DM6446视频处理系统的硬件电路设计  

Hardware Circuit Design of DM6446 Video Processing System

作　　者：魏雅娟[1] 

机构地区：[1]中国科学院长春光学精密机械与物理研究所,吉林长春130033

出　　处：《光机电信息》2011年第11期80-83,共4页OME Information

摘　　要：本文介绍了一种基于TI公司双核心处理器芯片TMS320DM6446的硬件电路系统。通过74AVC16T245DGGR进行逻辑电平转换,降低了成本,与传统的CPLD电平转换方法相比,可以使布板布线更加紧凑,降低硬件的设计难度,成品效果好,跟踪算法在该硬件系统运行后,其处理速度可以达到26帧/s,而DSP占用率仅为50%以下。This paper introduces a kind of circuit design based on multimedia processing chip TMS320DM6446 dual core processor produced by TI company.The logic level conversion is performed by 74AVC16T245DGGR.Without using CPLD,this scheme not only saves cost,but also makes circuit board more compact.It can reduce the difficulty of hardware design.Tracking algorithm in the circuit design can achieve processing speed with 26 frame per second,and 50% occupancy rate for DSP.

关 键 词：DM6446 74AVC16T245DGGR 硬件设计 

分 类 号：TP394.1[自动化与计算机技术—计算机应用技术] TH691.9[自动化与计算机技术—计算机科学与技术]