Characters and Images VGA Display System Based on SOPC Technology

JIANG Man; WU Zhi-yong; CAO Teng

doi:10.3788/YJYXS20132801.0120

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Characters and Images VGA Display System Based on SOPC Technology

更新时间：2020-08-12

- Characters and Images VGA Display System Based on SOPC Technology
- Chinese Journal of Liquid Crystals and Displays Vol. 28, Issue 1, Pages: 120-126(2013)
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所,吉林长春,中国,130033
  2. 中国科学院大学北京,中国,100049
  3. 浙江大学信息与通信工程研究所,浙江杭州,310027
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20132801.0120
  CLC： TN911.73
- Received：14 May 2012，
  
  Revised：08 October 2012，
  
  Published：15 February 2013
- 稿件说明：
移动端阅览
姜漫, 吴志勇, 曹腾. 基于SOPC技术的VGA字符和图像显示系统[J]. 液晶与显示, 2013,(1): 120-126

JIANG Man, WU Zhi-yong, CAO Teng. Characters and Images VGA Display System Based on SOPC Technology[J]. , 2013,(1): 120-126
姜漫, 吴志勇, 曹腾. 基于SOPC技术的VGA字符和图像显示系统[J]. 液晶与显示, 2013,(1): 120-126 DOI： 10.3788/YJYXS20132801.0120.

JIANG Man, WU Zhi-yong, CAO Teng. Characters and Images VGA Display System Based on SOPC Technology[J]. , 2013,(1): 120-126 DOI： 10.3788/YJYXS20132801.0120.

摘要

为解决VGA显示系统因基于计算机或专用芯片而不易携带和更改的局限性

采用可实现用户自定制内核功能的SOPC技术

完成PS/2键盘控制下VGA字符和图像显示系统设计。在FPGA中构建32位NIOS Ⅱ内核

C语言编写主程序

采用AVALON总线连接外设驱动控制器和基本PIO接口

连同VGA时序模块与缓存器组成的VGA控制器

实现系统软件;基本硬件电路、外部存储芯片、PS/2键盘、VGA接口和串口电路构成硬件平台。系统最终实现SOPC内核移植和在PS/2键盘控制下由CRT显示器显示字符和图片的功能。

Abstract

To solve the localization that VGA display system based on computer or ASIC lacks portability and modification

a novel VGA display system to display any characters and images was designed under PS/2 keyboard control

which is based on user custom kernel SOPC technology. In FPGA

a 32-bits NIOS Ⅱ hardcore was built

main program was compiled with C language

and a AVALON BUS was used to connect the external drive controller and basic PIO interface

combined with VGA controller which composed by VGA timing module and buffers

the software part was completed through the above. Hardware platform is consisted of basic hardware circuit

external memory chips

PS/2 keyboard

VGA interface and UART circuit. The system finally achieved the migration of SOPC kernel and function of displaying character and image on CRT monitor under PS/2 keyboard control.

关键词

Keywords

references

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郭小清,谢忠红.一种基于AVALON总线的VGA控制器的设计与实现 [J]. 科学技术与工程, 2010,10(13):3236-3240.

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