JESD204C同步算法研究  

Research on JESD204C Synchronization Algorithm

作　　者：代苏杰 杨定坤 阳江平 耿建强 DAI Sujie;YANG Dingkun;YANG Jiangping;GEN Jianqiang(Chengdu Corpro Technology Co.,Ltd.,Chengdu 610000,China)

机构地区：[1]成都振芯科技股份有限公司,四川成都610000

出　　处：《自动化与信息工程》2025年第2期18-24,共7页Automation & Information Engineering

摘　　要：JESD204B接口协议的链路同步是在建链之初基于特殊码字完成,建链完成后,同步过程即结束;而JESD204C接口协议是依据链路实时传输的同步码来实现同步,且同步检测不仅在初始建链时起作用,在建链完成后也会实时跟踪,确认链路是否正常。首先,比较JESD204C、JESD204B接口协议的同步差异;然后,在解析JESD204C接口协议同步理论的基础上,提出一种并行同步头查找算法;最后,基于MATLAB编写算法仿真代码,仿真结果表明该算法可行有效。The link synchronization of JESD204B interface protocol is completed based on special codewords at the beginning of link building,and the synchronization process ends after the link building is completed;The JESD204C interface protocol achieves synchronization based on the synchronization code transmitted in real-time by the link,and synchronization detection not only plays a role during the initial link establishment,but also tracks in real-time after the link establishment is completed to confirm whether the link is normal.Firstly,compare the synchronization differences between JESD204C and JESD204B interface protocols;Then,based on the analysis of JESD204C interface protocol synchronization theory,a parallel synchronization header lookup algorithm is proposed;Finally,algorithm simulation code was written based on MATLAB,and the simulation results showed that the algorithm is feasible and effective.

关 键 词：JESD204C接口协议 JESD204B接口协议 同步算法 并行同步头查找 链路同步 

分 类 号：TN914.3[电子电信—通信与信息系统] TP302.1[电子电信—信息与通信工程]