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Microwatt Embedded Processor Platform for Medical System-on-Chip Applications | IEEE Journals & Magazine | IEEE Xplore
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Microwatt Embedded Processor Platform for Medical System-on-Chip Applications


Abstract:

Battery life specifications drive the power consumption requirements of integrated circuits in implantable, wearable, and portable medical devices. In this paper, we pres...Show More

Abstract:

Battery life specifications drive the power consumption requirements of integrated circuits in implantable, wearable, and portable medical devices. In this paper, we present an embedded processor platform chip using an ARM Cortex-M3 suitable for mapping medical applications requiring microwatt power consumption. Ultra-low-power operation is achieved via 0.5–1.0 V operation, a 28 fW/bit fully differential subthreshold 6T SRAM, a 90%-efficient DC-DC converter, and a 100-nJ fast Fourier transform (FFT) accelerator to reduce processor workload. Using a combination of novel circuit design, system architecture, and SoC implementation, the first sub-microwatt per channel electroencephalograph (EEG) seizure detection is demonstrated.
Published in: IEEE Journal of Solid-State Circuits ( Volume: 46, Issue: 4, April 2011)
Page(s): 721 - 730
Date of Publication: 22 February 2011

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