| 基于嵌入式技术的Ethernet over E1网桥系统设计 |
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| 引用本文： | 刘华珠,贺前华. 基于嵌入式技术的Ethernet over E1网桥系统设计[J]. 半导体技术, 2008, 33(10) |
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| 作者姓名： | 刘华珠 贺前华 |
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| 作者单位： | 华南理工大学电子与信息学院,广州510640;东莞理工学院电子系,广东,东莞523808;华南理工大学电子与信息学院,广州,510640 |
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| 基金项目： | 国家自然科学基金，广东省东莞市科研发展专项基金，广东省东莞市科技计划 |
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| 摘 要： | 基于Ethemet over E1的原理,结合通用嵌入式芯片的功能特点,辅以现场可编程器件,介绍了Ethemet over E1网桥系统中核心部分的设计,包括网桥的系统统构、HDLC接口模块的嵌入式程序设计和E1接口电路的FPGA设计.E1接口电路分为数据接收、时隙选择、时钟产生、数据发送四大模块,用FPGA逐一实现.有关设计经过多次软硬件联合仿真验证后,在基于嵌入式系统的网桥项目中通过了板级的功能测试和验证,取得到了较好的效果.
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| 关 键 词： | 嵌入式技术 高级数据链路控制 网桥系统 同步数字系统 |
Design of Ethernet over E1 Bridge System Based on Embedded Technology |
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| Liu Huazhu,He Qianhua. Design of Ethernet over E1 Bridge System Based on Embedded Technology[J]. Semiconductor Technology, 2008, 33(10) |
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| Authors: | Liu Huazhu He Qianhua |
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| Affiliation: | Liu Huazhu1,2,He Qianhua1 (1.School of Electronics , Information,South China University of Technology,Guangzhou 510640,China,2.Department of Electronic,Dongguan University of Technology,Dongguan 523808,China) |
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| Abstract: | Design of Ethernet over E1 bridge is introduced,including system structure,embedded program design of HDLC interface and FPGA realization of E1 interface circuit.Function feature of general embedded chip and FPGA chip are concerned.E1 interface circuit has packet receive part,time slot allocation part,clock generation part and packet transit part.After joint simulation of software and hardware,this design of Ethernet over E1 bridge has passed the PCB functional test and received good result in application. |
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| Keywords: | embedded technology HDLC bridge system SDH |
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