Communication method and processor

Details Communication method and processor Communication method and processor

2008-09-02

2008-09-02

Dollinger, Tonia L. M. (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Direct memory accessing

C710S010000, C710S020000, C710S036000, C710S100000

Reexamination Certificate

active

10972532

ABSTRACT:
A processor has a central processing unit and a first interface. The central processing unit sets a communication parameter in a configuration register in the communication interface. A direct memory access controller or a data transfer controller then sets the same parameter in a register in a communication setup interface or an output port controller, which transmits the parameter to an external device with which the processor communicates through the communication interface. Alternately, the central processing unit sets the communication parameter in the communication setup interface or output port controller, and the direct memory access controller or data transfer controller sets the same parameters in the configuration register in the communication interface. Either scheme reduces the load on the central processing unit.

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patent: 5682551 (1997-10-01), Pawlowski et al.
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patent: 7107362 (2006-09-01), Wheless et al.
patent: 2004/0177183 (2004-09-01), Takahashi et al.
patent: 5-336296 (1993-12-01), None
patent: 6-046103 (1994-02-01), None

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