Asahi Kasei Microdevices Corporation

Tomohiro Yoshioka

Yoshitaka Okutsu

Provided is an apparatus including: a first input circuit which inputs signal from a first communication line; a second input circuit which inputs a signal from a second communication line; a reference voltage generation circuit which generates a reference voltage; and a comparison circuit which compares the reference voltage with a voltage of the first communication line. The first input circuit and the second input circuit adjust judgement thresholds to be used for judging a signal value according to the comparison result obtained by the comparison circuit.

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Tokyo, Japan

Tomohiro Yoshioka