcting data if a single bit error exists. The corrected data is then forwarded to the requesting unit during the next cycle. Also if an error is detected, the present invention produces an indication to the device. The device is flushed in response to the indication.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.