Highly concurrent DMA controller with programmable DMA channels

Details Highly concurrent DMA controller with programmable DMA channels Highly concurrent DMA controller with programmable DMA channels

2005-05-24

2005-05-24

Peyton, Tammara (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Direct memory accessing

C710S023000, C710S038000, C710S052000

Reexamination Certificate

active

06898646

ABSTRACT:
A data transaction controller for transferring data responsive to a request from a client. The data transaction controller includes channel circuitry for providing a channel for data transfers. The channel circuitry includes a first storage device for storing channel configuration data. The data transaction controller further includes control circuitry for controlling access by the client to the channel circuitry.

REFERENCES:
patent: 4864601 (1989-09-01), Berry
patent: 5809335 (1998-09-01), Kamiya
patent: 5875351 (1999-02-01), Riley
IMB Technical Disclosure Bulletin, “Direct Memory Access Channel Sharing Mechanism”, Dec. 1987, vol. # 30, Issue # 7, pp. 369-370.

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