SH7147 Datasheet, PDF (543/1108 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 12 Watchdog Timer (WDT)
12.2 Input/Output Pin for WDT
Table 12.1 lists the WDT pin configuration.
Table 12.1 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 Oct. 06, 2008 Page 519 of 1080
REJ09B0230-0300