R01UH0823EJ0100 Rev.1.00
Page 281 of 1823
Jul 31, 2019
RX23W Group
15. Interrupt Controller (ICUb)
WDTST Flag (WDT Underflow/Refresh Error Status Flag)
This flag indicates the WDT underflow/refresh error interrupt request.
The WDTST flag is read-only, and cleared by the NMICLR.WDTCLR bit.
[Setting condition]
When the WDT underflow/refresh error interrupt is generated
[Clearing condition]
When 1 is written to the NMICLR.WDTCLR bit
IWDTST Flag (IWDT Underflow/Refresh Error Status Flag)
This flag indicates the IWDT underflow/refresh error interrupt request.
The IWDTST flag is read-only, and cleared by the NMICLR.IWDTCLR bit.
[Setting condition]
When the IWDT underflow/refresh error interrupt is generated while this interrupt is enabled at its source.
[Clearing condition]
When 1 is written to the NMICLR.IWDTCLR bit
LVD1ST Flag (Voltage Monitoring 1 Interrupt Status Flag)
This flag indicates the request for voltage monitoring 1 interrupt.
The LVD1ST flag is read-only, and cleared by the NMICLR.LVD1CLR bit.
[Setting condition]
When the voltage monitoring 1 interrupt is generated while this interrupt is enabled at its source.
[Clearing condition]
When 1 is written to the NMICLR.LVD1CLR bit
VBATST Flag (VBATT Voltage Monitoring Interrupt Status Flag)
This flag indicates the request for the VBATT voltage monitoring interrupt.
[Setting condition]
When the VBATT voltage monitoring interrupt is generated while this interrupt is enabled at its source.
[Clearing condition]
When 1 is written to the NMICLR.VBATCLR bit.