R5S72011 RENESAS [Renesas Technology Corp], R5S72011 Datasheet - Page 650

• Manufacturer Part Number: R5S72011
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 14 Watchdog Timer (WDT)
Figure 14.1 shows a block diagram of the WDT.
14.2
Table 14.1 shows the pin configuration of the WDT.
Table 14.1 Pin Configuration
Rev. 2.00 Sep. 07, 2007 Page 622 of 1164
REJ09B0321-0200
Pin Name
Watchdog timer overflow
Internal reset
cancellation
[Legend]
WTCSR:
WTCNT:
WRCSR:
Note: * The internal reset signal can be generated by making a register setting.
WDTOVF
Interrupt
Standby
request
request*
Input/Output Pin
Watchdog timer control/status register
Watchdog timer counter
Watchdog reset control/status register
Interrupt
Standby
control
control
control
Reset
Figure 14.1 Block Diagram of WDT
Symbol
WDTOVF
WRCSR
I/O
Output
WDT
WTCSR
Bus interface
Clock selection
Function
Outputs the counter overflow signal in
watchdog timer mode
Overflow
Clock selector
WTCNT
Divider
Clock
Standby
mode
Peripheral
clock