随着DSP技术的普及、高性能DSP芯片的出现,DSP已越来越多地被广大的工程师所接受,并越来越广泛地应用于各个领域。介绍一种基于TMS320C5402 DSP芯片,结合双向缓冲器74F245和A/D转换芯片TLC5510的视频图像数据采集电路。DSP发出信号,经触发器启动A/D转换器并读取A/D转换结果,达到视频图像数据采集的目的。电路结构简洁、成本低、易于实现,能够满足图像采集的需要。
With the popularity of DSP technology, the emergence of high- performance DSP chips, DSP has increasingly been accepted by the vast numbers of engineers and increasingly being used in various fields. This article, based on TMS320C5402 DSP chip, with double -flowed buffer 74F245 and the A/D converter chip TLC5510,introduces a circuit of collecting video image data. DSP start A/D converter and read A/D conversion results,it can achieve video image data acquisition purpose. This circuit is simple,low cost, easy to implement and can achieve the objects of colleting video image data.