Semiconductor device and driving method thereof

摘要

A semiconductor device in which a nonvolatile memory can normally operate and power saving can be performed with a P-state function, and a driving method of the semiconductor device are provided. The semiconductor device includes: a first circuit configured to control a state including a driving voltage and a clock frequency of a processor core; a first memory circuit and a second memory circuit which store state data; a second circuit generating a power supply voltage and a third circuit generating a clock which are electrically connected to the first circuit; and the processor core electrically connected to the second circuit and the third circuit through a switch. The processor cores includes: a volatile memory; and a nonvolatile memory transmitting and receiving data to/from the first memory.

主权项

1. A semiconductor device comprising:
a first circuit configured to control a state including a driving voltage and a clock frequency of a processor core; a first memory circuit and a second memory circuit which store state data; a second circuit generating a power supply voltage and a third circuit generating a clock, the second circuit and the third circuit being electrically connected to the first circuit; and the processor core electrically connected to the second circuit and the third circuit through a switch, wherein the processor cores comprises:
a first memory; anda second memory transmitting and receiving data to/from the first memory; and wherein the first circuit reads state data stored in the first memory circuit and determines whether data in processing in the processor core is stored with a current state data when the first circuit receives an instruction for an off operation.