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A LOW-POWER, 32-BIT RISC PROCESSOR WITH SIGNAL PROCESSING CAPABILITY AND ITS MULTIPLY-ADDER

机译:具有信号处理能力的低功耗32位RISC处理器及其乘法器

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摘要

A 500 mW, 100 MHz, 32-bit RISC microprocessor, designed for software signal processing is described. Its signal processing oriented instruction set includes fast integer/fixed-point multiply/multiply-accumulate instructions, minimum/maximum instructions and conditional branch instructions with prediction etc. The processor integrates a 200 MHz, 32-bit compact multiply-adder with a parallel overflow detector in its pipeline to achieve peak signal processing performance of 200 MOPS. Through the employment of this fast multiply-adder, this microprocessor is able to obtain higher signal processing performance than other RISC processors.
机译:描述了设计用于软件信号处理的500 mW,100 MHz,32位RISC微处理器。其面向信号处理的指令集包括快速整数/定点乘法/乘法累加指令,最小/最大指令和带预测的条件分支指令。处理器集成了200 MHz,32位紧凑乘法加法器和并行溢出检测器在其管线中实现200 MOPS的峰值信号处理性能。通过使用这种快速乘法加法器,该微处理器能够获得比其他RISC处理器更高的信号处理性能。

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