CN111083940A - 检测电路、方法、芯片及设备 - Google Patents

检测电路、方法、芯片及设备 Download PDF

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Publication number
CN111083940A
CN111083940A CN201880001249.0A CN201880001249A CN111083940A CN 111083940 A CN111083940 A CN 111083940A CN 201880001249 A CN201880001249 A CN 201880001249A CN 111083940 A CN111083940 A CN 111083940A
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China
Prior art keywords
clock
signal
flip
flop
tested
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Pending
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CN201880001249.0A
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English (en)
Inventor
申艾麟
韦健
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Shenzhen Goodix Technology Co Ltd
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Shenzhen Goodix Technology Co Ltd
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Publication of CN111083940A publication Critical patent/CN111083940A/zh
Pending legal-status Critical Current

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    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K21/00Details of pulse counters or frequency dividers
    • H03K21/40Monitoring; Error detection; Preventing or correcting improper counter operation

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  • Semiconductor Integrated Circuits (AREA)

Abstract

本申请提供一种检测电路、方法、芯片及设备,该电路包括同步模块和与该同步电路连接的检测模块;该同步模块将使能信号的时钟域同步,将每路时钟信号的时钟域对应的使能信号传输至检测模块;检测模块在使能信号的作用下对每路时钟信号进行检测,得到每路时钟信号的频率。本申请可准确检测时钟信号的频率,保证信息安全。

Description

PCT国内申请,说明书已公开。

Claims (20)

  1. PCT国内申请,权利要求书已公开。
CN201880001249.0A 2018-08-21 2018-08-21 检测电路、方法、芯片及设备 Pending CN111083940A (zh)

Applications Claiming Priority (1)

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PCT/CN2018/101458 WO2020037485A1 (zh) 2018-08-21 2018-08-21 检测电路、方法、芯片及设备

Publications (1)

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CN111083940A true CN111083940A (zh) 2020-04-28

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CN (1) CN111083940A (zh)
WO (1) WO2020037485A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113031695A (zh) * 2021-03-19 2021-06-25 维沃移动通信有限公司 控制电路装置、电子设备、控制方法和可读存储介质

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11487872B2 (en) * 2018-12-07 2022-11-01 Hewlett Packard Enterprise Development Lp Detection of hardware security attacks
CN112596578A (zh) * 2020-12-08 2021-04-02 北京地平线机器人技术研发有限公司 一种时钟监控电路及监控方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030123588A1 (en) * 2002-01-02 2003-07-03 Rupal Parikh Synchronizing data or signal transfer across clocked logic domains
CN1655454A (zh) * 2004-02-10 2005-08-17 大唐移动通信设备有限公司 一种电子设备中时钟信号检测方法和装置
CN1925329A (zh) * 2006-08-08 2007-03-07 华为技术有限公司 一种时钟检测的方法及装置
CN102044291A (zh) * 2009-10-26 2011-05-04 海力士半导体有限公司 半导体器件及其操作方法
CN103365757A (zh) * 2013-07-29 2013-10-23 浙江中控技术股份有限公司 时钟检测方法及装置
CN104348471A (zh) * 2013-07-24 2015-02-11 三星电子株式会社 时钟数据恢复方法和电路

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106707020B (zh) * 2016-12-22 2019-06-11 武汉盛帆电子股份有限公司 脉冲检测装置及脉冲检测方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030123588A1 (en) * 2002-01-02 2003-07-03 Rupal Parikh Synchronizing data or signal transfer across clocked logic domains
CN1655454A (zh) * 2004-02-10 2005-08-17 大唐移动通信设备有限公司 一种电子设备中时钟信号检测方法和装置
CN1925329A (zh) * 2006-08-08 2007-03-07 华为技术有限公司 一种时钟检测的方法及装置
CN102044291A (zh) * 2009-10-26 2011-05-04 海力士半导体有限公司 半导体器件及其操作方法
CN104348471A (zh) * 2013-07-24 2015-02-11 三星电子株式会社 时钟数据恢复方法和电路
CN103365757A (zh) * 2013-07-29 2013-10-23 浙江中控技术股份有限公司 时钟检测方法及装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113031695A (zh) * 2021-03-19 2021-06-25 维沃移动通信有限公司 控制电路装置、电子设备、控制方法和可读存储介质
CN113031695B (zh) * 2021-03-19 2024-04-12 维沃移动通信有限公司 控制电路装置、电子设备、控制方法和可读存储介质

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