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논문 기본 정보

자료유형
학술대회자료
저자정보
Koji TOMINAGA (Kyushu Sangyo University) Koichiro TANAKA (Kyushu Sangyo University)
저널정보
대한전자공학회 ITC-CSCC :International Technical Conference on Circuits Systems, Computers and Communications ITC-CSCC : 2009
발행연도
2009.7
수록면
625 - 628 (4page)

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This paper reports the measurement results of the power consumption provided to an ultra-low-power microcontroller. Recently, mobile devices equipped with wireless communication capabilities have been effectively used by many people. Therefore, there are quite a lot of demands to adapt the capabilities to mobile devices without them. However, mobile devices which are required long battery life might not operate correctly when the module equipped with the capabilities simply connects them because the module consumes a big electric power. Ultralow-power microcontrollers will be able to reduce the power consumption of the system including their communication modules by controlling them. However, it is necessary to decrease the power consumption of the microcontroller to achieve this. Then, we measure the power consumption of MSP430 microcontrollers made by Texas Instruments. In the experiment, the power consumption value in some microcontrollers which only the internal memory size is different is measured. Moreover, the power consumption of the microcontroller in four of low-power modes (LPMs) are investigated. As a result, the microcontrollers with different internal memory size have showed the same power consumption. In addition, the power consumption of it has decreased when the LPM rise. In this paper, these results are shown in detail. In addition, the system that transmits the digital data converted from analog data by wireless communication.

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Abstract
1. INTRODUCTION
2. EVALUATION ENVIRONMENT
3. MEASUREMENT RESULT OF THE SUPPLY CURRENT
4. POWER CONSUMPTION OF A WIRELESS SYSTEM WITH ANALOG TO DIGITAL CONVERTERS
5. CONCLUSION
6. REFERENCES

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