| 基于TMS320C6713B的EDMA实时数据流传输 |
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| 引用本文： | 滕小波,耿相铭,武丽帅.基于TMS320C6713B的EDMA实时数据流传输[J].信息技术,2009(3). |
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| 作者姓名： | 滕小波 耿相铭 武丽帅 |
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| 作者单位： | 上海交通大学电子工程系,上海,200240 |
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| 摘 要： | 结合TMS320C6713B DSP和CPLD数据采集平台,简述了C6713B DSP的硬件结构,重点介绍了增强型直接存储器访问(EDMA)的硬件结构和配置方法.数据经CPLD及DSP外部存储器接口(EMIF)由EDMA传输到DSP片内,传输过程不需要CPU干预,并且采用乒乓缓冲结构,CPU同时可以进行数据处理,提高了数据传输、处理的速度,保证了实时性.
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| 关 键 词： | 乒乓缓冲 |
Real-time data stream transmission via EDMA based on TMS320C6713B |
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| TENG Xiao-bo,GENG Xiang-ming,WU Li-shuai.Real-time data stream transmission via EDMA based on TMS320C6713B[J].Information Technology,2009(3). |
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| Authors: | TENG Xiao-bo GENG Xiang-ming WU Li-shuai |
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| Affiliation: | Department of Electronic Engineering;Shanghai Jiaotong University;Shanghai 200240;China |
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| Abstract: | This paper introduces hardware architecture of TMS320 C6713B DSP simply,hardware architecture and configuration method of Enhanced Direct Memory Access(EDMA)in detail,based on TMS320C6713B DSP and CPLD data acquisition system.Data flow through CPLD and External Memory Interface(EMIF),and transmit into DSP by using EDMA.By adopting ping-pong buffering strategy,transmission procedure doesn't need CPU's interference and CPU can process data at the same time,which speeds up data transmission and data processing... |
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| Keywords: | TMS320C6713B DSP EDMA EMIF CPLD |
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