| 8031单片机P2口的应用研究 |
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| 引用本文： | 陈学东. 8031单片机P2口的应用研究[J]. 河北大学学报(自然科学版), 1995, 0(4) |
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| 作者姓名： | 陈学东 |
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| 作者单位： | 电子与信息工程系 |
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| 摘 要： | ８３０１单片机的Ｐ２口用来输出高位地址，其中对输出有效地址无关的口线，通常认为也不能再作一般Ｉ／Ｏ口线使用。本文介绍了几种将这些口线用作一般Ｉ／Ｏ口线的方法，并从原理上予以说明。
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| 关 键 词： | 单片机；并行I／O口；程序计数器 |
Research on Application of Port 2 of Single Chip Microcomputer 8031 |
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| Chen Xuedong. Research on Application of Port 2 of Single Chip Microcomputer 8031[J]. Journal of Hebei University (Natural Science Edition), 1995, 0(4) |
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| Authors: | Chen Xuedong |
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| Abstract: | Port 2 of Single Chip Microcomputer 8031 is used for the output of high-order address ,whereas the lines which are not related to effective address generally cannot be used as universal I / O lines. This article introduced several methods to use these lines as universal I / O lines, and explained its principle. |
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| Keywords: | Single chip microcomputer Parallel I /O port Program counter |
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