基于WGS28118的EOS设备硬件设计  

Hardware design of EOS based on WGS28118

作　　者：汪洋[1] 

机构地区：[1]武汉邮电科学研究院研究生院,湖北武汉430074

出　　处：《中国电子商情（通信市场）》2008年第1期16-20,共5页

摘　　要：本文主要介绍了WGS288118这款EOS芯片及其主要功能结构，并围绕这款芯片设计出一款高性能功能强大的EOS接入设备。重点详述了硬件总体设计思路及框图、关键电路设计、网管接口设计、前面板布局设计等主要部分。在关键电路设计部分，分为电源设计方案、SDRAM外围电路、FPGA外围电路、MCU外围电路进行详细叙述。最后对此设计的意义做了总结。This article describes that the WGS28118 chip and its main function, and a high-performance and powerful EOS access equipment is based on the chip. Focus on the detailed hardware design ideas and frame, the key circuit design, network management interface design, Interface design layout of the main part. In the part of the key circuit design, power supply design, SDRAMexternal circuit, the external FPGA circuits, MCU peripheral circuits are described in detail. Finally the significance of this design was concluded.

关 键 词：EOS LCAS VCAT LAPS GFP 

分 类 号：TP393.11[自动化与计算机技术—计算机应用技术] TP368.1[自动化与计算机技术—计算机科学与技术]