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frequency_counter2
- 频率计,通过单片机 CPLD共同实现对输入方波信号测频率,测量范围1—10Mhz,带数码管译码显示-Frequency counter, through the joint realization of single chip CPLD input square wave signal measured on the frequency, measurement range 1-10Mhz, with a digital display control decoding