Importance

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Abstract

The semiconductor device comprises a controller, a frame memory, and a register. The controller comprises a control circuit and a prediction circuit. The frame memory comprises a memory device and a monitor circuit. The register comprises a first memory circuit and a second memory circuit. The second memory circuit comprises a transistor which includes a metal oxide in a channel formation region. The prediction circuit is configured to predict the necessity of power supply to the register using a neural network and outputting a first signal corresponding to a result of the prediction to the control circuit. The control circuit is configured to save data stored in the first memory circuit to the second memory circuit on the basis of the first signal. The monitor circuit is configured to output a second signal containing information on power consumption of the memory device to the prediction circuit.

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First Claim