ATMEGA644PV ATMEL [ATMEL Corporation], ATMEGA644PV Datasheet - Page 379

• Manufacturer Part Number: ATMEGA644PV
• Description: 8-bit Microcontroller with 16/32/64K Bytes In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

8011D–AVR–02/07
Figure 27-82. Watchdog Oscillator Frequency vs. V
Figure 27-83. Calibrated 8 MHz RC Oscillator vs. V
125
120
115
110
8,5
8,3
8,1
7,9
7,7
7,5
1,5
1,5
CALIBRATED 8 MHz RC OSCILLATOR FREQUENCY vs. V
2
2
WATCHDOG OSCILLATOR FREQUENCY vs. V
2,5
2,5
3
3
V
V
CC
CC
3,5
3,5
(V)
(V)
ATmega164P/324P/644P
4
CC
4
CC
4,5
4,5
CC
5
5
CC
5,5
5,5
-40 ˚C
-40 ˚C
85 ˚C
25 ˚C
25 ˚C
85 ˚C
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