Bandwidth control for a direct memory access unit within a data processing system
US8447897B2 · kind B2 · utility
4Cited by
19References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 24, 2011 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Nov 18, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F13/28
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for controlling bandwidth in a direct memory access (DMA) unit of a computer processing system, the method comprising: assigning a DMA job to a selected DMA engine; starting a source timer; and issuing a request to read a next section of data for the DMA job. If a sufficient amount of the data was not obtained, allowing the DMA engine to wait until the source timer reaches a specified value before continuing to read additional data for the DMA job.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.