The method to implement data buffer and logical control of the data transfer through FPGA was introduced, and the design of the interface between FPGA and AD9240 was also shown up.
对如何用FPGA实现该数据采集系统的数据缓存和数据传输的逻辑控制，以及FPGA与AD9240的接口设计等给出了详细说明。
The way of data transfer in DMA mode, control method of logical programmable device and design of driver program are discussed to solve the key point of sequential transmission.
给出DMA工作方式下数据传输的设计方法，可编程逻辑器件的控制逻辑和驱动程序设计，解决了数据传输连续性的关键问题。
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