Multiplex communications – Channel assignment techniques – Using a separate control line or bus for access control
Patent
1995-09-08
1999-11-30
Nguyen, Chau
Multiplex communications
Channel assignment techniques
Using a separate control line or bus for access control
711151, 709107, H04J 302
Patent
active
059955139
ABSTRACT:
The invention relates to a multitask processing system including a data bus and a command bus. Each one of a plurality of operators is provided to perform a processing determined by an instruction and is likely to issue a command request in order to receive an instruction from the command bus and to issue a transfer request on response to an acknowledgment of the command request, in order to receive or provide data being processed, through the data bus. A memory controller arbitrates the transfer requests and manages the data transfers on the data bus between the operators and a memory. A sequencer arbitrates the command requests, determines instructions to provide the operators with, and manages the instruction transfer through the command bus.
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Harrand Michel
Henry, deceased Michel
Nguyen Chau
SGS-Thomson Microelectronics S.A.
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