Volume 6 Number 4 (Apr. 2011)
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JCP 2011 Vol.6(4): 718-724 ISSN: 1796-203X
doi: 10.4304/jcp.6.4.718-724

Design of LED Display Control System Based on AT89C52 Single Chip Microcomputer

Yongxian Song, Yuan Feng, Juanli Ma, Xianjin Zhang
The Institute of Electronic Engineering Huaihai Institute of Technology Lianyungang , China

Abstract—This paper introduces display design process about hardware and software based on AT89C52 single chip microcomputer. We use a simple external circuit to control the display screen, which size is 32 × 192. The display screen also can display the size of the six 32 × 32 dot matrix Chinese characters by a dynamic scan mode, and can be divided into two small display screen, which can display twenty-four Chinese characters whose size is 16×16. We can modify the code to change the content of the display, subtitles can achieve scrolling function and the scroll speed can be adjusted according to requirements, subtitles can also achieve pause function. The Chinese character code stored in external data memory, the capacity of data memory is expanded according to the requirements of Chinese characters we want to show. This display screen has advantages of small volume, few hardware and simple circuit structure.

Index Terms—LED, Chinese Character Display, AT89C52

[PDF]

Cite: Yongxian Song, Yuan Feng, Juanli Ma, Xianjin Zhang, "Design of LED Display Control System Based on AT89C52 Single Chip Microcomputer," Journal of Computers vol. 6, no. 4, pp. 718-724, 2011.

General Information

ISSN: 1796-203X
Abbreviated Title: J.Comput.
Frequency: Monthly
Editor-in-Chief: Prof. Liansheng Tan
Executive Editor: Ms. Nina Lee
Abstracting/ Indexing: DBLP, EBSCO,  ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, CNKI,etc
E-mail: jcp@iap.org
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