| 基于TM7705的高精度AD转换称重器在水泥包装机中的应用 |
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| 引用本文： | 王蕾,李桂德.基于TM7705的高精度AD转换称重器在水泥包装机中的应用[J].化工文摘,2010(10):3-5. |
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| 作者姓名： | 王蕾 李桂德 |
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| 作者单位： | [1]唐山学院信息工程系,河北唐山063000 [2]唐山市市政建设总公司,河北唐山063000 |
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| 摘 要： | 介绍了以251系列单片机为控制核心的水泥称重器，在AD数据采集转换器部分采用了16位高精度转换器TM7705芯片，并采用数码管驱动芯片CH451为显示模块发送串行数据和采用优先编码器74LSl48芯片为键盘请求扩展中断口。
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| 关 键 词： | TM7705 单片机 数据采集 |
The Application of High-precision AD Converter Based on TM7705 In Cement Packing Machine |
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| Authors: | Wang Lei Li Gui-de |
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| Affiliation: | 1. Department of information engineering Tangshan College, Tang shan 063000,China; 2. Tangshan Municipal Construction Corporation Tang shan 063000,China) |
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| Abstract: | This design is introduced to 51 series rrficrocontroller as the core to control the cement says devices, AD converter in the data collection part of a 16-bit precision using converter TM7705 chip, and driven by the digital conlrol chip CH451 send serial data for the display module and the use of priority encoder 74LS 148 chip for the keyboard interrupt request for port expansion. |
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| Keywords: | TM7705 Mcu Data collection |
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