ATMEGA644PV ATMEL [ATMEL Corporation], ATMEGA644PV Datasheet - Page 380

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

380
ATmega164P/324P/644P
Figure 27-84. Calibrated 8 MHz RC Oscillator vs. Temperature
Figure 27-85. Calibrated 8 MHz RC Oscillator vs. OSCCAL Value
8,2
8,1
7,9
7,8
CALIBRATED 8 MHz RC OSCILLATOR FREQUENCY vs. TEMPERATURE
CALIBRATED 8 MHz RC OSCILLATOR FREQUENCY vs. OSCCAL VALUE
16
14
12
10
8
8
6
4
2
0
-60
0
16
-40
32
48
-20
64
80
96
0
112
OSCCAL (X1)
Temperature
128
20
144
160
40
176
192
60
208
224
80
5.0 V
3.0 V
240
100
256
-40 ˚C
85 ˚C
25 ˚C
8011D–AVR–02/07