ST6200C/ST6201C/ST6203C
CONTROL PIN CHARACTERISTICS (Cont’d)
11.10 TIMER PERIPHERAL CHARACTERISTICS
Subject to general operating conditions for V
,
Refer to I/O port characteristics for more details on
the input/output alternate function characteristics
(TIMER).
DD
f
, and T unless otherwise specified.
OSC
A
11.10.1 Watchdog Timer
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
tINT
ms
3,072
0.768
0.384
196,608
49.152
24.576
t
Watchdog time-out duration
fCPU=4MHz
CPU=8MHz
w(WDG)
f
ms
11.10.2 8-Bit Timer
Symbol
Parameter
Conditions
Min
0
Typ
Max
Unit
MHz
ns
f
Timer external clock frequency
f
/4
INT
EXT
VDD>4.5V
VDD=3V
125
1
t
Pulse width at TIMER pin
w
µs
86/104
1
ETC [ ETC ]
