| SPI接口在车门控制模块中的应用 |
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| 引用本文： | 陶金,陈文鑫,王景成.SPI接口在车门控制模块中的应用[J].微型电脑应用,2010,26(4):18-20,23. |
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| 作者姓名： | 陶金 陈文鑫 王景成 |
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| 作者单位： | 上海交通大学,上海,200240 |
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| 基金项目： | 国家863项目，上海启明星计划 |
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| 摘 要： | 在车身控制系统中,为了节省布线,需要对车身进行总线化设计。为此本文介绍了一种通过单片机SPI接口并采用车门驱动芯片L9950代替传统继电器来控制车门各个部件的方案,阐述了软硬件设计原理。演示电路板在真实车门上实现了车门部件的实时控制和故障诊断并通过了基本功能测试。
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| 关 键 词： | SPI 串行外设接口 车身控制 L9950 |
Application of Serial Peripheral Interface in Vehicle Door Control Module |
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| TAO Jin,CHEN Wenxin,WANG Jingcheng.Application of Serial Peripheral Interface in Vehicle Door Control Module[J].Microcomputer Applications,2010,26(4):18-20,23. |
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| Authors: | TAO Jin CHEN Wenxin WANG Jingcheng |
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| Affiliation: | TAO Jin,CHEN Wenxin,WANG Jingcheng(Department of Automation,Shanghai Jiaotong University,Shanghai 200240,China) |
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| Abstract: | A new vehicle door control module solution complied with bus system design is introduced in this paper,which gets rid of relays and utilizes door actuator drivers to control devices on the vehicle door through MCU's Serial Peripheral Interface(SPI).Moreover,the hardware and software design of MCU and actuator driver is presented.Finally,the real time control and failure diagnostic on vehicle door based on demo circuit board is realized and passed functional test. |
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| Keywords: | SPI L9950 |
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