Method and system for monitoring DMA status

Details Method and system for monitoring DMA status Method and system for monitoring DMA status

2005-07-26

2005-07-26

Gaffin, Jeffrey (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Direct memory accessing

C710S024000, C710S025000, C710S027000

Reexamination Certificate

active

06922741

ABSTRACT:
Embodiments of the invention provide a status register for each channel of a DMA controller. The status register may be used to monitor and record events that occur during DMA data transfers, including timeouts and aborts.

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Patent Abstracts of Japan, vol. 2002, No. 02, Apr. 2, 2002 & JP 2001 297056 A (Canon Inc), Oct. 26, 2001.

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