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.
张宇翔. C8051F020片上系统实现多倍周期测量频率的方法[J]. 气象水文海洋仪器, 2013, 30(3): 64-66.
Zhang Yuxiang. Frequency measurement of C8051F020 chip based on the multi-period method. Meteorological Hydrological and Marine Instrument, 2013, 30(3): 64-66.
2013, Vol. 30 
