H8S-2350 RENESAS [Renesas Technology Corp], H8S-2350 Datasheet - Page 571

• Manufacturer Part Number: H8S-2350
• Description: 16-Bit Single-Chip Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Bit 7—Watchdog Overflow Flag (WOVF): Indicates that TCNT has overflowed (changed from
H'FF to H'00) during watchdog timer operation. This bit is not set in interval timer mode.
Bit 6—Reset Enable (RSTE): Specifies whether or not a reset signal is generated in the
H8S/2350 Group if TCNT overflows during watchdog timer operation.
Note:
Bit 5—Reset Select (RSTS): Selects the type of internal reset generated if TCNT overflows
during watchdog timer operation.
For details of the types of resets, see section 4, Exception Handling.
Bits 4 to 0—Reserved: Read-only bits, always read as 1.
Bit 7
WOVF
0
1
Bit 6
RSTE
0
1
Bit 5
RSTS
0
1
* The modules within the H8S/2350 Group are not reset, but TCNT and TCSR within the
WDT are reset.
Description
[Clearing condition]
Cleared by reading TCSR when WOVF = 1, then writing 0 to WOVF
[Setting condition]
Set when TCNT overflows (changed from H'FF to H'00) during watchdog timer
operation
Description
Reset signal is not generated if TCNT overflows *
Reset signal is generated if TCNT overflows
Description
Power-on reset
Manual reset
Rev. 3.00 Sep 15, 2006 page 537 of 988
Section 12 Watchdog Timer (WDT)
REJ09B0330-0300
(Initial value)
(Initial value)
(Initial value)