| 摘要 |
<p>A semiconductor device is provided, which includes an antenna, a first circuit (a boosting circuit), a second circuit (a reference voltage supply circuit), and a third circuit (a voltage comparison circuit). The first circuit is electrically connected to the antenna, and includes at least a first charge pump, a second charge pump, and a first switch disposed between the first charge pump and the second charge pump. The second circuit is configured to generate a reference voltage in accordance with a first output voltage supplied from the first charge pump. The third circuit is configured to compare the reference voltage, the first output voltage, and a second output voltage supplied from the second charge pump.
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