参数资料
型号: ST62P09CB6/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP20
封装: 0.300 INCH, PLASTIC, DIP-20
文件页数: 91/104页
文件大小: 1487K
代理商: ST62P09CB6/XXX
ST6208C/ST6209C/ST6210C/ST6220C
87/104
CONTROL PIN CHARACTERISTICS (Cont’d)
10.10 TIMER PERIPHERAL CHARACTERISTICS
Subject to general operating conditions for VDD,
fOSC, and TA unless otherwise specified.
Refer to I/O port characteristics for more details on
the input/output alternate function characteristics
(TIMER).
10.10.1 Watchdog Timer
10.10.2 8-Bit Timer
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
tw(WDG)
Watchdog time-out duration
3,072
196,608
tINT
fCPU=4MHz
0.768
49.152
ms
fCPU=8MHz
0.384
24.576
ms
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fEXT
Timer external clock frequency
0
fINT/4
MHz
tw
Pulse width at TIMER pin
VDD>4.5V
125
ns
VDD=3V
1
s
1
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