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首页> 外文期刊>IEEE Journal of Solid-State Circuits >A VLSI array processor for 16-point FFT
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A VLSI array processor for 16-point FFT

机译:用于16点FFT的VLSI阵列处理器

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摘要

An implementation of a two-dimensional array processor for fast Fourier transform (FFT) using a 2- mu m CMOS technology is presented. The array processor, which is dedicated to 16-point FFT, implements a 4*4 mesh array of 16 processing elements (PEs) working in parallel. Design considerations in both the chip level and the PE level are examined. A layout design methodology based on bit-slice units (BSUs) results in a very simple design, easy debugging, and a regular interconnection scheme through abutment. It contains about 48,000 transistors on an area of 53.52 mm/sup 2/, excluding the 83-pad area, and operation is on a 15-MHz clock. The array processor performs 24.6 million complex multiplications per second, and computes a 16-point FFT in 3 mu s.
机译:提出了使用2微米CMOS技术的用于快速傅立叶变换(FFT)的二维阵列处理器的实现。专用于16点FFT的阵列处理器实现了由16个并行处理的处理元件(PE)组成的4 * 4网格阵列。考察了芯片级和PE级的设计注意事项。基于位片单元(BSU)的布局设计方法可以实现非常简单的设计,简便的调试以及通过基台的常规互连方案。它在面积为53.52 mm / sup 2 /的区域中包含约48,000个晶体管,不包括83焊盘区域,并且以15 MHz时钟工作。阵列处理器每秒执行2460万次复数乘法,并在3毫秒内计算16点FFT。

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