CN101562450B - 逐位逼近延迟锁相环电路以及调整时钟信号的方法 - Google Patents
逐位逼近延迟锁相环电路以及调整时钟信号的方法 Download PDFInfo
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Abstract
Description
restart | 0 | 1(有效,有效的赋值根 据需要确定,这里设置为1) |
Stop | x | 1 |
ld | x | 0 |
comp | 变化 | 不变 |
首次锁ctrl2= 101010 | |||||||
有误差需要调整为 110101 | |||||||
此时延 时还未 足够增 大 | 此时延 时还未 足够增 大 | 此时延 时还未 足够增 大 | 此时延 时还未 足够增 大 | 此时延 时已经 足够增 大 | 此时延迟已经超出真 实值,从确立的倒数 第5位开始调整误 差,方法类似首次锁 定 | ||
Clk | ① | ② | ③ | ④ | ⑤ | ⑥ | |
Comp | 1 | 1 | 1 | 1 | 1 | 0 | |
取决于comp | Ctrl2 | 101011 | 101011 | 101111 | 101111 | 111111 | 110000 |
由rn和sn作用产生 | Ctrl1 | 101011 | 101010 | 101100 | 101000 | 110000 | 110000 |
首次锁定时 ctrl2=101010 | ||||||
有误差需要 调整为 100101 | ||||||
此时延时还 未足够减小 | 此时延时 还未足够 减小 | 此时延时 还未足够 减小 | 此时延时 还未足够 减小 | 此时延时已 经够减小 | 此时延迟已经小 于真实值,从确立 的倒数第4位开始 调整误差,方法类 似首次锁定 | |
Clk | ① | ② | ③ | ④ | ⑤ | |
Comp | 0 | 0 | 0 | 0 | 1 | |
取决于comp | Ctrl2 | 101010 | 101000 | 101000 | 100000 | 101000 |
由rn和sn共 同作用产生 | Ctrl1 | 101011 | 101010 | 101100 | 101000 | 101000 |
Claims (8)
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CN200810104174.7A CN101562450B (zh) | 2008-04-16 | 2008-04-16 | 逐位逼近延迟锁相环电路以及调整时钟信号的方法 |
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CN101562450A CN101562450A (zh) | 2009-10-21 |
CN101562450B true CN101562450B (zh) | 2012-07-18 |
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Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101764125B (zh) * | 2010-01-07 | 2012-01-11 | 中国科学院计算技术研究所 | 超速时延测试系统及测试方法 |
CN102571041B (zh) * | 2010-12-22 | 2015-02-04 | 上海华虹宏力半导体制造有限公司 | 检测电路延时和时序的方法及采用该方法校准延时的方法 |
CN103378848B (zh) * | 2012-04-26 | 2016-03-30 | 华为技术有限公司 | 一种采样时钟的选择方法及装置 |
CN103684432B (zh) * | 2013-12-05 | 2016-06-08 | 龙芯中科技术有限公司 | 多相位时钟产生系统的时钟锁定方法及装置 |
CN104579320B (zh) * | 2014-12-26 | 2018-09-18 | 浙江大学 | 时钟延迟方法、装置、延迟锁相环及数字时钟管理单元 |
CN104660240B (zh) * | 2015-01-04 | 2017-09-15 | 北京化工大学 | 超速时延测试时钟生成器 |
CN104617947A (zh) * | 2015-02-12 | 2015-05-13 | 合肥学院 | 一种改进型全数字逐次逼近寄存器延时锁定环系统 |
CN105406858A (zh) * | 2015-12-11 | 2016-03-16 | 合肥学院 | 一种全数字逐次逼近寄存器延时锁定环 |
CN114696822B (zh) * | 2020-12-29 | 2024-06-07 | 宸芯科技股份有限公司 | 相位调谐装置 |
CN113037278A (zh) * | 2021-03-16 | 2021-06-25 | 重庆百瑞互联电子技术有限公司 | 一种优化延迟锁定电路的方法、装置及存储介质 |
CN113076276B (zh) * | 2021-03-18 | 2023-03-14 | 四川和芯微电子股份有限公司 | Sdo数据相位可调节的spi从机接口 |
CN113659979B (zh) * | 2021-08-20 | 2024-07-05 | 长江存储科技有限责任公司 | 延迟锁相环及其延迟线锁定方法、装置、介质及系统 |
CN116192128B (zh) * | 2023-05-04 | 2023-07-25 | 泛升云微电子(苏州)有限公司 | Σ-δ调制器、芯片及相位调整方法 |
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EP0326007A2 (en) * | 1988-01-28 | 1989-08-02 | Siemens Aktiengesellschaft | Center frequency high resolution digital phase-loop circuit |
US6097244A (en) * | 1998-12-17 | 2000-08-01 | Centillium Communications, Inc. | Highly-linear continuous-time filter for a 3-volt supply with PLL-controlled resistor and digitally-controlled capacitor |
US6621315B2 (en) * | 2001-11-07 | 2003-09-16 | Samsung Electronics Co., Ltd. | Delay locked loop circuit and method having adjustable locking resolution |
CN1578149A (zh) * | 2003-06-27 | 2005-02-09 | 海力士半导体有限公司 | 延迟锁定环路及其驱动方法 |
CN1691510A (zh) * | 2004-04-27 | 2005-11-02 | 华为技术有限公司 | 锁相环检测装置 |
CN1767055A (zh) * | 2004-10-29 | 2006-05-03 | 海力士半导体有限公司 | 延迟锁定回路及其锁定方法 |
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2008
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Patent Citations (6)
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EP0326007A2 (en) * | 1988-01-28 | 1989-08-02 | Siemens Aktiengesellschaft | Center frequency high resolution digital phase-loop circuit |
US6097244A (en) * | 1998-12-17 | 2000-08-01 | Centillium Communications, Inc. | Highly-linear continuous-time filter for a 3-volt supply with PLL-controlled resistor and digitally-controlled capacitor |
US6621315B2 (en) * | 2001-11-07 | 2003-09-16 | Samsung Electronics Co., Ltd. | Delay locked loop circuit and method having adjustable locking resolution |
CN1578149A (zh) * | 2003-06-27 | 2005-02-09 | 海力士半导体有限公司 | 延迟锁定环路及其驱动方法 |
CN1691510A (zh) * | 2004-04-27 | 2005-11-02 | 华为技术有限公司 | 锁相环检测装置 |
CN1767055A (zh) * | 2004-10-29 | 2006-05-03 | 海力士半导体有限公司 | 延迟锁定回路及其锁定方法 |
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