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Toshiba TLCS-900/H1 Series Manual page 32

Original cmos 32-bit microcontroller
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(2) Change/stop control
(OK) PLL use mode (f
PLL Stop → Low-frequency oscillator operation mode (fs) → High-frequency
oscillator stop
LD
(PLLCR0),
LD
(PLLCR1),
LD
(SYSCR1),
LD
(SYSCR0),
(Error) PLL use mode (f
stop → High-frequency oscillator stop
LD
(SYSCR1),
LD
(PLLCR0),
LD
(PLLCR1),
LD
(SYSCR0),
(OK) PLL use mode (f
operation mode (f
LD
(SYSCR2),
LD
(PLLCR0),
LD
(PLLCR1),
HALT
(Error) PLL use mode (f
oscillator stop)
LD
(SYSCR2),
HALT
) → High-frequency oscillator operation mode (f
PLL
− 0 − − − − − − B ;
Change the system clock f
0 − − − − − − − B ;
PLL stop
− − − − 1 − − − B ;
Change the system clock f
0 − − − − − − − B ;
High-frequency oscillator stop
) → Low-frequency oscillator operation mode (fs) → PLL
PLL
− − − − 1 − − − B ; Change the system clock f
− 0 − − − − − − B ; Change the internal clock (f
0 − − − − − − − B ; PLL stop
0 − − − − − − − B ; High-frequency oscillator stop
) → Set the STOP mode → High-frequency oscillator
PLL
) → PLL stop → Halt (High-frequency oscillator stop)
OSCH
− − − − 0 1 − − B ;
Set the STOP mode
(This command can be executed before use of PLL)
− 0 − − − − − − B ;
Change the system clock f
0 − − − − − − − B ;
PLL stop
;
Shift to STOP mode
) → Set the STOP mode → Halt (High-frequency
PLL
− − − − 0 1 − − B ;
Set the STOP mode
(This command can execute before use of PLL)
;
Shift to STOP mode
92CH21-30
TMP92CH21
) →
OSCH
to f
PLL
OSCH
to fs
OSCH
to fs
PLL
) f
to f
C
PLL
OSCH
to f
PLL
OSCH
2009-06-19

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