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US 2021/0064077 A1Published application
Timing circuit and timing method
AssigneeNanjing Silergy Micro Technology Co., Ltd.
InventorsXingyue Wang, Ran Li, Junjie Qiao
Life of this patent
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Abstract
A timing circuit can include: a low-precision clock source configured to generate a low-precision clock signal; a high-precision clock source configured to intermittently generate a high-precision clock signal; and a cycle conversion circuit configured to count the pulses of the high-precision clock signal and the low-precision clock signal during a same period, and to obtain a conversion cycle according to count results and a rated cycle of the high-precision clock signal.
Claims15
A timing circuit, comprising:
- a) a low-precision clock source configured to generate a low-precision clock signal;
- b) a high-precision clock source configured to intermittently generate a high-precision clock signal;
- and
- c) a cycle conversion circuit configured to count the pulses of the high-precision clock signal and the low-precision clock signal during a same period, and to obtain a conversion cycle according to count results and a rated cycle of the high-precision clock signal.
1 more element
A timing method, comprising:
- a) generating a low-precision clock signal by a low precision clock source;
- b) intermittently generating a high-precision clock signal by a high-precision clock source;
- c) counting pulses of the high-precision clock signal and the low-precision clock signal respectively during a same period;
- and
- d) obtaining a conversion cycle according to count results and a rated cycle of the high-precision clock signal.
2 more elements
Dependencies are inferred from the claim text.