| 基于USB的嵌入式系统微型打印机接口设计 |
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| 引用本文： | 谢彩云,滕召胜,林海军.基于USB的嵌入式系统微型打印机接口设计[J].计算机测量与控制,2009,17(6). |
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| 作者姓名： | 谢彩云 滕召胜 林海军 |
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| 作者单位： | 湖南大学,电气与信息工程学院,湖南,长沙,410082 |
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| 摘 要： | 针对与日俱增的嵌入式系统的打印需求,设计了一种以USB总线通用接口芯片CH375A为USB主机控制芯片、以低功耗16位单片机MSP430F449为主机控制器的USB微型打印机接口模块,介绍了基于USB的微型打印机接口工作原理,论述了MSP430F449单片机通过CH375A控制USB微型打印机的硬件电路及其电磁兼容设计,给出了USB微型打印机枚举、数据同步、数据批量传输等软件设计方法;实际应用表明,USB微型打印机使用方便,接口模块抗干扰能力强、可靠性高.
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| 关 键 词： | 微型打印机 USB接口 嵌入式系统 |
Design of Micro-printer Interface Based on USB |
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| Xie Caiyun,Teng Zhaosheng,Lin Haijun.Design of Micro-printer Interface Based on USB[J].Computer Measurement & Control,2009,17(6). |
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| Authors: | Xie Caiyun Teng Zhaosheng Lin Haijun |
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| Affiliation: | College of Electrical and Information Engineering;Hunan University;Changsha 410082;China |
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| Abstract: | To meet the increasing demand of printing in embedded system,in this paper,a USB micro-printer interface module is designed by using CH375A,a universal USB interface chip,as the USB Host control chip and MSP430F449 with low power as USB host controller.Firstly,the working principle of the micro-printer interface based on USB is introduced.And then the hardware design of this module,considering the EMC,is discussed.Finally,the software design method,such as the emulation of USB micro-printer,the data synchro... |
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| Keywords: | MSP430F449 CH375A |
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