SEMICONDUCTOR DEVICE

申请公布号：JP2016042352(A)

申请号：JP20150120327

申请日期：2015.06.15

申请公布日期：2016.03.31

申请人：

SEMICONDUCTOR ENERGY LAB CO LTD

发明人：TAMURA TERU

分类号：G06F1/30;G11C11/4074;G11C11/412;G11C14/00;H01L21/28;H01L21/336;H01L21/8234;H01L21/8244;H01L21/8247;H01L27/088;H01L27/10;H01L27/105;H01L27/11;H01L27/115;H01L29/417;H01L29/423;H01L29/49;H01L29/786;H01L29/788;H01L29/792

主分类号：G06F1/30

摘要：PROBLEM TO BE SOLVED: To reduce power consumption.SOLUTION: A semiconductor device includes an arithmetic processing circuit, a power supply circuit, a power management unit (PMU), and a power switch. The arithmetic processing circuit includes a storage circuit for retaining generated data. The storage circuit includes a backup circuit including a transistor and a capacitor. When a control signal for transition to a resting state is input from the arithmetic processing circuit to the PMU, the PMU performs voltage scaling operation for lowering the power supply potential of the arithmetic processing circuit. When the time of the voltage scaling operation is longer than the time of the resting state, the PMU performs power gating operation for stopping supply of power to the arithmetic processing circuit. The storage circuit performs data backup operation before the voltage scaling operation is performed.SELECTED DRAWING: Figure 1

模具（HZY043）

拉杆箱

烛台（12）

轮毂（D2745）

模具（HZY057）

裤子（21）

吹风机（H-001）

羊毛衫（120）

裤子（15）

悬挂件（25）

玩具（84）

框条（560红黑）

水晶摆件（13）

上衣（10）

水晶摆件（24）

羊毛衫（13）

面料（柳烟花雾49）

面料（爱的海洋106）

艺术玻璃（花好月圆）

灯(汉庭)