Introduction - If you have any usage issues, please Google them yourself
Frequency of three methods of analysis based on EDA technology based on the principle of frequency measurement accuracy, etc.. AT89C51 given the use of control and, through multi-FPGA design, such as precision digital frequency of specific methods. Can take into account the frequency meter frequency meter speed, resources, and precision frequency measurement to optimize all aspects of demand.
EDA-based technologiessuchasprecisionmulti-functionaldesignofdigitalfrequencymeter.pdf