Message-based memory system for DSP storage expansion
US6766423B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 14, 2002 |
| Grant date | Jul 20, 2004 |
| Priority date | — |
| Expiry date | Feb 19, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F9/50
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A message-based memory system for Digital Signal Processor (DSP) storage expansion has a shared memory device connected to a number of DSPs through a packet communication bus. Each of the DSPs has a packet bus interface interconnected to the packet bus; and a messaging unit connected to the packet bus interface. The memory device interconnected to the packet bus can provide shared memory space for the DSPs to increase the amount of memory available to each DSP. The memory device can also be utilized to provide access to common information such as shared data or shared programing that may need to be run by multiple DSPs. The DSPs and the memory device communicate through the packet bus interface by generating packetized read and write requests.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.