| 摘要 |
The present invention discloses a storage device and an operation method thereof. The storage device includes a non-volatile memory for storing data, a control unit coupled to the non-volatile memory, a power supply unit coupled to an external power source and converting the external power source to a suitable voltage for the non-volatile memory and the control unit, and a power monitor unit for monitoring the external power source. When the external power source falls below a low voltage threshold of the non-volatile memory, a control signal is transmitted into the control unit so as to stop accessing the non-volatile memory. The non-volatile memory finishes the last processing procedure according to the last programming instruction sent by the control unit before the control signal for protecting the data stored in the non-volatile memory.
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