Isochronous data pipe for managing and manipulating a high-speed stream of isochronous data flowing between an application and a bus structure
US6266727A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Mar 29, 1999 |
| Grant date | Jul 24, 2001 |
| Priority date | — |
| Expiry date | Mar 29, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/40071
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An isochronous data pipe provides a bidirectional path for data between an application and a bus structure. The isochronous data pipe includes the ability to send, receive and perform manipulations on any isochronous stream of data, including data on any number of isochronous channels. The isochronous data pipe is a programmable sequencer that operates on the stream of isochronous data as it passes through the isochronous data pipe. The isochronous data pipe is programmed by an application to perform specific operations on the stream of data before the data is either transmitted across the bus structure or sent to the application, thereby pre-processing and manipulating the data before it is delivered to its destination. The operations are performed on both the packet header and the data field of the data packet. The isochronous data pipe can be stopped and started on the occurrence of specific events. In an alternate embodiment of the present invention, the isochronous data pipe is programmed to send and receive both isochronous and asynchronous data, including generating requests and appropriate packet headers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.