SH7146 Datasheet, PDF (569/1022 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 13 Watchdog Timer (WDT)
13.2 Input/Output Pin for WDT
Table 13.1 lists the WDT pin configuration.
Table 13.1 WDT Pin Configuration
Pin Name
Watchdog timer
overflow
Abbreviation I/O
Description
WDTOVF
Output
When an overflow occurs in watchdog timer mode,
an internal reset is generated and this pin outputs
the low level for one clock cycle specified by the
CKS2 to CKS0 bits in WTCSR.
Rev. 3.00 May 17, 2007 Page 525 of 974
REJ09B0229-0300