Renesas RX100 Series User Manual page 95

RX13T Group
The internal state and pins are initialized by a reset.
Table 6.2 lists the reset targets to be initialized.
Table 6.2 Targets Initialized by Each Reset Source
Target to be Initialized
The power-on reset detect flag
(RSTSR0.PORF)
Register related to the cold start/warm start
determination flag
(RSTSR1.CWSF)
Voltage monitoring 0 reset detect flag
(RSTSR0.LVD0RF)
The independent watchdog timer reset detect
flag
(RSTSR2.IWDTRF)
Registers related to the independent watchdog
timer
(IWDTRR, IWDTCR, IWDTSR, IWDTRCR,
IWDTCSTPR, ILOCOCR)
The voltage monitoring 1 reset detect flag
(RSTSR0.LVD1RF)
Registers related to voltage monitor function 1
(LVD1CR0, LVCMPCR.LVD1E,
LVDLVLR.LVD1LVL[3:0])
(LVD1CR1, LVD1SR)
The voltage monitoring 2 reset detect flag
(RSTSR0.LVD2RF)
Registers related to voltage monitor function 2
(LVD2CR0, LVD2E, LVDLVLR.LVD2LVL[1:0])
(LVD2CR1, LVD2SR)
The software reset detect flag
(RSTSR2.SWRF)
Registers other than the above, CPU, and
internal state
○: Targets to be initialized, —: No change occurs.
Note 1. Initialized at a power-on.
When a reset is canceled, the reset exception handling starts. For the reset exception handling, see section 13,
Exception Handling .
Table 6.3 lists the pin related to the reset.
Table 6.3 Pin Related to Reset
Pin Name I/O
RES# Input
R01UH0822EJ0100 Rev.1.00
Jul 31, 2019
Voltage
RES# Pin Power-On Monitoring 0
Reset Reset Reset
○ —
1
—* ○
○ ○
○ ○
○ ○
○ ○
○ ○
○ ○
○ ○
○ ○
○ ○
○ ○
○ ○
Function
Reset pin
Reset Source
Independent Voltage
Watchdog Monitoring 1
Timer Reset Reset
— — —
— — —
— — —
○ — —
○ — —
○ ○ —
○ ○ —
○ ○ —
○ ○ ○
○ ○ ○
○ ○ ○
○ ○ ○
○ ○ ○
6. Resets
Voltage
Monitoring 2 Software
Reset Reset
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
○ —
○ ○
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