ST72F321J ST Microelectronics, ST72F321J Datasheet - Page 51

• Manufacturer Part Number: ST72F321J
• Description: 8-BIT MCU
• Manufacturer: ST Microelectronics

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WATCHDOG TIMER (Cont’d)
10.1.4 How to Program the Watchdog Timeout
Figure 31
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
Figure 31. Approximate Timeout Duration
4
3F
38
30
28
20
18
10
08
00
U
1.5
.com
shows the linear relationship between
18
34
Watchdog timeout (ms) @ 8 MHz. f
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more precision is needed, use the formulae in
ure
Caution: When writing to the WDGCR register, al-
ways write 1 in the T6 bit to avoid generating an
immediate reset.
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32.
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OSC2
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