Direct memory access engine for data transfers

Details Direct memory access engine for data transfers Direct memory access engine for data transfers

2007-03-13

2010-11-09

Patel, Niketa I (Department: 2181)

Electrical computers and digital data processing systems: input/

Input/output data processing

Direct memory accessing

C710S023000, C710S026000

Reexamination Certificate

active

07831746

ABSTRACT:
A system and method of transferring data of unknown length in a computer system includes providing an embedded device having a processing apparatus and a DMA engine, the processing apparatus processing the data and the DMA engine transferring the data from the embedded device to a component in the computer system, determining whether information from the embedded device is an address value or a data value, programming the DMA engine with the address value if the information is the address value, and transferring the data value to the address value in the component if the information is the data value.

REFERENCES:
patent: 6487654 (2002-11-01), Dowling
patent: 2002/0052993 (2002-05-01), Dowling
patent: 2008/0126612 (2008-05-01), Barrow et al.
patent: 2008/0177909 (2008-07-01), Sapp et al.

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