1、 1900 单词， 1万英文字符 ,3185汉字 出处： Song Y, Feng Y, Ma J, et al. Design of LED Display Control System Based on AT89C52 Single Chip MicrocomputerJ. Journal of Computers, 2011, 6(4):718-724. Design of LED Display Control System Based on AT89C52 Single Chip Microcomputer Yongxian Song ,Yuan Feng Juanli Ma and
2、 Xianjin Zhang 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
3、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 adjuste
4、d 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 hard
5、ware and simple circuit structure. Index Terms LED, Chinese Character Display, AT89C52 I. INTRODUCTION LED display has become an important symbol of the city lighting, modernization and information society with continuous improvement and beautification of peoples living environment 6. LED lights can
6、 be seen in the large shopping malls, railway station, docks, underground station, a variety of management window and so on. LED business has become a fast-growing new industry, a huge market space and bright prospects 9. The text, pictures, animation and video are displayed by LED s light, and content can be changed. Some components are the display devices of the modular structure, and which usually consists of a display module, control system and power system. The dis
