Direct memory access controller and method of filtering data...

Details Direct memory access controller and method of filtering data... Direct memory access controller and method of filtering data...

2005-06-07

2005-06-07

Gaffin, Jeffrey (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Direct memory accessing

C707S793000, C707S793000, C714S037000, C714S039000, C714S045000, C714S046000

Reexamination Certificate

active

06904473

ABSTRACT:
A direct memory access controller includes a source memory controller for controlling a source memory, a destination bus controller for controlling the transfer of data to a destination memory, a first-in-first-out memory buffer for receiving data from the source memory, and a filter connected upstream of the first-in-first-out memory buffer for comparing the source memory data to a filter criterion and passing to the first-in-first-out memory buffer only that data which matches the filter criterion.

REFERENCES:
patent: 6266789 (2001-07-01), Bucher
patent: 6628891 (2003-09-01), Vantalon et al.
patent: 6651250 (2003-11-01), Takai
patent: 2001/0018719 (2001-08-01), Francis
patent: 2001/0037350 (2001-11-01), Aue et al.
patent: 406175968 (1994-06-01), None

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