基于FIFO的DDC与DSP高速数据传输实现  

Realization of high speed data transform between DDC and DSP based on FIFO

作　　者：吴杰[1] 周刚[1] 

机构地区：[1]河南工业大学电气工程学院,河南郑州450007

出　　处：《电子技术应用》2008年第6期54-55,59,共3页Application of Electronic Technique

摘　　要：基于DDC和DSP的软件无线电中频信号处理方案。详细阐述了利用FIFO实现的DDC与DSP间数据传输的电路结构;分析了数据传输方式,FIFO数据的读写时序以及DSP EMIF的具体设置;根据硬件结构特点提出了设计中需要注意的问题。The IF signal solution scheme of software defined radio which based on DDC and DSP was briefed. The circuit construction of data transferring between DDC and DSP which was realized with FIFO was expounded in detail. The data transferring mode,FIFO＇S writing reading timing, and the set of DSP EMIF were analyzed.The problems need to be attended in the design were pointed out according to the hardware feature.

关 键 词：FIFO DDC DSP 

分 类 号：TN919.3[电子电信—通信与信息系统] TP274.2[电子电信—信息与通信工程]