参数资料
型号: ST72324BLK2BA/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, PDIP32
封装: 0.400 INCH, PLASTIC, SDIP-32
文件页数: 93/151页
文件大小: 1209K
代理商: ST72324BLK2BA/XXX
ST72F324L, ST72324BL
46/151
WATCHDOG TIMER (Cont’d)
10.1.4 How to Program the Watchdog Timeout
Figure 28 shows the linear relationship between
the 6-bit value to be loaded in the Watchdog Coun-
ter (CNT) and the resulting timeout duration in mil-
liseconds. This can be used for a quick calculation
without taking the timing variations into account. If
more precision is needed, use the formulae in Fig-
Caution: When writing to the WDGCR register, al-
ways write 1 in the T6 bit to avoid generating an
immediate reset.
Figure 28. Approximate Timeout Duration
C
N
T
Va
lue
(he
x
.)
Watchdog timeout (ms) @ 8 MHz. fOSC2
3F
00
38
128
1.5
65
30
28
20
18
10
08
50
34
18
82
98
114
1
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