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文中在简要介绍EPP与STD总线的基础上,提出利用EPP并行口连接STD总线系统的方案,详细阐述了EPP至STD总线信号转换的电路设计,并给出了基于虚拟仪器的软件设计实例,对工程设计具有实用参考价值。
Based on the brief introduction of EPP and STD bus, a scheme of using EPP parallel port to connect STD bus system is proposed in this paper. The circuit design of signal conversion from EPP to STD bus is described in detail, and the software design example based on virtual instrument is given. Engineering design has practical reference value.