摘要
目前液晶显示器(Liquid Crystal Display)广泛应用在各种电子设备中,是人机交换信息必不可少的设备。介绍一种基于ALTERA公司FPGA内嵌Niosii软核嵌入式系统平台,利用SG-DMA和视频同步信号发生器组件来控制液晶显示器的方法。这种控制液晶显示器的方法使液晶显示器的显存和CPU共用1片SDRAM芯片,不但节约1片显存SDRAM芯片,而且省去LCD液晶驱动芯片,即降低功耗和成本,又提高了控制速度,能够应用到各种需要液晶显示的仪器设备中。
Liquid crystal display is widely applied to the electronic equipment, which is necessary in the exchange of information between human and computer. It provides a method that is based on FPGA embedded with Niosii IP core embedded system platform, by using SG-DMA and video synchronization signal generator to control the LCD module. This method makes LCD and CPU to share a single SDRAM. So a memory SDRAM chip, as well as a LCD driver chip is saved, which not only reduces power consumption and cost, but also increases speed of control. It can be used in other LCD equipment.
出处
《黑龙江工程学院学报》
CAS
2013年第1期51-54,共4页
Journal of Heilongjiang Institute of Technology
基金
黑龙江省教育厅科学技术研究项目(12513067)
