| 摘要 |
A portable radio communication apparatus which allows reduction in power consumption is disclosed. An input device has a special key and a plurality of general keys. A microprocessor changes an operation mode from a power-saving mode to a normal operation mode when receiving an interrupt signal. A controller connected to the special key outputs the interrupt signal to the microprocessor when one of the general keys is operated. When the special key is operated, the controller controls a backlit LCD without outputting the interrupt signal such that the LCD is backlighted and predetermined information is displayed on the LCD. |
