CN104813250A - 具有数字时钟源的微控制器 - Google Patents

具有数字时钟源的微控制器 Download PDF

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Publication number
CN104813250A
CN104813250A CN201380061264.1A CN201380061264A CN104813250A CN 104813250 A CN104813250 A CN 104813250A CN 201380061264 A CN201380061264 A CN 201380061264A CN 104813250 A CN104813250 A CN 104813250A
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CN
China
Prior art keywords
clock
microcontroller
internal
oscillator
output
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201380061264.1A
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English (en)
Chinese (zh)
Inventor
肖恩·斯蒂德曼
法尼·杜芬哈格
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Microchip Technology Inc
Original Assignee
Microchip Technology Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Microchip Technology Inc filed Critical Microchip Technology Inc
Priority to CN201911309896.0A priority Critical patent/CN111142609A/zh
Publication of CN104813250A publication Critical patent/CN104813250A/zh
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04Generating or distributing clock signals or signals derived directly therefrom
    • G06F1/08Clock generators with changeable or programmable clock frequency

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Microcomputers (AREA)
CN201380061264.1A 2012-11-26 2013-11-25 具有数字时钟源的微控制器 Pending CN104813250A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911309896.0A CN111142609A (zh) 2012-11-26 2013-11-25 具有数字时钟源的微控制器

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261729699P 2012-11-26 2012-11-26
US61/729,699 2012-11-26
US14/087,844 US9632526B2 (en) 2012-11-26 2013-11-22 Microcontroller with digital clock source
US14/087,844 2013-11-22
PCT/US2013/071631 WO2014082029A1 (en) 2012-11-26 2013-11-25 Microcontroller with digital clock source

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201911309896.0A Division CN111142609A (zh) 2012-11-26 2013-11-25 具有数字时钟源的微控制器

Publications (1)

Publication Number Publication Date
CN104813250A true CN104813250A (zh) 2015-07-29

Family

ID=50772733

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201380061264.1A Pending CN104813250A (zh) 2012-11-26 2013-11-25 具有数字时钟源的微控制器
CN201911309896.0A Pending CN111142609A (zh) 2012-11-26 2013-11-25 具有数字时钟源的微控制器

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201911309896.0A Pending CN111142609A (zh) 2012-11-26 2013-11-25 具有数字时钟源的微控制器

Country Status (7)

Country Link
US (1) US9632526B2 (enExample)
EP (1) EP2923247A1 (enExample)
JP (1) JP6537450B2 (enExample)
KR (1) KR20150090096A (enExample)
CN (2) CN104813250A (enExample)
TW (1) TWI611287B (enExample)
WO (1) WO2014082029A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111628765A (zh) * 2019-02-28 2020-09-04 意法半导体股份有限公司 用于选择时钟的系统和方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1429356A (zh) * 2000-05-19 2003-07-09 米克罗纳斯幕尼黑有限公司 数字时钟发生器
CN1613644A (zh) * 2003-11-03 2005-05-11 海德堡印刷机械股份公司 用于时钟脉冲内插的电路
CN1815891A (zh) * 2005-02-03 2006-08-09 联发科技股份有限公司 产生输出时钟以锁住模拟输入信号的时钟回复电路及方法
CN101013477A (zh) * 2007-02-05 2007-08-08 凤凰微电子(中国)有限公司 一种实现高速大容量智能卡时钟管理的单元及方法
CN101064508A (zh) * 2006-04-26 2007-10-31 赞林克半导体公司 具有抖动整形能力的数控振荡器
CN101135921A (zh) * 2007-10-10 2008-03-05 威盛电子股份有限公司 多时钟切换装置及其切换方法
US20100109714A1 (en) * 2008-11-06 2010-05-06 Nokia Corporation Frequency synthesizer having a plurality of independent output tones

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5371765A (en) * 1992-07-10 1994-12-06 Hewlett-Packard Company Binary phase accumulator for decimal frequency synthesis
FR2709624B1 (fr) * 1993-08-31 1995-11-17 Sgs Thomson Microelectronics Synthétiseur de fréquence.
GB9414729D0 (en) * 1994-07-21 1994-09-07 Mitel Corp Digital phase locked loop
US5673005A (en) * 1995-08-18 1997-09-30 International Business Machine Corporation Time standard circuit with delay line oscillator
US5670915A (en) * 1996-05-24 1997-09-23 Microchip Technology Incorporated Accurate RC oscillator having peak - to - peak voltage control
US6236278B1 (en) * 2000-02-16 2001-05-22 National Semiconductor Corporation Apparatus and method for a fast locking phase locked loop
US6954114B2 (en) * 2002-04-26 2005-10-11 Broadcom Corporation NCO with rational frequency and normalized phase
US7262645B2 (en) * 2002-12-19 2007-08-28 Broadcom Corporation System and method for adjusting the phase of a frequency-locked clock
US7362263B2 (en) * 2003-09-04 2008-04-22 Seiko Epson Corporation Keeping accurate time for a hybrid GPS receiver and mobile phone when powered off
JP4064338B2 (ja) * 2003-12-10 2008-03-19 松下電器産業株式会社 デルタシグマ型分数分周pllシンセサイザ
KR100645530B1 (ko) * 2005-07-28 2006-11-14 삼성전자주식회사 저음특성 향상을 위한 어쿠스틱 필터를 가진 스테레오스피커 장치
JP4807978B2 (ja) * 2005-07-29 2011-11-02 フェリカネットワークス株式会社 通信装置および通信方法
US7208990B1 (en) * 2006-04-28 2007-04-24 Giga-Tronics, Inc. Low noise microwave frequency synthesizer having loop accumulation
US7536570B2 (en) * 2006-10-02 2009-05-19 Silicon Laboratories Inc. Microcontroller unit (MCU) with suspend mode
US8014485B2 (en) * 2007-05-17 2011-09-06 Advanced Micro Devices, Inc. Techniques for integrated circuit clock management using multiple clock generators
EP2141797A1 (en) * 2008-07-02 2010-01-06 Nxp B.V. Circuit with a time to digital converter and phase measuring method
US7724097B2 (en) * 2008-08-28 2010-05-25 Resonance Semiconductor Corporation Direct digital synthesizer for reference frequency generation
US8228431B2 (en) * 2009-08-31 2012-07-24 Silicon Laboratories Inc. Digital phase lock loop configurable as a frequency estimator
US9002488B2 (en) 2010-02-22 2015-04-07 Cypress Semiconductor Corporation Clock synthesis systems, circuits and methods
TWI424305B (zh) * 2010-04-08 2014-01-21 Via Telecom Co Ltd 時脈產生器、時脈產生方法、與行動通訊裝置
JPWO2012070305A1 (ja) * 2010-11-26 2014-05-19 日本電気株式会社 Pll回路
CN102142838A (zh) * 2011-03-18 2011-08-03 深圳市国微电子股份有限公司 一种数字频率合成器
KR101341924B1 (ko) * 2011-10-21 2013-12-19 포항공과대학교 산학협력단 정전식 터치센서
CN103116424A (zh) * 2011-11-16 2013-05-22 飞思卡尔半导体公司 触摸板电容式传感器电路
WO2013090580A2 (en) * 2011-12-14 2013-06-20 Northrop Grumman Guidance And Electronics Company, Inc. Reconfigurable correlator for a navigation system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1429356A (zh) * 2000-05-19 2003-07-09 米克罗纳斯幕尼黑有限公司 数字时钟发生器
CN1613644A (zh) * 2003-11-03 2005-05-11 海德堡印刷机械股份公司 用于时钟脉冲内插的电路
CN1815891A (zh) * 2005-02-03 2006-08-09 联发科技股份有限公司 产生输出时钟以锁住模拟输入信号的时钟回复电路及方法
CN101064508A (zh) * 2006-04-26 2007-10-31 赞林克半导体公司 具有抖动整形能力的数控振荡器
CN101013477A (zh) * 2007-02-05 2007-08-08 凤凰微电子(中国)有限公司 一种实现高速大容量智能卡时钟管理的单元及方法
CN101135921A (zh) * 2007-10-10 2008-03-05 威盛电子股份有限公司 多时钟切换装置及其切换方法
US20100109714A1 (en) * 2008-11-06 2010-05-06 Nokia Corporation Frequency synthesizer having a plurality of independent output tones

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MICROCHIP TECHNOLOGY INC: "《PIC(L)F320/322 Data Sheet 6/8Pin, High-Performance, Flash Microcontrollers》", 31 July 2011 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111628765A (zh) * 2019-02-28 2020-09-04 意法半导体股份有限公司 用于选择时钟的系统和方法

Also Published As

Publication number Publication date
KR20150090096A (ko) 2015-08-05
EP2923247A1 (en) 2015-09-30
US20140145774A1 (en) 2014-05-29
JP2016501406A (ja) 2016-01-18
JP6537450B2 (ja) 2019-07-03
TWI611287B (zh) 2018-01-11
US9632526B2 (en) 2017-04-25
CN111142609A (zh) 2020-05-12
WO2014082029A1 (en) 2014-05-30
TW201432410A (zh) 2014-08-16

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Application publication date: 20150729

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