Reset Status Register 2 (Rstsr2) - Renesas RX100 Series User Manual

RX13T Group
6.2.3

Reset Status Register 2 (RSTSR2)

Address(es): 0008 00C0h
b7 b6
— —
0 0
Value after reset:
Bit Symbol Bit Name
b0 IWDTRF Independent Watchdog Timer Reset Detect
Flag
b1 — Reserved
b2 SWRF Software Reset Detect Flag
b7 to b3 — Reserved
Note 1. The value after reset depends on the reset source.
Note 2. Only 0 can be written to clear the flag.
IWDTRF Flag (Independent Watchdog Timer Reset Detect Flag)
The IWDTRF flag indicates that an independent watchdog timer reset has occurred.
[Setting condition]
 When an independent watchdog timer reset occurs.
[Clearing conditions]
 When a reset listed in Table 6.2 occurs.
 When IWDTRF is read as 1 and then 0 is written to IWDTRF.
SWRF Flag (Software Reset Detect Flag)
The SWRF flag indicates that a software reset has occurred.
[Setting condition]
 When a software reset occurs.
[Clearing conditions]
 When a reset listed in Table 6.2 occurs.
 When SWRF is read as 1 and then 0 is written to SWRF.
R01UH0822EJ0100 Rev.1.00
Jul 31, 2019
b5 b4 b3 b2
— — — SWRF
0 0 0 1
0*
b1 b0
IWDTR
—
F
0 1
0*
Description
0: Independent watchdog timer reset not detected.
1: Independent watchdog timer reset detected.
This bit is read as 0. The write value should be 0.
0: Software reset not detected.
1: Software reset detected.
These bits are read as 0. The write value should be 0. R/W
6. Resets
R/W
R(/W)
*2
R/W
R(/W)
*2
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