比较了几种16x16 位乘加器的实现方法,给出了一种嵌入于微处理器的基于流水线 重构技术的16x16 位乘加器的设计方案,该设计可完成16bit 整数或序数的乘法或乘加运算,并提高了运算的速度,减少了面积。利用Cadence EDA 工具对电路进行了仿真,仿真结果验证了设计的准确性。 关键词:乘加器; 乘法器; 流水线 Abstract: This paper compares some methods of 16x16 multiplier accumulator design, and describes a pipelined and reconstructed technology to achieve 16x16-bit multiplier accumulator embedded in an MCU(Micro-Control Unit). which supports both signed and unsigned integer multiplication and multiplication-accumulation, at the same time ,this method improves operation speed and reduces the area. successfully simulated in Cadence EDA tools. Key words: Multiplier accumulator circuit; Multiplier; Pipeline