摘要 |
A microcomputer according to the present invention includes: a CPU (Central Processing Unit) that has a plurality of modes including a usual operational mode and a STANDBY mode, a clock supply being stopped in the STANDBY mode; a clock generation circuit that generates a clock supplied to the CPU; and a control circuit that monitors a mode of the CPU, determines a mode to which the CPU should transit according to the mode of the CPU and a type of an interruption request to the CPU, and controls the clock generation circuit according to the determined mode. |