| 摘要 |
An embodiment of a system on a chip includes a reference clock circuit configured to produce a reference clock signal, a first clock circuit configured to produce a first clock signal, and adjustment circuitry. The adjustment circuitry is configured to make a determination of whether a characteristic of the reference clock signal compares unfavorably with a characteristic of the first clock signal, and when the characteristic of the reference clock signal compares unfavorably with the characteristic of the first clock signal, to adjust a parameter of the first clock circuit that results in tuning the first clock signal.
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