ST62E25C ST Microelectronics, ST62E25C Datasheet - Page 88

• Manufacturer Part Number: ST62E25C
• Description: (ST62T15C / ST62T25C) 8-BIT OTP/EPROM MCUs WITH A/D CONVERTER
• Manufacturer: ST Microelectronics

ST6215C/ST6225C
CONTROL PIN CHARACTERISTICS (Cont’d)
11.10 TIMER PERIPHERAL CHARACTERISTICS
Subject to general operating conditions for V
f
11.10.1 Watchdog Timer
11.10.2 8-Bit Timer
88/105
1
OSC
Symbol
Symbol
t
w(WDG)
f
EXT
t
w
, and T
Timer external clock frequency
Pulse width at TIMER pin
A
Watchdog time-out duration
unless otherwise specified.
Parameter
Parameter
VDD>4.5V
VDD=3V
f
f
CPU
CPU
DD
=4MHz
=8MHz
,
Conditions
Conditions
Refer to I/O port characteristics for more details on
the input/output alternate function characteristics
(TIMER).
Min
125
3,072
0.768
0.384
Min
0
1
Typ
Typ
196,608
49.152
24.576
f
Max
INT
Max
/4
MHz
Unit
Unit
t
ms
ms
ns
µs
INT