CN115580298A - 时钟切换方法、装置、电子设备和可读存储介质 - Google Patents
时钟切换方法、装置、电子设备和可读存储介质 Download PDFInfo
- Publication number
- CN115580298A CN115580298A CN202110685669.9A CN202110685669A CN115580298A CN 115580298 A CN115580298 A CN 115580298A CN 202110685669 A CN202110685669 A CN 202110685669A CN 115580298 A CN115580298 A CN 115580298A
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- reference clock
- phase
- clock
- loop
- frequency
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- 238000000034 method Methods 0.000 title claims abstract description 66
- 238000001514 detection method Methods 0.000 claims description 29
- 230000006870 function Effects 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 9
- 230000007774 longterm Effects 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 8
- 238000004590 computer program Methods 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 7
- 238000012216 screening Methods 0.000 claims description 2
- 230000010363 phase shift Effects 0.000 abstract description 5
- 238000004891 communication Methods 0.000 description 28
- 230000010355 oscillation Effects 0.000 description 18
- 230000008569 process Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 16
- 238000013016 damping Methods 0.000 description 11
- 238000004364 calculation method Methods 0.000 description 10
- 230000007704 transition Effects 0.000 description 7
- 238000012935 Averaging Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000004088 simulation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008713 feedback mechanism Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/087—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
- H03L7/0991—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider
- H03L7/0992—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider comprising a counter or a frequency divider
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/083—Details of the phase-locked loop the reference signal being additionally directly applied to the generator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/093—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted
- H03L7/143—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted by switching the reference signal of the phase-locked loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted
- H03L7/146—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted by using digital means for generating the oscillator control signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
- H03L2207/50—All digital phase-locked loop
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (16)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110685669.9A CN115580298A (zh) | 2021-06-21 | 2021-06-21 | 时钟切换方法、装置、电子设备和可读存储介质 |
KR1020237042322A KR20240005080A (ko) | 2021-06-21 | 2022-03-28 | 클록 스위칭 방법 및 장치, 전자 설비 및 컴퓨터 판독 가능한 저장 매체 |
EP22827096.3A EP4350999A4 (en) | 2021-06-21 | 2022-03-28 | CLOCK SWITCHING METHOD AND DEVICE, ELECTRONIC DEVICE AND COMPUTER-READABLE STORAGE MEDIUM |
JP2023576167A JP2024520849A (ja) | 2021-06-21 | 2022-03-28 | クロック切替方法及び装置、電子機器、並びにコンピュータ読み取り可能な記憶媒体 |
US18/573,158 US20240305305A1 (en) | 2021-06-21 | 2022-03-28 | Clock switching method and apparatus, electronic device, and computer readable storage medium |
PCT/CN2022/083325 WO2022267591A1 (zh) | 2021-06-21 | 2022-03-28 | 时钟切换方法及装置、电子设备和计算机可读存储介质 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110685669.9A CN115580298A (zh) | 2021-06-21 | 2021-06-21 | 时钟切换方法、装置、电子设备和可读存储介质 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN115580298A true CN115580298A (zh) | 2023-01-06 |
Family
ID=84543996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110685669.9A Pending CN115580298A (zh) | 2021-06-21 | 2021-06-21 | 时钟切换方法、装置、电子设备和可读存储介质 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20240305305A1 (zh) |
EP (1) | EP4350999A4 (zh) |
JP (1) | JP2024520849A (zh) |
KR (1) | KR20240005080A (zh) |
CN (1) | CN115580298A (zh) |
WO (1) | WO2022267591A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116887365A (zh) * | 2023-08-10 | 2023-10-13 | 上海载德信息科技股份有限公司 | 一种参考源信号切换方法、装置、电子设备及存储介质 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117111434B (zh) * | 2023-08-17 | 2024-03-29 | 湖南时空信安科技有限公司 | 一种时钟性能的评估方法、装置及终端设备 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101079629B (zh) * | 2006-05-23 | 2010-05-12 | 中兴通讯股份有限公司 | 一种实现sdh产品时钟板无缝切换的数字锁相装置 |
US8432231B2 (en) * | 2010-07-19 | 2013-04-30 | Analog Devices, Inc. | Digital phase-locked loop clock system |
US8188796B2 (en) * | 2010-07-19 | 2012-05-29 | Analog Devices, Inc. | Digital phase-locked loop clock system |
US8598929B1 (en) * | 2012-10-31 | 2013-12-03 | Intel Mobile Communications GmbH | Bitwidth reduction in loop filters used for digital PLLS |
US11038511B2 (en) * | 2017-06-28 | 2021-06-15 | Analog Devices International Unlimited Company | Apparatus and methods for system clock compensation |
US10505555B2 (en) * | 2018-03-13 | 2019-12-10 | Texas Instruments Incorporated | Crystal oscillator offset trim in a phase-locked loop |
CN111384948A (zh) * | 2018-12-30 | 2020-07-07 | 炬芯(珠海)科技有限公司 | 锁相环输出信号的频率切换方法、电路及时钟产生装置 |
US10727845B1 (en) * | 2019-06-25 | 2020-07-28 | Silicon Laboratories Inc. | Use of a virtual clock in a PLL to maintain a closed loop system |
-
2021
- 2021-06-21 CN CN202110685669.9A patent/CN115580298A/zh active Pending
-
2022
- 2022-03-28 KR KR1020237042322A patent/KR20240005080A/ko unknown
- 2022-03-28 JP JP2023576167A patent/JP2024520849A/ja active Pending
- 2022-03-28 WO PCT/CN2022/083325 patent/WO2022267591A1/zh active Application Filing
- 2022-03-28 EP EP22827096.3A patent/EP4350999A4/en active Pending
- 2022-03-28 US US18/573,158 patent/US20240305305A1/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116887365A (zh) * | 2023-08-10 | 2023-10-13 | 上海载德信息科技股份有限公司 | 一种参考源信号切换方法、装置、电子设备及存储介质 |
Also Published As
Publication number | Publication date |
---|---|
EP4350999A4 (en) | 2024-10-23 |
US20240305305A1 (en) | 2024-09-12 |
JP2024520849A (ja) | 2024-05-24 |
KR20240005080A (ko) | 2024-01-11 |
EP4350999A1 (en) | 2024-04-10 |
WO2022267591A1 (zh) | 2022-12-29 |
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Country or region after: China Address after: 2nd Floor, 2nd Floor, ZTE Industrial Park, No. 2 Xili Chuangyan Road, Xili Community, Xili Street, Nanshan District, Shenzhen City, Guangdong Province 518055 Applicant after: SANECHIPS TECHNOLOGY Co.,Ltd. Address before: 518055 Zhongxing Industrial Park, Liuxian Avenue, Xili street, Nanshan District, Shenzhen City, Guangdong Province Applicant before: SANECHIPS TECHNOLOGY Co.,Ltd. Country or region before: China |
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CB02 | Change of applicant information |
Country or region after: China Address after: 518055, 2nd Floor, ZTE Industrial Park, No. 2 Chuangyan Road, Xili Community, Xili Street, Nanshan District, Shenzhen City, Guangdong Province, China Applicant after: SANECHIPS TECHNOLOGY Co.,Ltd. Address before: 2nd Floor, 2nd Floor, ZTE Industrial Park, No. 2 Xili Chuangyan Road, Xili Community, Xili Street, Nanshan District, Shenzhen City, Guangdong Province 518055 Applicant before: SANECHIPS TECHNOLOGY Co.,Ltd. Country or region before: China |
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CB02 | Change of applicant information |