Malfunction detection device of maikurokonpiyutashisutemu

摘要

(57) Abstract Objective The uniting ROM and so on it changes and detects. Constitution 1CPU1 and 1ROM2 and 2CPUData of 2 tupple having and both ROM2,5 of 4 and 2ROM5The micro-computer system smell of interchangete, inside 2ROM5 sum value of data inside 1ROM2To store beforehand, at the time of power source entry, inside 1CPU1The te, to read out this, in addition, sa of the data inside 1ROM2Calculating mu value, that it compared both sum value, differedDeciding, that coming, ROM is abnormal, 1CPU is unlimitedIt enters into the looping. Even at 2CPU similar program columnIt is, enters into the infinite loop in ROM strange usual.