基于CPLD的LED显示屏扫描控制模块的设计

Design of The Scanning Control Module of LED Screen Based on CPLD

基于AT89S52单片机和ATF1508AS可编程逻辑器件实现LED显示屏的硬件设计。采用Verilog HDL对ATF1508AS进行编程,实现LED显示屏扫描控制模块的硬件描述语言程序设计。ATF1508AS的应用,简化了LED显示屏的系统结构,提高了显示屏的刷新率。

The LED screen system is implemented based on AT89S52 and ATF1508AS. Verilog HDL program of the scanning controlling module of LED screen is implemented based on ATF1508AS chip. The using of ATF1508AS makes the LED screen system simpler and improves the scanning rate.