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3.10 Reset Sequence
This section explains the reset when the CPU is the operation state.
■ Reset Factor
The reset factor is as follow.
• Input from external reset pin
• Software reset by the SRST bit operation of the standby control register (STCR)
• Count up of watchdog timer
•Power on reset
■ Initialization by Reset
The reset factor is generated, the CPU is initialized.
●
Releasing from the external reset pin or software reset
• The pin is set to the predetermined state.
• Each resource in the device is put in the reset state. The control register is initialized to the
predetermined value.
• The lowest gear is selected for the clock.
■ Reset Sequence
When a reset factor is released, the CPU executes the following reset sequence.
• (000FFFFC
H
) → PC
Note:
After reset, operation mode needs to be set by the mode register setting.