| 摘要 |
To provide a semiconductor device capable of securely executing a reading operation to improve a reliability of read data, an IC tag including the semiconductor device, and a control method for the IC tag. A semiconductor device according to an embodiment of the present invention includes: a power supply voltage generating circuit for generating a power supply voltage based on a received radio signal; a power supply voltage generating circuit for detecting the power supply voltage; a memory area for storing predetermined data; a reading/writing circuit using different operation voltages for reading data from the memory area and writing data to the memory area; and a control circuit for executing a data reading operation for the memory area based on a detected power supply voltage.
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