Processor and information processing apparatus with a reconfigurable circuit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 5, 2000
Grant Date -
N/A
app pub date -
Mar 12, 1998
filing date -
Mar 13, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Part or all of an instruction decoder is constructed of a first reconfigurable circuit wherein a circuit structure thereof can be changed according to an external signal. Further, a second reconfigurable circuit which is connected to output side of a register file as part of processing unit and wherein a circuit structure thereof can be changed according to an external signal is preliminarily provided. For special use, to achieve a predetermined operating function, the second reconfigurable circuit is reconstructed by the external signal. Further, a particular instruction corresponding to the predetermined operating function is set, and the first reconfigurable circuit is so reconstructed by an external signal that when the particular instruction is inputted, a corresponding control signal is outputted. When the particular instruction is executed, the first reconfigurable circuit outputs a control signal and the second reconfigurable circuit executes the predetermined operating function by that control signal.
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