r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 712

• Manufacturer Part Number: r5s77631ay266bgv
• Description: Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
• Manufacturer: Renesas Electronics Corporation.

Section 17 Watchdog Timer and Reset (WDT)
Figure 17.1 is a system block diagram.
Rev. 1.00 Oct. 01, 2007 Page 646 of 1956
REJ09B0256-0100
MRESET
PRESET
[Legend]
WDTBCNT: Watchdog timer base counter
WDTBST:
WDTCNT:
WDTCSR: Watchdog timer control/status register
WDTST:
Comparator
WDTCSR
Watchdog timer base stop time register
Watchdog timer counter
Watchdog timer stop time register
WDTCNT
WDTST
Figure 17.1 System Block Diagram
Watchdog timer and Reset
Reset control
control circuit
Interrupt
circuit
Count-up signal
Comparator
Internal reset request
Internal reset request
WDTBCNT
WDTBST
Peripheral clock
INTC
CPG
2
STATUS[1:0]