Runaway detecting system for CPU

Details Runaway detecting system for CPU Runaway detecting system for CPU

1987-11-20

1990-02-20

Zache, Raulfe B.

Boots, shoes, and leggings

371 12, 371 62, 3642604, 3642608, G06F 1100

Patent

active

049031937

ABSTRACT:
A runaway detecting system for a CPU which has a resetter circuit started by the ON of a power source ON or the output of the CPU for outputting a reset signal to the system including the CPU, and first and second runaway detecting programs, the first runaway detecting program for incrementally or decrementally counting an error by a periodic timer interrupt and overflowing the timer when the error count coincides with a predetermined value, the second runaway detecting program for processing when a timer of the second runaway detecting program is restarted in a short period and outputting a drive signal of the resetter circuit. Thus, the runaway detecting system can detect the runaway of the CPU in a software to prevent in advance the motor or the circuit from damaging due to the runaway of the CPU.

REFERENCES:
patent: 4752930 (1988-06-01), Kitamura et al.
patent: 4796211 (1989-01-01), Yokouchi
patent: 4803682 (1989-02-01), Hara et al.

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