Device and method for bidirectional data transfer between...

Details Device and method for bidirectional data transfer between... Device and method for bidirectional data transfer between...

2005-09-27

2005-09-27

Peyton, Tammara (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Direct memory accessing

C710S033000, C710S240000, C714S006130, C714S006130, C714S006130, C714S006130

Reexamination Certificate

active

06950884

ABSTRACT:
A device for the bidirectional transfer of data between two processors contains input and output control information memories for storing an item of binary control information for input and output memories. The memories can be accessed by the second processor and, via a DMA channel, by the first processor. The access operations of both processors to these memories are coordinated on the basis of the content of the input and output control information memories.

REFERENCES:
patent: 5845130 (1998-12-01), Goff et al.
patent: 6237108 (2001-05-01), Ogawa et al.
patent: 31 49 678 (1984-05-01), None
patent: 34 24 587 (1986-01-01), None

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