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| Frequency measurement of C8051F020 chip based on the multi-period method |
| Zhang Yuxiang |
| College of Engineering,Nanjing Agricultural University,Nanjing 210031 |
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Abstract Frequency measurements are widely used in various fields.And a frequency measurement of C8051F020 chip based on the multi-period method can realize the measurement with low cost and high precision.This paper introduces its hardware circuit,program software as well as measuring methods in detail.
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Received: 20 July 2013
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2013, Vol. 30 
