| 摘要 |
There is provided a chip card that is configured to be inserted into a host device. An exemplary chip card comprises a microcontroller that includes a processor and a memory unit. The microcontroller is connected to a power terminal of the chip card for receiving power from a first power supply of the host device. The chip card also comprises a second power supply configured to at least temporarily supply power to a first component of the microcontroller.
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