| 摘要 |
A method and a circuit for detecting a malfunction of at least one first counter controlled by a first signal, in which a second counter, controlled by a second signal identical to the first signal or to its inverse, and counting in the reverse direction with respect to the first counter, is set with a value complementary to a setting value of the first counter; the respective current values of the first and second counters are added up; and the current sum is compared with at least one value representing the greatest one of the setting values or this greatest value plus one.
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