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RISC乘累加单元的扩展Extended RISC MAC

消耗积分:2 | 格式:rar | 大小:181 | 2009-05-25

丁冬芹

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本文设计了扩展的乘累加单元(DSPMAC),用于运算速度的提高。基于or1200 乘累加单元,运用RISC技术和并行操作,通过开发32-bit 指令中的保留位,在资源占用增幅较少和一定的功耗及温度等代价的前提下,本设计对连续乘累加运算实现加速。经过测试,DSPMAC 达到了运算加速的目的。
关键词: 乘累加; 精简指令集计算机;速度;功耗;温度

Abstract: This paper designed an extended multiplication-accumulator unit, DSPMAC, to achieve calculation accelerating. Based on or1200 multiplication-accumulator unit, using RISC technology and parallel operation to exploit the reserved bits in 32-bit instruction, the design tried to achieve accelerating of continuous multiplication-accumulator operations with less increase of resource occupation and some cost of power andtemperature. According to the testing results, DSPMAC unit has achieved the purpose.
Key words: DSP multiplication-accumulator (DSPMAC); RISC; speed; power consumption; temperature

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