OPERATOR FOR PROCESSING DIGITAL SIGNAL WITH LOW POWER CONSUMPTION BY USING PROBABILITY DISTRIBUTION OF INPUT DIGITAL SIGNALS

摘要

PURPOSE: An operator for processing a digital signal with low power consumption by using probability distribution of input digital signals is provided to output a previously calculated value in case of a predetermined signal by detecting that the input digital signal is the specified signal having a high probability after analyzing the digital input signal. CONSTITUTION: An external input part(10) receives and temporarily stores the digital data. A specified signal detector(12) detects the specified signal by receiving the digital data output from the external input part and outputs a detection result. An internal input part(14) outputs the digital data inputted by responding to the detection result. An operation part(16) receives/operates the data output from the internal input part. An external output part(18) selectively outputs the temporarily stored output of the operation tool or a value corresponding to the specified input as an operation result of the digital data by responding to the detection result.