Method and apparatus for managing timestamps when storing data
US7031869B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2001 |
| Grant date | Apr 18, 2006 |
| Priority date | — |
| Expiry date | Sep 6, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C29/56012
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system is disclosed in which an on-chip logic analyzer (OCLA) includes timestamp logic capable of providing clock cycle resolution of data entries using a relatively small number of bits. The timestamp logic includes a counter that is reset each time a store operation occurs. The counter counts the number of clock cycles since the previous store operation, and if enabled by the user, provides a binary signal to the memory that indicates the number of clock cycles since the previous store operation, which the memory stores with the state data. If the counter overflows before a store operation is requested, the timestamp logic may force a store operation so that the time between stores can be determined.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.