| 物流终端多串口扩展的设计 |
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| 引用本文： | 雷建龙. 物流终端多串口扩展的设计[J]. 国外电子元器件, 2007, 0(6): 65-67 |
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| 作者姓名： | 雷建龙 |
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| 作者单位： | 武汉船舶职业技术学院,电子系,湖北,武汉,430050 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 详述了多串口扩展通信子板设计方案,选用PC/104并口总线通过并/串转换器TL16C554实现4个串口的扩展设计,介绍了TL16C554的内部结构及外部特性,给出了扩展模块并进行了分析说明.
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| 关 键 词： | 串口扩展 通信 TL16C554 读写器 GPRS CDMA PC/104总线 |
| 文章编号： | 1006-6977（2007）06-0065-03 |
| 收稿时间： | 2007-03-12 |
| 修稿时间： | 2007-03-12 |
Design about the extension of multi-serial port in the physical distribution terminal |
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| LEI Jian-long. Design about the extension of multi-serial port in the physical distribution terminal[J]. International Electronic Elements, 2007, 0(6): 65-67 |
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| Authors: | LEI Jian-long |
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| Affiliation: | Department of Electronics, Wuhan Institute of Shipbuilding Technology, Wuhan 430050,China |
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| Abstract: | The design of the extending a daughter board of multi-serial port is described,in which the LPT/COM converter TL16C554 is selected to extend 4 serial ports by connecting to the PC/104 bus. The construction and features of TL16C554 is analyzed, and the extension circuit is also given. |
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| Keywords: | serial port extension communication TL16C554 reader GPRS CDMA PC/104 bus |
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