r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 790

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

16. Watchdog Timer and Reset (WDT)
Figure 16.1 is a block diagram of the WDT.
Rev.1.00 Jan. 10, 2008 Page 760 of 1658
REJ09B0261-0100
PRESET
Legend:
WDTCNT:
WDTST:
WDTBCNT: Watchdog timer base counter
WDTBST:
WDTCSR: Watchdog timer control/status register
Comparator
WDTCSR
Watchdog timer counter
Watchdog timer stop time register
Watchdog timer base stop time register
Watchdog Timer and Reset module (WDT)
WDTCNT
WDTST
Figure 16.1 Block Diagram of WDT
Reset control
control circuit
Interrupt
circuit
Count-up signal
Comparator
Internal reset request
Interrupt request
WDTBCNT
WDTBST
Peripheral clock
INTC
CPG
(Pck)
2
STATUS[1:0]
MRESETOUT