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Abstract

A microcomputer includes an analog-to-digital (AD) converter which converts analog data into digital data and then stores a plurality of data bits which represent the digital data, a read signal output unit for producing a read signal for identifying the value of the digital data stored in the AD converter, a gate circuit which, in response to the read signal from the read signal output unit, obtains a plurality of data bits at the uppermost or lowermost end of the digital data from the digital data stored in the AD converter, a skip circuit which, in response to the read signal, obtains remaining data bits, other than the plurality of data bits obtained by the gate unit, from the digital data stored in the AD converter and produces a control signal having a second value which differs according to the value of the remaining data bits and a data identifying unit which identifies the value of the digital data on the basis of the plurality of data bits supplied by the gate unit and by the control signal.

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First Claim