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

3.5.7 Wake-Up Operation

There is a wake up key on 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 as standby setting time, system will enter sleep mode.
Press Wake-up key, system enters normal status; timer counts continuously.
EV BOARD MB2146-450-E V1.3
Chapter 3 EV-board Manual
MCU-AN-500072-E-13 – Page 28