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计算机工程 ›› 2008, Vol. 34 ›› Issue (14): 225-227. doi: 10.3969/j.issn.1000-3428.2008.14.080

• 工程应用技术与实现 • 上一篇    下一篇

龙芯2E北桥的显示控制器设计及性能分析

郭学枫1,3,孙凯军2,3,张 斌2,3,胡明昌2,3   

  1. (1. 长春理工大学光电工程学院,长春 130022;2. 中国科学院计算技术研究所,北京 100080;3. 江苏中科龙梦科技有限公司,常熟 215500)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2008-07-20 发布日期:2008-07-20

Design and Performance Analysis of Display Controller of Northbrigde for Godson-2E

GUO Xue-feng1,3, SUN Kai-jun2,3, ZHANG Bin2,3, HU Ming-chang2,3   

  1. (1. School of Photo-electronic Engineering, Changchun University of Science and Technology, Changchun 130022; 2. Institute of Computing Technology, Chinese Academy of Sciences, Beijing 100080; 3. Jiangsu Lemote Tech. Co., Ltd., Changshu 215500)
  • Received:1900-01-01 Revised:1900-01-01 Online:2008-07-20 Published:2008-07-20

摘要: 为了以最优的资源、最少的带宽,实现龙芯系统中可用的显示控制器,介绍一种集成了显示控制器的龙芯2E北桥及显示控制器的设计和实现,并讨论了测试数据分析和性能优化工作。测试结果表明,集成了简单的显示控制器的龙芯2E系统完全能满足低端应用的要求。

关键词: 显示控制器, 北桥, 龙芯, Wishbone总线

Abstract: In order to use the best resources and the lowest bandwidth to achieve Godson system available display controller, this paper focuses on the integrated display controller of northbrigde for Godson-2E and the design and realization of display controller, and discusses the test data analysis and the performance optimization work. Test results indicate that a simple display controller of the Godson-2E system fully meets the requirements of low-end application.

Key words: display controller, northbridge, Godson-processor, Wishbone bus

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