Readdressable virtual DMA control and status registers

Details Readdressable virtual DMA control and status registers Readdressable virtual DMA control and status registers

2006-10-10

2006-10-10

Fleming, Fritz (Department: 2181)

Electrical computers and digital data processing systems: input/

Input/output data processing

Direct memory accessing

C710S022000, C710S308000

Reexamination Certificate

active

07120708

ABSTRACT:
Apparatus and method for carrying out a DMA transfer wherein an address is written into a DMA register of a DMA controller specifying a memory location within a memory device at which either the parameters for a transfer of a block of data are provided or the status of the transfer of a block of data is to be written by the DMA controller.

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PCT Notification of Transmittal of the International Search Report and the Written Opinion of the International Searching Authority, or the Declaration, PCT/US2004/020197, Dec. 13, 2004.

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