r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 558

• Manufacturer Part Number: r5f71374an80fpv
• Description: 32-bit Risc Microcomputer Superh?? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

Section 13 Watchdog Timer (WDT)
13.5
13.5.1
If WTCNT is set to H'FF in interval timer mode, overflow does not occur when WTCNT changes
from H'FF to H'00 after one cycle of count clock, but overflow occurs when WTCNT changes
from H'FF to H'00 after 257 cycles of count clock.
If WTCNT is set to H'FF in watchdog timer mode, overflow occurs when WTCNT changes from
H'FF to H'00 after one cycle of count clock.
Rev. 1.00 Sep. 21, 2007 Page 532 of 1124
REJ09B0402-0100
Usage Note
WTCNT Setting Value