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Non-Intrusive Design of Self-Checking FSM Based on Convolutional Codes

Ming LI1( ), Shiyi XU2, Fayu WAN1, Jianwei GU1, Mingming PENG1, Jinsai JIANG1
Microelectronic Research and Development Center, Shanghai University, Shanghai 200072, China
School of Computers, Shanghai University, Shanghai 200072, China
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Abstract

A non-intrusive design of self-checking finite state machines (FSMs) in VLSI circuits was investigated using convolutional codes. We propose a novel scheme which cannot only detect but also correct errors occurred in FSM states. The error state will be corrected and sent back to the FSM, so that the concurrent error in the current state is detected and corrected immediately. Moreover, we realize the IP core of the self-checking module by SMIC 0.25-µm CMOS technology and also simulate its function in FPGA.

Keywords

self-checkingfinite state machines (FSMs)convolutional codeserror-detection

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Tsinghua Science and Technology
Volume 12 Issue S1,
July 2007
Pages 73-77
DOI: 10.1016/S1007-0214(07)70087-1

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Cite this article:
LI M, XU S, WAN F, et al. Non-Intrusive Design of Self-Checking FSM Based on Convolutional Codes. Tsinghua Science and Technology, 2007, 12(S1): 73-77. https://doi.org/10.1016/S1007-0214(07)70087-1

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Received: 01 February 2007
Published: 01 July 2007
© Tsinghua University Press 2007