A watchdog timer (Fig. 2.20 ) is used for supervising the operation of an embedded system in

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A watchdog timer (Fig. 2.20 ) is used for supervising the operation of an embedded system in a high - EMI environment. Why is it practical to connect the watchdog - circuit ’ s output to the CPU ’ s nonmaskable (instead of maskable) interrupt input?


Figure 2.20

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Real Time Systems Design And Analysis

ISBN: 9780470768648

4th Edition

Authors: Phillip A. Laplante, Seppo J. Ovaska

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