Section 22 Electrical Characteristics
22.3.5
Watchdog Timer Characteristics
Table 22.17 Watchdog Timer Characteristics
V
CC = 3.0 to 3.6 V, VSS = 0.0 V, Ta = -20 to +75°C/-40 to +85°C, unless otherwise indicated.
Values
Applicable Test
Pins Condition
Reference
Unit Figure
Item
Symbol
Min.
Typ.
Max.
On-chip
oscillator
overflow
time
tOVF
0.2
0.4
—
s
*
Note:
*
Time until an internal reset is generated after the counter counts from 0 to 255 when the
on-chip oscillator is selected
Rev. 3.00 Sep. 10, 2007 Page 450 of 528
REJ09B0216-0300