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ji yu edma shi xian tms320c64x yu fpga de shu ju chuan shu
Pages: 61-63+74
Year: Issue:  4
Journal: Electronic Engineer

Keyword:  数字信号处理器(TMS320C64X DSP)增强型直接存储器访问外部存储器接口现场可编程门阵列乒乓缓冲;
Abstract: 结合TMS320C64XDSP+FPGA信号处理平台,简述了TMS320C64XDSP的硬件结构,重点介绍直接存储器访问(EDMA)的硬件结构和配置方法。数据经现场可编程门阵列(Field-Programmable Gate Array,FPGA)及DSP外部存储器接口(EMIF)由EDMA传输到数字信号处理器(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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