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提出一种基于LPC2142的具有USB(通用串行总线)接口的高速数据采集卡的设计方案,对基于ARM7处理器LPC2142和FPGA器件的软硬件设计作了介绍。该设计方案解决了高速实时信号与接口总线之间的速度兼容问题,即插即用,具有较高的实用价值。
A design scheme of high speed data acquisition card with USB (Universal Serial Bus) interface based on LPC2142 is proposed. The hardware and software design based on LPC2142 and FPGA of ARM7 processor is introduced. The design solution to the high-speed real-time signals and interface bus speed compatibility issues, plug and play, with high practical value.