ATmega16U2 datasheet(63/314 Pages) ATMEL

No. de pieza	ATmega16U2

Descripción Electrónicos	8-bit Microcontroller with 8/16/32K Bytes of ISP Flash and USB Controller

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Fabricante Electrónico	ATMEL [ATMEL Corporation]

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63

7799B–AVR–07/09

ATmega8U2/16U2/32U2

1010

Reserved

1011

1100

1101

1110

1111

Table 10-9.

Watchdog Timer Prescale Select, DIV = 6(CLKwdt = CLK128 / 13) (Continued)

WDP3

WDP2

WDP1

WDP0

Number of WDT Oscillator

Cycles before 1st time-out

(Early warning)

Early warning Typical

Time-out at

VCC = 5.0V

Watchdog

Reset/Interrupt Typical

Time-out at

VCC = 5.0V

Table 10-10. Watchdog Timer Prescale Select, DIV = 7 (CLKwdt = CLK128 / 15)

WDP3

WDP2

WDP1

WDP0

Number of WDT Oscillator

Cycles before 1st time-out

(Early warning)

Early warning Typical

Time-out at

V

CC = 5.0V

Watchdog

Reset/Interrupt Typical

Time-out at

V

CC = 5.0V

0000

2K (2048) cycles

120 ms

240 ms

0001

4K (4096) cycles

240 ms

480 ms

0010

8K (8192) cycles

480 ms

960 ms

0011

16K (16384) cycles

0.960 s

1.9 s

0100

32K (32768) cycles

1.92 s

3.8 s

0101

64K (65536) cycles

3.8 s

7.6 s

0110

128K (131072) cycles

7.6 s

15.3 s

0111

256K (262144) cycles

15.3 s

30.7 s

1000

512K (524288) cycles

30.7 s

61.4 s

1001

1024K (1048576) cycles

61.4 s

122 s

1010

Reserved

1011

1100

1101

1110

1111

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ATmega16U2 Datasheet(PDF) 63 Page - ATMEL Corporation

ATmega16U2 Datasheet(HTML) 63 Page - ATMEL Corporation

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