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Rainbow Electronics ATmega64C1 User Manual

Page 54

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54

7647A–AVR–02/08

ATmega32/64/M1/C1

.

Table 7-6.

Watchdog Timer Prescale Select

WDP3

WDP2

WDP1

WDP0

Number of WDT Oscillator

Cycles

Typical Time-out at

V

CC

= 5.0V

0

0

0

0

2K (2048) cycles

16 ms

0

0

0

1

4K (4096) cycles

32 ms

0

0

1

0

8K (8192) cycles

64 ms

0

0

1

1

16K (16384) cycles

0.125 s

0

1

0

0

32K (32768) cycles

0.25 s

0

1

0

1

64K (65536) cycles

0.5 s

0

1

1

0

128K (131072) cycles

1.0 s

0

1

1

1

256K (262144) cycles

2.0 s

1

0

0

0

512K (524288) cycles

4.0 s

1

0

0

1

1024K (1048576) cycles

8.0 s

1

0

1

0

Reserved

1

0

1

1

1

1

0

0

1

1

0

1

1

1

1

0

1

1

1

1