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Publication Detail
A 1-Wire Communication Interface Between a Control Hub and Locally Powered Epidural Stimulators
  • Publication Type:
    Conference
  • Authors:
    Eder C, Valente V, Donaldson N, Demosthenous A
  • Name of conference:
    2013 IEEE Biomedical Circuits and Systems Conference (BioCAS)
  • Conference place:
    Rotterdam
  • Conference start date:
    31/10/2013
  • Conference finish date:
    02/11/2013
  • Addresses:
    Clemens Eder
    University College London
    Department of Electronic and Electrical Engineering
    Torrington Place
    London
    WC1E7JE
    United Kingdom

    Virgilio Valente
    University College London
    Department of Electronic and Electrical Engineering
    Torrington Place
    London
    WC1E7JE
    United Kingdom

    Nick Donaldson
    University College London
    Department of Medical Physics and Bioengineering
    Malet Place
    London
    WC1E6BT
    United Kingdom

    Andreas Demosthenous
    University College London
    Department of Electronic and Electrical Engineering
    Torrington Place
    London
    WC1E7JE
    United Kingdom
Abstract
This paper presents a modified 1-Wire® based communication architecture between one active and several passive units of a distributed implantable system. The passive slave units are embedded in the electrode array. We focus in particular on the introduction of the physical and data link layer of the communication block, and present post-layout results of simulated data transfer between the hub and one slave in 0.18-μm power management CMOS technology. The communication block has a power consumption of 12.5 μW for a gross bit rate of 11.1 kBit/s. The proposed interface is inherently safe and suitable for exchanging status and sensor data between implants. The possibility to achieve higher symbol rates is discussed.
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