CN113491082A - 一种数据处理装置 - Google Patents

一种数据处理装置 Download PDF

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Publication number
CN113491082A
CN113491082A CN201980093220.4A CN201980093220A CN113491082A CN 113491082 A CN113491082 A CN 113491082A CN 201980093220 A CN201980093220 A CN 201980093220A CN 113491082 A CN113491082 A CN 113491082A
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clock signal
clock
signal
circuit
synchronous
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CN113491082B (zh
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胡敏杰
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

本申请提供了一种数据处理装置，该数据处理装置包括第一时钟频率合成电路、第二时钟频率合成电路和同步处理电路，第一时钟频率合成电路和第二时钟频率合成电路分别用于利用母时钟信号对第一时钟域和第二时钟域的时钟信号进行时钟同步，产生第一同步时钟信号和第二同步时钟信号，同步处理电路利用第一同步时钟信号控制缓存电路的数据写入，并利用第二同步时钟信号同步地控制缓存电路的数据读出，以实现跨时钟域数据传递延时固定。本申请还提供一种数据处理装置，该数据处理装置通过利用第二时钟信号对第一时钟信号进行时钟同步，从而实现采用同步处理电路进行跨时钟域数据传递，也能实现跨时钟域传输延时固定。

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PCT国内申请，说明书已公开。

Claims (13)

  1. PCT国内申请，权利要求书已公开。
CN201980093220.4A 2019-02-28 2019-02-28 一种数据处理装置 Active CN113491082B (zh)

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PCT/CN2019/076562 WO2020172871A1 (zh) 2019-02-28 2019-02-28 一种数据处理装置

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CN113491082A true CN113491082A (zh) 2021-10-08
CN113491082B CN113491082B (zh) 2022-11-18

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CN112698363B (zh) * 2020-12-29 2024-04-16 成都国星通信有限公司 一种北斗抗干扰天线高精度数据采集方法及采集电路
US11532338B1 (en) 2021-04-06 2022-12-20 Habana Labs Ltd. Mediating between asynchronous clock domains while preventing false indications of FIFO occupancy

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040250151A1 (en) * 2001-07-09 2004-12-09 Torsten Abendroth Status indication detection and device and method
US7248661B1 (en) * 2003-08-26 2007-07-24 Analog Devices, Inc. Data transfer between phase independent clock domains
US7352836B1 (en) * 2001-08-22 2008-04-01 Nortel Networks Limited System and method of cross-clock domain rate matching

Family Cites Families (4)

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Publication number Priority date Publication date Assignee Title
CN100525173C (zh) * 2004-02-18 2009-08-05 华为技术有限公司 一种通信设备中实现主备时钟相位对齐的方法
CN101043315B (zh) * 2006-06-12 2011-08-03 华为技术有限公司 一种网络时钟同步装置、系统及方法
CN101478308B (zh) * 2009-01-13 2011-03-30 北京时代民芯科技有限公司 基于延时锁定环的可配置频率合成电路
CN102843164A (zh) * 2012-08-27 2012-12-26 中国科学院国家授时中心 超宽带室内定位系统发射时序控制方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040250151A1 (en) * 2001-07-09 2004-12-09 Torsten Abendroth Status indication detection and device and method
US7352836B1 (en) * 2001-08-22 2008-04-01 Nortel Networks Limited System and method of cross-clock domain rate matching
US7248661B1 (en) * 2003-08-26 2007-07-24 Analog Devices, Inc. Data transfer between phase independent clock domains

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
杨莉，舒军，焦启民: "单片机总线上多时钟域下数据传递的可靠性研究", 《湖北大学学报(自然科学版)》 *

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CN113491082B (zh) 2022-11-18
WO2020172871A1 (zh) 2020-09-03

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