Implementation of LCD Display with IP-Based SOPC Technology

LIU Min; DAI Shu-guang; MU Ping-an

doi:10.3788/YJYXS20112605.0665

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Implementation of LCD Display with IP-Based SOPC Technology

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- Implementation of LCD Display with IP-Based SOPC Technology
- Chinese Journal of Liquid Crystals and Displays Vol. 26, Issue 5, Pages: 665-672(2011)
- 作者机构：
  
  上海理工大学光电信息与计算机工程学院上海,200093
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20112605.0665
  CLC： TP391
- Received：10 March 2011，
  
  Revised：12 May 2010，
  
  Published Online：20 October 2011，
  
  Published：20 October 2011
- 稿件说明：
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尹传历, 孙丽娜, 韩松伟, 刘仲宇, 李志强. 基于暗原色先验的嵌入式图像增强系统[J]. 液晶与显示, 2011,26(5): 673-676

YIN Chuan-li, SUN Li-na, HAN Song-wei, LIU Zhong-yu, LI Zhi-qiang. Embedded Image Enhancement System Based on Dark Channel Prior[J]. , 2011,26(5): 673-676
尹传历, 孙丽娜, 韩松伟, 刘仲宇, 李志强. 基于暗原色先验的嵌入式图像增强系统[J]. 液晶与显示, 2011,26(5): 673-676 DOI： 10.3788/YJYXS20112605.0665.

YIN Chuan-li, SUN Li-na, HAN Song-wei, LIU Zhong-yu, LI Zhi-qiang. Embedded Image Enhancement System Based on Dark Channel Prior[J]. , 2011,26(5): 673-676 DOI： 10.3788/YJYXS20112605.0665.

摘要

设计了ST7920系列12864液晶显示模组符合Avalon MM接口规范的IP核

建立了基于NiosⅡ的SOPC系统

实现了液晶屏的图形与字符显示。按照开发流程详细介绍了系统设计步骤与关键技术

其中LCD12864 IP核的硬件设计部分采用Verilog HDL编写并遵循Altera所建议的Avalon信号类型最新命名规则

LCD12864 IP核的软件设计部分给出了详细的C语言驱动代码与程序说明

并给出了图形显示的应用程序范例。对所设计的SOPC系统进行了实验验证

得到了理想的效果。

Abstract

An IP core of ST7920 series 12864 LCM was designed meeting the Avalon MM interface specification

an NiosⅡ-based SOPC system was set up and the graphical and character display of LCD were realized. The system design and key technologies were introduced step by step following the sequence of development process. The hardware design of LCD12864 IP core was written in Verilog HDL

following the newest signal naming conventions for automatic type and interface recognition suggested by Altera

while detailed C driver code and program specifications were provided in the software design of LCD12864 IP core. An application program example of graphical display was also provided. The IP-based SOPC system has been proved feasible according to the actual experiment performances which get the desired results.

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references

林振营, 马刚. 基于NiosⅡ的SOPC嵌入式系统开发解决方案 [J]. 现代电子技术, 2007, 30(6):79-81.[2] 方茁, 陈卓文,彭澄廉. SOPC设计中的用户自定义逻辑 [J]. 计算机工程, 2004, 30(17):42-44.[3] 舒鑫, 郭其一. ST7920点阵式液晶显示模块的应用研究和编程 [J]. 液晶与显示, 2007, 22(2):192-196.[4] Altera Corporation. Avalon Interface Specifications Version 1.3 . . http//:www.altera.com.cn/literature/manual/mnl_avalon_spec.pdf.[5] 侯长宏, 袁慧梅. 基于SOPC的NiosⅡ与液晶模块接口及程序设计 [J]. 液晶与显示, 2008, 23(3):307-311.[6] 台湾矽创电子公司. ST7920 Specification Version 4.0 . . http://www.sitronix.com.tw/sitronix/SASpecDoc.nsf/FileDownload/ST7920713600/$FILE/ST7920V40_E.pdf.[7] 重庆育松电子. 液晶显示模块QC12864B使用说明书 . 重庆,2008.[8] Altera Corporation. SOPC Builder User Guide Version 1.0 . . http//:www.altera.com.cn/literature/ug/ug_sopc_builder.pdf.[9] Altera Corporation. Embedded Peripherals IP User Guide . . http//:www.altera.com.cn/literature/ug/ug_embedded_ip.pdf.

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