| 摘要 |
<p>PROBLEM TO BE SOLVED: To enable optimal backup to be performed in respective cases of temporary runaway and submersion under water of a microcomputer in a power window controller, etc., for automobile. SOLUTION: Driving control of a motor M corresponding to pull-up (pull up; closes) or pull-down (pull down; opens) is made possible to be performed by monitoring a power source to be supplied to the microcomputer main body 20 by a power source monitor 70, resetting the microcomputer 20 by outputting a reset signal irrespective of presence/absence of operation of the microcomputer main body 20 and simultaneously validating operation of a manual operation switch 11 by operating a backup circuit 60 when power source voltage (+5 V) of the power source monitor 70 falls below specified voltage (+4 V).</p> |
