SEMICONDUCTOR INTEGRATED CIRCUITS
Abstract: A digital ASIC chip customized for battery-operated body sensing devices is presented. The ASIC incorporates a novel hybrid-architecture fast Fourier transform (FFT) unit that is capable of scalable spectral analysis, a licensed ARM7TDMI IP hardcore and several peripheral IP blocks. Extensive experimental results suggest that the complete chip works as intended. The power consumption of the FFT unit is 0.69 mW @ 1 MHz with 1.8 V power supply. The low-power and programmable features of the ASIC make it suitable for ‘on-the-fly’ low-frequency physiological signal processing.
Key words: low-power
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Received: 20 August 2015 Revised: 24 December 2011 Online: Published: 01 June 2012
| Citation: |
Nie Zedong, Zhang Fengjuan, Li Jie, Wang Lei. Low-power digital ASIC for on-chip spectral analysis of low-frequency physiological signals[J]. Journal of Semiconductors, 2012, 33(6): 065004. doi: 10.1088/1674-4926/33/6/065004
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Nie Z D, Zhang F J, Li J, Wang L. Low-power digital ASIC for on-chip spectral analysis of low-frequency physiological signals[J]. J. Semicond., 2012, 33(6): 065004. doi: 10.1088/1674-4926/33/6/065004.
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