State Transition Diagram - Fujitsu F2MC-16LX Hardware Manual

CHAPTER 6 LOW-POWER CONSUMPTION MODE
6.6

State Transition Diagram

The transition of the operation state and the transition conditions of MB90330 series are
shown.
State Transition Diagram
Figure 6.6-1 shows the transition of the operation state and the transition conditions of MB90330 series.
Power on
Power on reset
Oscillation
stablization
wait end
TMD=0
STP=1
TMD=0
Interruption
Main clock oscillation
* : Interrupt from USB bus at interrupt + USB function
160
Figure 6.6-1 State Transition and Transition Conditions
External reset, Watchdog timer reset, Software reset
MCS=0
Main clock mode
MCS=1
SLP=1
Interruption
Main sleep mode
Interruption
Main timebase
timer mode
Main stop mode
Oscillation
stablization
wait end
stablization wait
Reset
SCS=1
SCS=0
PLL clock mode
SCS=1
SLP=1
Interruption
PLL sleep mode
TMD=0 Interruption
PLL timebase
timer mode
STP=1
PLL stop mode
Oscillation
*
stablization
Interruption
wait end
PLL clock oscillation
stablization wait
SCS=0
Sub clock mode
SLP=1
Interruption
Sub sleep mode
Interruption
TMD=0
Watch mode
STP=1
Sub stop mode
Oscillation
stablization
Interruption
wait end
Sub clock oscillation
stablization wait