发明名称 Interference suppression device for the interrupt lines of a microprocessor.
摘要 1. A suppression arrangement for the interrupt line of a microprocessor comprising an interrupt controller connected to the microprocessor characterised in that the inputs (ec) of the controller (1), at which the signals which are intended to interrupt execution of the program of the microprocessor (3) arrive, are directly connected to the inputs (eM) of the microprocessor (3) and that the microprocessor interrupt subprogram comprises a first step of reading of the inputs (eM) thereof, a second step of comparing the duration of the pulses of the signal to a minimum threshold, being intended for recognition of the noise phenomena prior to a third step of deciding on continuation with the sub-program itself in the case of a real interrupt signal or resumption of the main program in the event of noise.
申请公布号 EP0267103(A1) 申请公布日期 1988.05.11
申请号 EP19870402417 申请日期 1987.10.27
申请人 REGIE NATIONALE DES USINES RENAULT 发明人 JOUSSELIN, JEAN-MARC
分类号 G06F13/24;(IPC1-7):G06F13/24 主分类号 G06F13/24
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