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Semiconductor device and electronic device

A semiconductor and device technology, which is applied in the field of semiconductor devices and electronic devices, and can solve the problem of inability to transmit other data blocks.

Inactive Publication Date: 2003-08-20
SOCIONEXT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, no further blocks of data can be transferred until the transfer of the data is complete

Method used

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  • Semiconductor device and electronic device
  • Semiconductor device and electronic device
  • Semiconductor device and electronic device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0057] Embodiments of the present invention will now be described with reference to the accompanying drawings.

[0058] figure 1 is a view for describing the basic principle of operation in the present invention.

[0059] Such as figure 1 As shown in , a semiconductor device according to the present invention includes a first region 31 and a second region 32 . A memory 32 a , a storage circuit 32 b , a recovery circuit 32 c and a power control circuit 32 d are located in the second area 32 .

[0060] Power is intermittently supplied to the first zone 31 .

[0061] Power is continuously supplied to the second zone 32 .

[0062] The memory 32a is located in the second area 32 . As will be described below, the memory 32a has a minimum storage capacity for storing the data used in the first area 31 that needs to be stored.

[0063] The storage circuit 32b stores the data used in the first area 31 in the memory 32a before the power supply to the first area 31 is stopped.

[00...

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PUM

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Abstract

A semiconductor device that quickly saves data stored in an area to which power is supplied intermittently. Power is supplied intermittently to a first area. Power is supplied continuously to a second area. A memory is located in the second area. A save circuit saves data used in the first area in the memory before the supply of power being stopped. A restoration circuit restores data which has been saved in the memory to a predetermined circuit in the first area. A power supply control circuit supplies power to the memory if data has been saved in the memory. Otherwise the power supply control circuit stops the supply of power to the memory.

Description

technical field [0001] The present invention relates to a semiconductor device and an electronic device, more particularly to a semiconductor device comprising a first region which is powered intermittently and a second region which is continuously powered, and a semiconductor device comprising a region which is intermittently powered A ground powered first circuit and a continuously powered second circuit electronics. Background technique [0002] For many portable electronic devices, techniques are employed to reduce power consumption by shutting down power to circuits that are not in use. For cellular phones, battery life is extended, for example, by reducing power consumption by stopping power to the modem (modulator / demodulator) except for call times. Sometimes this technique is called a discontinuous reception method. [0003] In this intermittent reception method, it is necessary to store data already stored in registers, memories, etc. before power supply is stoppe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F1/30G06F12/16H04B1/16H04M1/73
CPCG06F1/3287Y02B60/1278G06F1/3203H04W52/028Y02B60/1282Y02D10/00Y02D30/70G06F9/46
Inventor 岩田纯谷口章二黑岩功一山田良和
Owner SOCIONEXT INC