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数字存储示波器中DSP的自举方法

DSP Bootload in Digital Storage Oscilloscope
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摘要 分析了TMS320VC5409芯片自举加载器(Bootloader)的工作原理和自举(Bootload)的实现方法。根据某数字存储示波器(Digital storage oscilloscope,DSO)系统结构的特殊性,分别通过16位数据段传输法和"二次下载法"实现了其DSP控制核心的16位并行加载自举,并对两种方法的优缺点和适用范围进行了讨论。 The operating principle of the bootloader and the implement method for bootload of TMS320VC5409 are analyzed. According to the characteristic of a digital storage oscilloscope （DSO）, the bootload of DSP is realized with two methods, called the 16-Bit-Word parallel boot mode of data space and ＂twice download mode＂. The advantages of the two modes and the suitable applications are also discussed.
作者 周晋 王成华
机构地区 南京航空航天大学信息科学与技术学院
出处 《数据采集与处理》 CSCD 北大核心 2007年第3期384-390,共7页 Journal of Data Acquisition and Processing
关键词 自举加载 数字存储示波器 16位并行加载 二次下载法 bootload digital storage oscilloscope 16-bit-word parallel boot twice download mode
分类号 TN47 [电子电信—微电子学与固体电子学] TN431.1 [电子电信—微电子学与固体电子学]
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参考文献11

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数据采集与处理
2007年 第3期

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