本文对基于PCI 总线的数据采集系统硬件及软件设计作了详细的说明，设计出的数据采集系统可以应用于诸如数字示波器、数字频谱仪和语音识别等领域。系统采用了PCI 总线作为数据采集系统的支持总线，以TMS320C5402DSP 作为板载CPU，实现了数据的高速实时传输与处理。另外设计采用WinDriver 设计驱动程序，不但缩短了驱动程序的开发周期，而且方便了硬件调试，取得了良好的效果。关键字: PCI 总线；数据采集；DSP；Abstract: The thesis explains the DSP data collecting card based on PCI bus and software design in detail .The data collecting card can be applied to the fields such as digital oscillograph, digital spectral appearance and phonetic recognition etc. The high speed transmission and real-time processing of the data is realized through adopting PCI bus and TMS320C5402 DSP in this system. The good result is based on the shortening of development period and convenient hardware debugging while I design driver with the WinDriver.Keywords: PCI Bus; Data Acquisition; DSP
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