FPGAの消費電力を削減するHDLコーディング手法の検討

The advantages of using FPGAs (Field Programmable Gate Arrays) are to change design easily, low respin costs and speeding up development time. However to get these benefits, the FPGA has disadvantages: higher power consumption, larger silicon areas and lower operating speeds compared with the ASIC. In particular, higher power consumption not only requires higher packaging costs, shortens chip life-times, expensive cooling systems, but also decreases system reliability. Therefore, it is truly important to reduce FPGA s power consumption. In this paper, we compare HDL (Hardware Description Language) coding styles, which have already been proposed to reduce power consumption for FPGAs, and seek a more effective way than those.