Method of mode control in a bus optimized for personal computer

Details Method of mode control in a bus optimized for personal computer Method of mode control in a bus optimized for personal computer

1998-06-17

2000-02-29

Auve, Glenn A.

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus access regulation

G06F 1300

Patent

active

06032211&

ABSTRACT:
Asynchronous and isochronous data is transferred over a bus connecting a first device and a second device. Data is selectably transferred over the bus in either asynchronous priority mode or isochronous priority mode. Asynchronous priority mode gives priority to transfer of the asynchronous data and isochronous priority mode gives priority to transfer of the isochronous data. In addition, data transferred over the bus is selectably transferred in either whole-bus mode in which the entire data bus transfers data in one direction or in or half-bus mode in which portions of the data bus may transfer data in different directions.

REFERENCES:
patent: 5742847 (1998-04-01), Knoll et al.
patent: 5758105 (1998-05-01), Kelley et al.
patent: 5761430 (1998-06-01), Gross et al.
Intel Corporation, "Accelerated Graphics Port Interface Specification", Revision 1.0, Jul. 31, 1996, pp. 1-152.
Wickelgren, Ingred J., "The Facts About Fire Wire", IEEE Spectrum, Apr. 1997, pp. 20-25.
Glaskowsky, Peter N., "Cyrix Creates Ultimate CPU for Games", Microdesign Resources, Dec. 8, 1997, pp. 16-18.
Gwennap, Linley, "MediaGX Targets Low-Cost PCs", Microprocessor Report, vol. 11, No. 3, Mar. 10, 1997, pp. 1-6.
Compaq, Digital Equipment Corp., IBM PC Company, Intel, Microsoft, NEC, and Northern Telcom, "Universal Serial Bus Specification", Revision 1.0, Jan. 15, 1996, pp. 3-268, particularly Chapters 4 and 5.

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