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Patent Searching and Data


Title:
DETECTION CIRCUIT, METHOD, CHIP, AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/037485
Kind Code:
A1
Abstract:
Provided in the present application are a detection circuit, a method, a chip, and a device. The circuit comprises a synchronization module, and a detection module connected to the synchronization circuit, wherein the synchronization module performs clock domain synchronization on enable signals, and transmits to the detection module an enable signal corresponding to the clock domain of each clock signal; under the action of the enable signal, the detection module detects each clock signal to obtain the frequency of each clock signal. According to the present application, the frequency of a clock signal can be accurately detected, thereby ensuring information security.

Inventors:
SHEN AILIN (CN)
WEI JIAN (CN)
Application Number:
PCT/CN2018/101458
Publication Date:
February 27, 2020
Filing Date:
August 21, 2018
Export Citation:
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Assignee:
SHENZHEN GOODIX TECH CO LTD (CN)
International Classes:
H03K21/40
Foreign References:
CN1655454A2005-08-17
CN1655454A2005-08-17
CN102044291A2011-05-04
CN106707020A2017-05-24
Attorney, Agent or Firm:
LEADER PATENT & TRADEMARK FIRM (CN)
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