Process and apparatus for managing use of a peripheral bus...

Details Process and apparatus for managing use of a peripheral bus... Process and apparatus for managing use of a peripheral bus...

2005-08-23

2005-08-23

Ray, Gopal C. (Department: 2111)

Electrical computers and digital data processing systems: input/

Access arbitrating

C709S208000

Reexamination Certificate

active

06934782

ABSTRACT:
Ownership of a peripheral bus between a peripheral device and a plurality of master devices is assigned to one of the master devices. Each master device has an associated controller for controlling the peripheral device via the peripheral bus. Communication occurs without impediment between the master device and its controller that have ownership of the bus, thereby conducting transactions via the peripheral bus and peripheral device. Communication with the master device and controller not having ownership is blocked, making the controller look busy to the master device and making the master device look idle to the controller. The ownership is assigned to the master/controller pairs using an arbiter arrangement.

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“Wrapper-based bus implementation techniques for performance improvement and cost reduction” by Anjo, K; Okamura, A; Motomura, M. (abstract only) Publication Date: May 2004.
“Synchronous interlocked pipelines” H. M. Jacobson et al. (abstract only) Publication Date: Apr. 8-11, 2002.

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