r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 810

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

16. Watchdog Timer and Reset (WDT)
(2)
The timing of indicating the reset state or normal operation on the STATUS[1:0] pins is
synchronous with the peripheral clock (Pck), and is therefore asynchronous with the clocks input
from the EXTAL pin and the CLKOUT pin.
Rev.1.00 Jan. 10, 2008 Page 780 of 1658
REJ09B0261-0100
WDT overflow
signal
EXTAL
input
CLKOUT
output
CLKOUTENB
output
MRESETOUT
output
STATUS[1:0]
output
Manual Reset Caused by Watchdog Timer Overflow in Sleep Mode
Figure 16.9 STATUS Output by Manual Reset Caused by WDT Overflow
WDT reset setup time
HL (sleep)
in Sleep Mode
HH (reset)
WDT manual reset holding time
LL (normal)