Method and device for calibrating clock frequency
A clock frequency and frequency technology, applied in pulse processing, pulse generation, electrical components, etc., can solve problems such as oscillator clock frequency deviation, circuit function error, oscillator frequency error, etc., to reduce impact, improve accuracy, reduce The effect of power consumption
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[0056] Hereinafter, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other arbitrarily if there is no conflict.
[0057] The steps shown in the flowchart of the drawings can be executed in a computer system such as a set of computer-executable instructions. Also, although a logical sequence is shown in the flowchart, in some cases, the steps shown or described may be performed in a different order than here.
[0058] See figure 1 , The embodiment of the present invention provides a device for calibrating clock frequency, including:
[0059] The clock detection circuit is used to periodically count the clock signal output by the parameter adjustable oscillator to obtain the count value, determine that the absolute value of the difference between the obtained count value and the expected count value is...
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