Data transfer apparatus with channel controller and transfer...

Details Data transfer apparatus with channel controller and transfer... Data transfer apparatus with channel controller and transfer...

2006-05-12

2009-06-30

Tsai, Henry W. H. (Department: 2184)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output access regulation

C710S005000, C710S022000, C710S036000, C711S100000

Reexamination Certificate

active

07555577

ABSTRACT:
A data transfer control apparatus includes a channel controller and a transfer controller. The channel controller receives, prioritizes and queues data transfer requests. The transfer controller includes separate control of data source and data destination in a data transfer corresponding to the data transfer requests. The transfer controller includes a data transfer program register and active source and destination registers. The transfer controller operates from the active source and destination registers. Upon completion of a data transfer the transfer controller writes data transfer parameters from the data transfer program register to the active source and destination registers.

REFERENCES:
patent: 6269413 (2001-07-01), Sherlock
patent: 6574683 (2003-06-01), Comisky et al.
patent: 2004/0162925 (2004-08-01), Barry et al.
patent: 2005/0050241 (2005-03-01), Furuta et al.

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