介绍了一种基于USB 总线接口卡系统,利用此卡上预留的几种常用接口,用户板可以非常方便的通过USB 总线与计算机交换数据。关键词:USB CPLD PDIUSBD12 总线Abstract: A kind of interface card based on USB is introduced. It is highly advantageous to users exchanging data between users’ card and computer through some interfaces reserved in the card .Keyword: USB CPLD PDIUSBD12 bus
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