Control device with forced operation function and semiconductor integrated circuit device

摘要

A control device having a forced operation function has an output circuit that operates in response to an output control signal generated within the control device and a terminal for feeding a signal from the output circuit to outside the control device. The control device further has a signal detection circuit that outputs a forced operation signal when a predetermined signal is fed from the outside to that terminal. The output control signal generated within the control device and the forced operation signal produced by the signal detection circuit are fed through an OR circuit to the output circuit. This circuit configuration makes it possible to reduce the number of terminals to be provided in a control device having a forced operation function and thereby reduce its costs.