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Delay time detecting circuit, hit information generating apparatus and delay time detecting method
Delay time detecting circuit, hit information generating apparatus and delay time detecting method
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摘要
Problem to be solved: to provide a device for generating time information of high accuracy by a simple logic circuit.The delay time detecting circuit includes a clock generating section 11, a count section 12, a sub scale signal generating section 13, and a delay time calculating section 14.The clock generator 11 generates a sub scale clock signal based on the system clock signal.The count section 12 generates a count signal while sequentially incrementing the number of preset values based on the sub scale clock signal.The sub scale signal generator 13 receives the count signal, generates a rectangular scale wave corresponding to the second period at a rate of one count, and generates the same number as the number of the side scale signal whose timing is shifted according to the second period.The delay time calculating section 14 receives the input clock signal and calculates a delay time within the first period of the input clock signal with respect to the system clock signal based on a one side scale signal having a timing at which the input clock signal coincides with the input clock signal.Diagram
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