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本文介绍了以HADC574Z(或AD16 74J)为核心的基于PC BUS的通用可编程A/D转换组件的原理 ,介绍了A/D转换组件的设计方法、工作方式、时序分析及其注意事项 ,对于特殊的可编程I/O组件和智能接口卡的设计具有借鉴意义
This paper introduces the principle of universal programmable A / D converter based on PC BUS with HADC574Z (or AD16 74J) at the core, introduces the design method, working mode, timing analysis and precautions of A / D converter. Special programmable I / O components and intelligent interface card design reference