| 摘要 |
PROBLEM TO BE SOLVED: To obtain a voltage detection circuit capable of selecting desired detection voltage setting value from a plurality of detection voltage setting values. SOLUTION: A circuit is constituted of a reference voltage source 406, resistor array 405 connected to a voltage source to be detected and having a plurality of taps for setting a plurality of detection voltage, a tap connection circuit 404 connecting a specific tap from a plurality of taps of the resistor array 405 to a voltage detector 407, a detection voltage setting circuit 403 producing tap selection signals to be input in the tap connection circuit 404, and a voltage comparator comparing the voltage of a tap connected to the tap selection circuit 404 and the reference voltage source, which can set a specific detection voltage from a plurality of voltage detection value.
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