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ADS6148有14位数据宽度,采用DDR LVDS接口传输数字数据,一共有7对差分信号。我在XILINX的SPARTAN6数据手册中,找到了明确的支持DDR LVDS和SDR LVDS接口的描述。但是在CYCLONE4的器件手册中却没有找到明确的支持DDR LVDS的描述,只是说支持LVDS。我熟悉ALTERA的FPGA,想使用cyclone4,但是不知道能否支持DDR LVDS。哪位能给我解答,谢谢了!!!