DMA based three-channel data acquisition

  title={DMA based three-channel data acquisition},
  author={Wang Hao-feng},
DMA is a usual way in fast data transfer at data acquisition system (DAS). This paper presents a method to acquire data of analog, serial and parallel signals simultaneously. The DAS's design based on DMA and ISA architecture and A/D convert circuit based on singlechip are introduced particularly. The method to improve the DAS is mentioned. 

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