| 摘要 |
PURPOSE:To provide a protective circuit arrangement at an abnormal time, which automatically interrupts power supply and places the whole equipment in a safer state when the equipment gets into an abnormal state, without adding an input port for malfunction detection to a microcomputer or modifying a software. CONSTITUTION:The power switch of a microcomputer for interrupting a power for equipment is driven by the output of an abnormal state detection circuit so that the power for equipment is automatically interrupted at an abnormal time. |
