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探讨了高速数据采集系统中高速采样缓存的重要性和实现途径 ,阐述了基于ADSP -21065L的并行多通道数据采集板上高速采样缓存的设计与电路结构 ,给出了采用FPGA实现通道复用和采样数据预处理 ,从而构造16MB的SDRAM海量缓存以将高速缓存中的多批次采样数据经AD SP -21065L倒入SDRAM存储的实现方法
The importance and realization of high-speed sampling buffer in high-speed data acquisition system are discussed. The design and circuit structure of high-speed sampling buffer on parallel multi-channel data acquisition board based on ADSP-21065L are described. Sample Data Preprocessing to Construct a 16MB SDRAM Mass Cache for Pouring Multiple Batches of Sample Data in Cache into SDRAM Storage via AD SP -21065L