| 基于SPI的DSP与MCU双向通信的设计与实现 |
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| 引用本文： | 毛建权,季晓勇.基于SPI的DSP与MCU双向通信的设计与实现[J].科学技术与工程,2007,7(15):3911-39133918. |
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| 作者姓名： | 毛建权 季晓勇 |
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| 作者单位： | 南京大学电子科学与工程系,南京,210093 |
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| 摘 要： | 设计与实现了基于SPI的DSP与MCU双向通信。详细介绍了SPI接口以及DSP的多通道缓冲串口（McBSP）的特点，分析探讨了将McBSP配置为SPI的方法，给出了基于SPI的DSP与MCU双向通信的硬件电路和软件协议实现，很好地解决了SPI在双向通信中的不足之处。
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| 关 键 词： | SPI 多通道缓冲串口 McBSP DSP MCU |
| 文章编号： | 1671-1819(2007)15-3911-04 |
| 修稿时间： | 2007-04-09 |
Design and Realization of Mutual Communication Based on SPI between DSP and MCU |
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| MAO Jian-quan,JI Xiao-yong.Design and Realization of Mutual Communication Based on SPI between DSP and MCU[J].Science Technology and Engineering,2007,7(15):3911-39133918. |
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| Authors: | MAO Jian-quan JI Xiao-yong |
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| Institution: | Electronic and Engineering Department of Nanjing University, Nanjing 210093, P. R. China |
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| Abstract: | A new design and realization of mutual communication based on SPI between DSP and MCU are presented. First, SPI along with its working principle and features of McBSP are introduced; then, a method of configuration of McBSP operation as SPI slave is analyzed and discussed; finally, the hardware circuit interface and software protocol of mutual communication between DSP and MCU are deeply analyzed and the shortage inherent in SPI for mutual communication is successfully solved. |
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| Keywords: | SPI multichannel buffered serial bus(McBSP)DSP MCU |
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