Specifications

104
3.8.7 CPU Power State Control
The following shows the power states operable on the terminal.
Table 3.69
State Contents
Discharge State in that the battery pack has been discharged, and the super capacity has been
also discharged. Neither RAM nor RTC will be backed up.
RTC backup State in that only the RTC is being backed up. RAM is not backed up.
SLEEP mode State in that the power on the terminal is turned OFF, and peripheral devices are also
turned OFF. RTC and RAM are backed up.
RUN mode State in that the terminal is running or application is running on the terminal.
The CPU is running at 200MHz.
IDLE mode State in that the terminal or application is waiting for an event to occur.
TURBO mode The CPU is running at 400MHz.
Fig. 3.6
Discharge
RUN modeRUN mode
RTC backup SLEEP mode
N
o Activity
Interrupt
Operating/Memory Backup
Battery Insertion
Memory backup battery run down
Power ON
Power ON
Wakeup
Power ON
VDET2/3
Battery cover open
Operating battery run down
IDLE modeIDLE mode
TURBO mode TURBO mode
Turbo bit OFF
Turbo bit ON