Wake Up Operation - Fujitsu MB2146-450-E Setup Manual

3.5.7 Wake Up Operation

There is a wake up key in the LCD EV-Board, which uses external interrupt to wake up
system from sleep mode.
When system enters sleep mode, no operation can be made except the wake-up key.
The following operation describes the wake-up process.
When the timer is the same with standby setting time, system will enter sleep mode
Press wake up key, system enters normal status; timer counts continuously.
MB2146-450-E Setup Guide
Chapter 3 EV-board Manual
MCU-AN-500072-E-10 – Page 28