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(2)
Change/stop control
(OK) DFM use mode (f
DFM
DFM stop → Low-frequency oscillator operation mode (fs) → High-frequency
oscillator stop
LD
(DFMCR0), 11------B
LD
(DFMCR0), 00------B
LD
(SYSCR1), ----1---B
LD
(SYSCR0), 0-------B
(Error) DFM use mode (f
DFM stop → High-frequency oscillator stop
LD
(SYSCR1), ----1---B
LD
(DFMCR0), 11------B
LD
(DFMCR0), 00------B
LD
(SYSCR0), 0-------B
(OK) DFM use mode (f
operation mode (f
OSCH
LD
(SYSCR2), ----01--B
LD
(DFMCR0), 11------B
LD
(DFMCR0), 00------B
HALT
(Error) DFM use mode (f
oscillator stop)
LD
(SYSCR2), ----01--B
HALT
) → High-frequency oscillator operation mode (f
;
Change the system clock f
;
DFM stop
Change the system clock f
;
;
High-frequency oscillator stop
) → Low-frequency oscillator operation mode (fs) →
DFM
;
Change the system clock f
Change the internal clock (fc) f
;
;
DFM stop
;
High-frequency oscillator stop
) → Set the STOP mode → High-frequency oscillator
DFM
) → DFM stop → HALT (High-frequency oscillator stop)
;
Set the STOP mode
(This command can execute before use of DFM)
;
Change the system clock f
;
DFM stop
;
Shift to STOP mode
) → Set the STOP mode → HALT (High-frequency
DFM
;
Set the STOP mode
(This command can execute before use of DFM)
;
Shift to STOP mode
91C824-24
TMP91C824
) →
OSCH
to f
DFM
OSCH
to fs
OSCH
to fs
DFM
to f
DFM
OSCH
to f
DFM
OSCH
2008-02-20
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