High bandwidth reconfigurable on-chip network for reconfigurable systems
US7224184B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2004 |
| Grant date | May 29, 2007 |
| Priority date | — |
| Expiry date | Mar 26, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K19/17756
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A crossbar switch (50) is implemented in a reconfigurable circuit, such as a FPGA, instantiated with a number of modules (40), the crossbar switch (50) providing communication links between the modules (40). The modules (40) and crossbar switch (50) can be easily updated in a partial reconfiguration process changing only portions of modules (40) and the crossbar switch (50) while other portions remain active. The crossbar switch (50) uses individual wiring to independently connect module outputs and inputs so that asynchronous communications can be used. The crossbar switch (50) can be implemented in different embodiments including a Clos crossbar switch, and a crossbar switch connecting each module output only to a corresponding module input, allowing for a reduction in the amount of FPGA resources required to create the crossbar switches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.