CHAPTER 19 STANDBY FUNCTION
User’s Manual U16896EJ2V0UD
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19.5.3 Securing oscillation stabilization time when STOP mode is released
When the STOP mode is released, only the oscillation stabilization time set by the OSTS register elapses. If the
STOP mode has been released by reset, however, the reset value of the OSTS register
Note
elapses.
The operation performed when the STOP mode is released by an interrupt request signal is shown below.
Figure 19-2. Oscillation Stabilization Time
Oscillated waveform
Main clock
oscillator stops
Oscillation stabilization
time count
Main clock
STOP mode status
Interrupt request
Note
The reset value of the OSTS register differs depending on the setting of the mask option/option byte. For
details, refer to
CHAPTER 25 MASK OPTION/OPTION BYTE
.
Caution For details of the OSTS register, refer to 19.2 (3) Oscillation stabilization time selection
register (OSTS).