| 基于MSP430单片机的以太网供电设备的硬件设计 |
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| 引用本文： | 王平,余刚,胡向东,袁李.基于MSP430单片机的以太网供电设备的硬件设计[J].重庆邮电学院学报(自然科学版),2007(2). |
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| 作者姓名： | 王平 余刚 胡向东 袁李 |
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| 作者单位： | 重庆邮电大学网络控制技术与智能仪器仪表重点实验室 重庆400065 |
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| 摘 要： | 网络供电是EPA的关键技术之一。介绍了IEEE802.3af标准,分析了以太网供电设备的功能需求和总体设计。选用MSP430F148单片机和TPS2383A以太网供电电源管理器,基于I~2C-BUS通信规范,开发了符合IEEE802.3af标准以太网供电设备,着重论述了该以太网供电设备的硬件实现过程,最后给出了该供电设备在EPA系统中的应用实例。
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| 关 键 词： | IEEE802.3af 以太网供电设备 MSP430F148 TPS2383A I~2C-BUS 硬件设计 EPA |
Hardware design of PSE based on MSP430 MCU |
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| WANG Ping YU Gang HU Xiang-dong YUAN Li.Hardware design of PSE based on MSP430 MCU[J].Journal of Chongqing University of Posts and Telecommunications(Natural Sciences Edition),2007(2). |
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| Authors: | WANG Ping YU Gang HU Xiang-dong YUAN Li |
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| Abstract: | Power-over-Ethernet is one of the key technologies in EPA system.The standard IEEE802.3af is briefly introduced,and the function demands and the collective design are described.Based on I~2C-BUS criterion,MSP430 MCU and TPS2383APSEPM are adopted to design PSE complying with IEEE802.3af standard.The methods of hardware design are emphasized.Finally,an application example of this device used in EPA system is given. |
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| Keywords: | IEEE802 3af power over Ethernet device MSP430F148 TPS2383A I~2C-BUS hardware design EPA |
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