2008 IEEE International Conference on Multimedia and Expo (ICME)
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Abstract

This paper presents the design of parameterized fixed-point integer multiplication, squaring and fractional division units. The units are targeted at the Virtex-II family of FPGAs from Xilinx and are based on the small 18X18-bit multiplier blocks. New partial product creation and summation techniques that exploit the low level primitives are used achieve a 20% area and a 30% delay reduction for multiplication. A dedicated squaring component is presented that offers substantial area savings of up to 50%. The division component uses the multipliers for pre-scaling to reduce the delay and complexity of each minimally redundant radix-8 stage.
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