Digital frequency meter is a kind of cyclical changes in the signal used to test the device operating frequency. The principle is that the specified unit of time (gate time), the record of the number of input pulses. We can change the record time to the gate pulse frequency measurement range switch. In this paper, the use of EDA technology Max+ plus Ⅱ as a development tool designed for FPGA-based 8-bit decimal frequency meter, and to download the experimental in-system programmable EPF10K20TC144-4 board test device to achieve its function.

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