MB90480/485 Series
(3) Status Transition Chart
External reset, watchdog timer reset, software reset
Power-on
Reset
SCS = 0
Power-on reset
SCS = 1
MCS = 0
MCS = 1
SCS = 0
SCS = 1
Main clock
mode
PLL clock
mode
Sub clock
mode
Oscillator
stabilization
wait ends
SLP = 1
SLP = 1
SLP = 1
Interrupt
Interrupt
Interrupt
PLL sleep
mode
Main sleep
mode
Sub sleep
mode
Interrupt
Interrupt
Interrupt
TMD = 0
TMD = 0
TMD = 0
Main timebase
timer mode
PLL timebase
timer mode
Watch mode
STP = 1
STP = 1
STP = 1
PLL stop
mode
Sub stop
mode
Main stop
mode
Oscillator
Oscillator
Oscillator
stabilization
wait ends
Interrupt
stabilization
wait ends
stabilization
wait ends
Interrupt
Interrupt
Main clock oscillator
stabilization wait
Main clock oscillator
stabilization wait
Sub clock oscillator
stabilization wait
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