【摘要】 本文介绍了一种集A/D转换、D/A转换、定时器/计数器及DI/DO于一体的多功能PC总线计算机接口卡的设计原理与结构。这块接口卡是在存储测试技术中长期使用的数据传输接口卡的基础上加以改进扩充而制成的。本卡具有功能强、软件丰富、成本低、使用方便等特点。更多还原

【Abstract】 This paper introduces the designing principle and construction of a multipurpose PC BUS computer interface card, which unites A/D converter, D/A converter, timer/counter and DI/DO. This card is made after the data transmitting interface card, long adopted in the memorized measuring and testing technology, is developed and enlarged. It has the feature of powerful functions, rich softwares, low cost and easy application.更多还原