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Dedicated hardware accelerators enable energy-efficient implementations of radio and imaging basebands. Multistandard, multi-mode radio basebands require an on-the-fly reconfigurable fast Fourier transform (FFT) accelerator that implements many different FFT sizes. An instance of a runtime-reconfigurable 2n3m5k FFT accelerator was generated by a custom hardware generator to meet the requirements of...
The end of Dennard scaling has led to an increase in demand for energy-efficient custom hardware accelerators, but current hardware design is slow and laborious, partly because each iteration of the compile-run-debug cycle can take hours or even days with existing simulation and emulation platforms. Cyclist is a new emulation platform designed specifically to shorten the total compile-run-debug cycle...
This paper presents a RISC-V system-on-chip (SoC) with integrated voltage regulation, adaptive clocking, and power management implemented in a 28 nm fully depleted silicon-on-insulator process. A fully integrated simultaneous-switching switched-capacitor DC–DC converter supplies an application core using a clock from a free-running adaptive clock generator, achieving high system conversion efficiency...
This work presents a RISC-V system-on-chip (SoC) with integrated voltage regulation and power management implemented in 28nm FD-SOI. A fully integrated switched-capacitor DC-DC converter, coupled with an adaptive clocking system, achieves 82–89% system conversion efficiency across a wide operating range, yielding a total system efficiency of 41.8 double-precision GFLOPS/W. Measurement circuits can...
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